diff --git a/2014/12/23/my-new-post/index.html b/2014/12/23/my-new-post/index.html
index 1d38cca8e7..ef58130542 100644
--- a/2014/12/23/my-new-post/index.html
+++ b/2014/12/23/my-new-post/index.html
@@ -428,7 +428,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
           <span class="site-state-item-name">posts</span>
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@@ -441,7 +441,7 @@
       <div class="site-state-item site-state-tags">
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-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
         <span class="site-state-item-name">tags</span></a>
       </div>
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@@ -466,7 +466,7 @@
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href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">7</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li 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href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" 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class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span 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class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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diff --git a/2014/12/30/Clone-Graph-Part-I/index.html b/2014/12/30/Clone-Graph-Part-I/index.html
index a05ba587d1..62b3b6002d 100644
--- a/2014/12/30/Clone-Graph-Part-I/index.html
+++ b/2014/12/30/Clone-Graph-Part-I/index.html
@@ -454,7 +454,7 @@
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@@ -467,7 +467,7 @@
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class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span 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class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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diff --git a/2015/01/14/Two-Sum/index.html b/2015/01/14/Two-Sum/index.html
index d59c9836d6..d7ab7c7afc 100644
--- a/2015/01/14/Two-Sum/index.html
+++ b/2015/01/14/Two-Sum/index.html
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-      <div class="popular-posts-title"><a href="/2015/01/04/Path-Sum/" rel="bookmark">Path Sum</a></div>
+      <div class="popular-posts-title"><a href="/2015/03/11/Number-Of-1-Bits/" rel="bookmark">Number of 1 Bits</a></div>
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@@ -457,7 +457,7 @@
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+          <span class="site-state-item-count">61</span>
           <span class="site-state-item-name">posts</span>
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@@ -470,7 +470,7 @@
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+        <span class="site-state-item-count">96</span>
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       </div>
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class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span 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class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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index 898ca157b4..538973034c 100644
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class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span 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class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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diff --git a/2015/03/13/Reverse-Integer/index.html b/2015/03/13/Reverse-Integer/index.html
index 09b040f0fc..75a96a8b82 100644
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@@ -303,7 +303,7 @@
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-      <div class="popular-posts-title"><a href="/2016/09/29/binary-watch/" rel="bookmark">binary-watch</a></div>
+      <div class="popular-posts-title"><a href="/2015/01/14/Two-Sum/" rel="bookmark">two sum</a></div>
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@@ -315,7 +315,7 @@
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+      <div class="popular-posts-title"><a href="/2015/03/11/Number-Of-1-Bits/" rel="bookmark">Number of 1 Bits</a></div>
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href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">7</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" 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class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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diff --git a/2016/08/14/34-Search-for-a-Range/index.html b/2016/08/14/34-Search-for-a-Range/index.html
index ddb2328d71..9e569d045c 100644
--- a/2016/08/14/34-Search-for-a-Range/index.html
+++ b/2016/08/14/34-Search-for-a-Range/index.html
@@ -301,7 +301,7 @@
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-      <div class="popular-posts-title"><a href="/2016/09/29/binary-watch/" rel="bookmark">binary-watch</a></div>
+      <div class="popular-posts-title"><a href="/2015/01/14/Two-Sum/" rel="bookmark">two sum</a></div>
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@@ -310,10 +310,10 @@
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-      <div class="popular-posts-title"><a href="/2015/01/04/Path-Sum/" rel="bookmark">Path Sum</a></div>
+      <div class="popular-posts-title"><a href="/2015/03/11/Number-Of-1-Bits/" rel="bookmark">Number of 1 Bits</a></div>
     </li>
     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2015/03/11/Number-Of-1-Bits/" rel="bookmark">Number of 1 Bits</a></div>
+      <div class="popular-posts-title"><a href="/2015/01/04/Path-Sum/" rel="bookmark">Path Sum</a></div>
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@@ -455,7 +455,7 @@
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-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
           <span class="site-state-item-name">posts</span>
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@@ -468,7 +468,7 @@
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-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span 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class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a 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href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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diff --git a/2020/02/22/gogs使用webhook部署react单页应用/index.html b/2020/02/22/gogs使用webhook部署react单页应用/index.html
index 817bae6fa1..f225106e6b 100644
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     <li class="popular-posts-item">
-      <div class="popular-posts-title"><a href="/2020/02/01/2019年终总结/" rel="bookmark">2019年终总结</a></div>
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@@ -465,7 +465,7 @@
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href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span 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class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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+      <div class="popular-posts-title"><a href="/2020/05/10/聊聊-mysql-的-MVCC-续续篇之加锁分析/" rel="bookmark">聊聊 mysql 的 MVCC 续续篇之锁分析</a></div>
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index 4c87a44b93..c158a6eeb6 100644
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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span 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class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span 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class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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index e6e9b21178..f66d492386 100644
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+      <div class="popular-posts-title"><a href="/2020/07/26/我是如何走上跑步这条不归路的/" rel="bookmark">我是如何走上跑步这条不归路的</a></div>
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class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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-      <div class="popular-posts-title"><a href="/2020/02/01/2019年终总结/" rel="bookmark">2019年终总结</a></div>
+      <div class="popular-posts-title"><a href="/2020/07/11/2020年中总结/" rel="bookmark">2020年中总结</a></div>
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       <div class="popular-posts-title"><a href="/2020/03/01/寄生虫观后感/" rel="bookmark">寄生虫观后感</a></div>
@@ -369,7 +369,10 @@
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+      聊聊 Java 自带的那些"逆天"工具 <i class="fa fa-chevron-right"></i>
+    </a></div>
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@@ -450,7 +453,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
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@@ -463,7 +466,7 @@
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-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
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+          聊聊 Java 自带的那些"逆天"工具
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+        <p>原谅我的标题党，其实这些工具的确很厉害，之前其实介绍过一点相关的，是从我一次问题排查的过程中用到的，但是最近又有碰到一次排查问题，发现其实用 idea 直接 <code>dump thread</code> 是不现实的，毕竟服务器环境的没法这么操作，那就得用 Java 的那些工具了</p>
+<h3 id="jstack-amp-jps"><a href="#jstack-amp-jps" class="headerlink" title="jstack &amp; jps"></a>jstack &amp; jps</h3><p>譬如 <code>jstack</code>，这个命令其实不能更简单了<br>看看 help 信息<br><img data-src="https://gitee.com/nicksxs/images/raw/master/uPic/1eYvcu.png" alt=""><br>用<code>-l</code>参数可以打出锁的额外信息，然后后面的 pid 就是进程 id 咯，机智的小伙伴会问了（就你这个小白才问这么蠢的问题🤦‍♂️），怎么看 Java 应用的进程呢<br>那就是 <code>jps</code> 了，命令也很简单，一般直接用 <code>jps</code>命令就好了，不过也可以 help 看一下<br><img data-src="https://gitee.com/nicksxs/images/raw/master/uPic/DqWZe1.png" alt=""><br>稍微解释下，-q是只显示进程 id，-m是输出给main 方法的参数，比如我在配置中加给参数<br><img data-src="https://gitee.com/nicksxs/images/raw/master/uPic/4A0pqD.png" alt=""><br>然后用 <code>jps -m</code>查看<br><img data-src="https://gitee.com/nicksxs/images/raw/master/uPic/LlGPfU.png" alt=""><br><code>-v</code>加上小 v 的话就是打印 jvm 参数<br><img data-src="https://gitee.com/nicksxs/images/raw/master/uPic/3UTgsd.png" alt=""><br>还是有点东西，然后就继续介绍 jstack 了，然后我们看看 jstack 出来是啥，为了加点内容我加了个死锁</p>
+<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title">main</span><span class="params">(String[] args)</span> <span class="keyword">throws</span> InterruptedException </span>&#123;</span><br><span class="line">        SpringApplication.run(ThreadDumpDemoApplication<span class="class">.<span class="keyword">class</span>, <span class="title">args</span>)</span>;</span><br><span class="line">        ReentrantLock lock1 = <span class="keyword">new</span> ReentrantLock();</span><br><span class="line">        ReentrantLock lock2 = <span class="keyword">new</span> ReentrantLock();</span><br><span class="line">        Thread t1 = <span class="keyword">new</span> Thread() &#123;</span><br><span class="line">            <span class="meta">@Override</span></span><br><span class="line">            <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">run</span><span class="params">()</span> </span>&#123;</span><br><span class="line">                <span class="keyword">try</span> &#123;</span><br><span class="line">                    lock1.lock();</span><br><span class="line">                    TimeUnit.SECONDS.sleep(<span class="number">1</span>);</span><br><span class="line">                    lock2.lock();</span><br><span class="line">                &#125; <span class="keyword">catch</span> (InterruptedException e) &#123;</span><br><span class="line">                    e.printStackTrace();</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;;</span><br><span class="line">        Thread t2 = <span class="keyword">new</span> Thread() &#123;</span><br><span class="line">            <span class="meta">@Override</span></span><br><span class="line">            <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">run</span><span class="params">()</span> </span>&#123;</span><br><span class="line">                <span class="keyword">try</span> &#123;</span><br><span class="line">                    lock2.lock();</span><br><span class="line">                    TimeUnit.SECONDS.sleep(<span class="number">1</span>);</span><br><span class="line">                    lock1.lock();</span><br><span class="line">                &#125; <span class="keyword">catch</span> (InterruptedException e) &#123;</span><br><span class="line">                    e.printStackTrace();</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;;</span><br><span class="line">        t1.setName(<span class="string">"mythread1"</span>);</span><br><span class="line">        t2.setName(<span class="string">"mythread2"</span>);</span><br><span class="line">        t1.start();</span><br><span class="line">        t2.start();</span><br><span class="line">        Thread.sleep(<span class="number">10000</span>);</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
+<p>然后看看出来时怎么样的</p>
+<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span 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class="line">302</span><br><span class="line">303</span><br><span class="line">304</span><br><span class="line">305</span><br><span class="line">306</span><br><span class="line">307</span><br><span class="line">308</span><br><span class="line">309</span><br><span class="line">310</span><br><span class="line">311</span><br><span class="line">312</span><br><span class="line">313</span><br><span class="line">314</span><br><span class="line">315</span><br><span class="line">316</span><br><span class="line">317</span><br><span class="line">318</span><br><span class="line">319</span><br><span class="line">320</span><br><span class="line">321</span><br><span class="line">322</span><br><span class="line">323</span><br><span class="line">324</span><br><span class="line">325</span><br><span class="line">326</span><br><span class="line">327</span><br><span class="line">328</span><br><span class="line">329</span><br><span class="line">330</span><br><span class="line">331</span><br><span class="line">332</span><br><span class="line">333</span><br><span class="line">334</span><br><span class="line">335</span><br><span class="line">336</span><br><span class="line">337</span><br><span class="line">338</span><br><span class="line">339</span><br><span class="line">340</span><br><span class="line">341</span><br><span class="line">342</span><br><span class="line">343</span><br><span class="line">344</span><br><span class="line">345</span><br><span class="line">346</span><br><span class="line">347</span><br><span class="line">348</span><br><span class="line">349</span><br><span class="line">350</span><br><span class="line">351</span><br><span class="line">352</span><br><span class="line">353</span><br><span class="line">354</span><br><span class="line">355</span><br><span class="line">356</span><br><span class="line">357</span><br><span class="line">358</span><br><span class="line">359</span><br><span class="line">360</span><br><span class="line">361</span><br><span class="line">362</span><br><span class="line">363</span><br><span class="line">364</span><br><span class="line">365</span><br><span class="line">366</span><br><span class="line">367</span><br><span class="line">368</span><br><span class="line">369</span><br><span class="line">370</span><br><span class="line">371</span><br><span class="line">372</span><br><span class="line">373</span><br><span class="line">374</span><br><span class="line">375</span><br><span class="line">376</span><br><span class="line">377</span><br><span class="line">378</span><br><span class="line">379</span><br><span class="line">380</span><br><span class="line">381</span><br><span class="line">382</span><br><span class="line">383</span><br><span class="line">384</span><br><span class="line">385</span><br><span class="line">386</span><br><span class="line">387</span><br><span class="line">388</span><br><span class="line">389</span><br><span class="line">390</span><br><span class="line">391</span><br><span class="line">392</span><br><span class="line">393</span><br><span class="line">394</span><br><span class="line">395</span><br><span class="line">396</span><br><span class="line">397</span><br><span class="line">398</span><br><span class="line">399</span><br><span class="line">400</span><br><span class="line">401</span><br><span class="line">402</span><br><span class="line">403</span><br><span class="line">404</span><br><span class="line">405</span><br><span class="line">406</span><br><span class="line">407</span><br><span class="line">408</span><br><span class="line">409</span><br><span class="line">410</span><br><span class="line">411</span><br><span class="line">412</span><br><span class="line">413</span><br><span class="line">414</span><br><span class="line">415</span><br><span class="line">416</span><br><span class="line">417</span><br><span class="line">418</span><br><span class="line">419</span><br><span class="line">420</span><br><span class="line">421</span><br><span class="line">422</span><br><span class="line">423</span><br><span class="line">424</span><br><span class="line">425</span><br><span class="line">426</span><br><span class="line">427</span><br><span class="line">428</span><br><span class="line">429</span><br><span class="line">430</span><br><span class="line">431</span><br><span class="line">432</span><br><span class="line">433</span><br><span class="line">434</span><br><span class="line">435</span><br><span class="line">436</span><br><span class="line">437</span><br><span class="line">438</span><br><span class="line">439</span><br><span class="line">440</span><br><span class="line">441</span><br><span class="line">442</span><br><span class="line">443</span><br><span class="line">444</span><br><span class="line">445</span><br><span class="line">446</span><br><span class="line">447</span><br><span class="line">448</span><br><span class="line">449</span><br><span class="line">450</span><br><span class="line">451</span><br><span class="line">452</span><br><span class="line">453</span><br><span class="line">454</span><br><span class="line">455</span><br><span class="line">456</span><br><span class="line">457</span><br><span class="line">458</span><br><span class="line">459</span><br><span class="line">460</span><br><span class="line">461</span><br><span class="line">462</span><br><span class="line">463</span><br><span class="line">464</span><br><span class="line">465</span><br></pre></td><td class="code"><pre><span class="line"><span class="number">2020</span>-<span class="number">08</span>-<span class="number">02</span> <span class="number">21</span>:<span class="number">50</span>:<span class="number">32</span></span><br><span class="line"><span class="function">Full thread dump Java <span class="title">HotSpot</span><span class="params">(TM)</span> 64-Bit Server <span class="title">VM</span> <span class="params">(<span class="number">25.201</span>-b09 mixed mode)</span>:</span></span><br><span class="line"><span class="function"></span></span><br><span class="line"><span class="function">"DestroyJavaVM" #147 prio</span>=<span class="number">5</span> os_prio=<span class="number">31</span> tid=<span class="number">0x00007fc9dd807000</span> nid=<span class="number">0x2603</span> waiting on condition [<span class="number">0x0000000000000000</span>]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"mythread2" #140 prio=5 os_prio=31 tid=0x00007fc9dd877000 nid=0x9903 waiting on condition [0x0000700006fb9000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f5d4330</span>&gt; (a java.util.concurrent.locks.ReentrantLock$NonfairSync)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:<span class="number">836</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:<span class="number">870</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:<span class="number">1199</span>)</span><br><span class="line">        at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:<span class="number">209</span>)</span><br><span class="line">        at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:<span class="number">285</span>)</span><br><span class="line">        at com.nicksxs.thread_dump_demo.ThreadDumpDemoApplication$<span class="number">2</span>.run(ThreadDumpDemoApplication.java:<span class="number">34</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - &lt;<span class="number">0x000000076f5d4360</span>&gt; (a java.util.concurrent.locks.ReentrantLock$NonfairSync)</span><br><span class="line"></span><br><span class="line">"mythread1" #139 prio=5 os_prio=31 tid=0x00007fc9de873800 nid=0x9a03 waiting on condition [0x0000700006eb6000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f5d4360</span>&gt; (a java.util.concurrent.locks.ReentrantLock$NonfairSync)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:<span class="number">836</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:<span class="number">870</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:<span class="number">1199</span>)</span><br><span class="line">        at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:<span class="number">209</span>)</span><br><span class="line">        at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:<span class="number">285</span>)</span><br><span class="line">        at com.nicksxs.thread_dump_demo.ThreadDumpDemoApplication$<span class="number">1</span>.run(ThreadDumpDemoApplication.java:<span class="number">22</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - &lt;<span class="number">0x000000076f5d4330</span>&gt; (a java.util.concurrent.locks.ReentrantLock$NonfairSync)</span><br><span class="line"></span><br><span class="line">"http-nio-8080-Acceptor" #137 daemon prio=5 os_prio=31 tid=0x00007fc9de1ac000 nid=0x9b03 runnable [0x0000700006db3000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line">        at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)</span><br><span class="line">        at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:<span class="number">422</span>)</span><br><span class="line">        at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:<span class="number">250</span>)</span><br><span class="line">        - locked &lt;<span class="number">0x000000076f1e4820</span>&gt; (a java.lang.Object)</span><br><span class="line">        at org.apache.tomcat.util.net.NioEndpoint.serverSocketAccept(NioEndpoint.java:<span class="number">469</span>)</span><br><span class="line">        at org.apache.tomcat.util.net.NioEndpoint.serverSocketAccept(NioEndpoint.java:<span class="number">71</span>)</span><br><span class="line">        at org.apache.tomcat.util.net.Acceptor.run(Acceptor.java:<span class="number">95</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-ClientPoller" #136 daemon prio=5 os_prio=31 tid=0x00007fc9dd876800 nid=0x6503 runnable [0x0000700006cb0000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line">        at sun.nio.ch.KQueueArrayWrapper.kevent0(Native Method)</span><br><span class="line">        at sun.nio.ch.KQueueArrayWrapper.poll(KQueueArrayWrapper.java:<span class="number">198</span>)</span><br><span class="line">        at sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:<span class="number">117</span>)</span><br><span class="line">        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:<span class="number">86</span>)</span><br><span class="line">        - locked &lt;<span class="number">0x000000076f2978c8</span>&gt; (a sun.nio.ch.Util$<span class="number">3</span>)</span><br><span class="line">        - locked &lt;<span class="number">0x000000076f2978b8</span>&gt; (a java.util.Collections$UnmodifiableSet)</span><br><span class="line">        - locked &lt;<span class="number">0x000000076f297798</span>&gt; (a sun.nio.ch.KQueueSelectorImpl)</span><br><span class="line">        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:<span class="number">97</span>)</span><br><span class="line">        at org.apache.tomcat.util.net.NioEndpoint$Poller.run(NioEndpoint.java:<span class="number">709</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-exec-10" #135 daemon prio=5 os_prio=31 tid=0x00007fc9de1af000 nid=0x9d03 waiting on condition [0x0000700006bad000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f26aa00</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:<span class="number">442</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">107</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">33</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-exec-9" #134 daemon prio=5 os_prio=31 tid=0x00007fc9de1ab800 nid=0x6403 waiting on condition [0x0000700006aaa000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f26aa00</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:<span class="number">442</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">107</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">33</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-exec-8" #133 daemon prio=5 os_prio=31 tid=0x00007fc9de873000 nid=0x9f03 waiting on condition [0x00007000069a7000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f26aa00</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:<span class="number">442</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">107</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">33</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-exec-7" #132 daemon prio=5 os_prio=31 tid=0x00007fc9df0a1800 nid=0xa103 waiting on condition [0x00007000068a4000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f26aa00</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:<span class="number">442</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">107</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">33</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-exec-6" #131 daemon prio=5 os_prio=31 tid=0x00007fc9df242800 nid=0x6103 waiting on condition [0x00007000067a1000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f26aa00</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:<span class="number">442</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">107</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">33</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-exec-5" #130 daemon prio=5 os_prio=31 tid=0x00007fc9de872000 nid=0x5f03 waiting on condition [0x000070000669e000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f26aa00</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:<span class="number">442</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">107</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">33</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-exec-4" #129 daemon prio=5 os_prio=31 tid=0x00007fc9de1a6000 nid=0x5e03 waiting on condition [0x000070000659b000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f26aa00</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:<span class="number">442</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">107</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">33</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-exec-3" #128 daemon prio=5 os_prio=31 tid=0x00007fc9de871800 nid=0x5c03 waiting on condition [0x0000700006498000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f26aa00</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:<span class="number">442</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">107</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">33</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-exec-2" #127 daemon prio=5 os_prio=31 tid=0x00007fc9dead9000 nid=0x5b03 waiting on condition [0x0000700006395000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f26aa00</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:<span class="number">442</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">107</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">33</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-exec-1" #126 daemon prio=5 os_prio=31 tid=0x00007fc9ddb00000 nid=0x5a03 waiting on condition [0x0000700006292000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f26aa00</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:<span class="number">442</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">107</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">33</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-BlockPoller" #125 daemon prio=5 os_prio=31 tid=0x00007fc9df242000 nid=0xa503 runnable [0x000070000618f000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line">        at sun.nio.ch.KQueueArrayWrapper.kevent0(Native Method)</span><br><span class="line">        at sun.nio.ch.KQueueArrayWrapper.poll(KQueueArrayWrapper.java:<span class="number">198</span>)</span><br><span class="line">        at sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:<span class="number">117</span>)</span><br><span class="line">        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:<span class="number">86</span>)</span><br><span class="line">        - locked &lt;<span class="number">0x000000076f1eea30</span>&gt; (a sun.nio.ch.Util$<span class="number">3</span>)</span><br><span class="line">        - locked &lt;<span class="number">0x000000076f1ee198</span>&gt; (a java.util.Collections$UnmodifiableSet)</span><br><span class="line">        - locked &lt;<span class="number">0x000000076f1ee010</span>&gt; (a sun.nio.ch.KQueueSelectorImpl)</span><br><span class="line">        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:<span class="number">97</span>)</span><br><span class="line">        at org.apache.tomcat.util.net.NioBlockingSelector$BlockPoller.run(NioBlockingSelector.java:<span class="number">313</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"container-0" #124 prio=5 os_prio=31 tid=0x00007fc9df06a000 nid=0x5803 waiting on condition [0x000070000608c000]</span><br><span class="line">   java.lang.Thread.State: TIMED_WAITING (sleeping)</span><br><span class="line">        at java.lang.Thread.sleep(Native Method)</span><br><span class="line">        at org.apache.catalina.core.StandardServer.await(StandardServer.java:<span class="number">570</span>)</span><br><span class="line">        at org.springframework.boot.web.embedded.tomcat.TomcatWebServer$<span class="number">1</span>.run(TomcatWebServer.java:<span class="number">197</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"Catalina-utility-2" #123 prio=1 os_prio=31 tid=0x00007fc9de886000 nid=0xa80f waiting on condition [0x0000700005f89000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076c88ab58</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:<span class="number">1088</span>)</span><br><span class="line">        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:<span class="number">809</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"Catalina-utility-1" #122 prio=1 os_prio=31 tid=0x00007fc9de884000 nid=0x5667 waiting on condition [0x0000700005e86000]</span><br><span class="line">   java.lang.Thread.State: TIMED_WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076c88ab58</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:<span class="number">215</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:<span class="number">2078</span>)</span><br><span class="line">        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:<span class="number">1093</span>)</span><br><span class="line">        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:<span class="number">809</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"RMI Scheduler(0)" #15 daemon prio=5 os_prio=31 tid=0x00007fc9de9ee000 nid=0x5503 waiting on condition [0x0000700005d83000]</span><br><span class="line">   java.lang.Thread.State: TIMED_WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x00000006c0015410</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:<span class="number">215</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:<span class="number">2078</span>)</span><br><span class="line">        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:<span class="number">1093</span>)</span><br><span class="line">        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:<span class="number">809</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"Attach Listener" #13 daemon prio=9 os_prio=31 tid=0x00007fc9df149800 nid=0x3c07 waiting on condition [0x0000000000000000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"RMI TCP Accept-0" #11 daemon prio=5 os_prio=31 tid=0x00007fc9df100000 nid=0x4003 runnable [0x0000700005977000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line">        at java.net.PlainSocketImpl.socketAccept(Native Method)</span><br><span class="line">        at java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:<span class="number">409</span>)</span><br><span class="line">        at java.net.ServerSocket.implAccept(ServerSocket.java:<span class="number">545</span>)</span><br><span class="line">        at java.net.ServerSocket.accept(ServerSocket.java:<span class="number">513</span>)</span><br><span class="line">        at sun.management.jmxremote.LocalRMIServerSocketFactory$<span class="number">1</span>.accept(LocalRMIServerSocketFactory.java:<span class="number">52</span>)</span><br><span class="line">        at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:<span class="number">405</span>)</span><br><span class="line">        at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:<span class="number">377</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"Service Thread" #9 daemon prio=9 os_prio=31 tid=0x00007fc9df0ce800 nid=0x4103 runnable [0x0000000000000000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"C1 CompilerThread2" #8 daemon prio=9 os_prio=31 tid=0x00007fc9df0ce000 nid=0x4203 waiting on condition [0x0000000000000000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"C2 CompilerThread1" #7 daemon prio=9 os_prio=31 tid=0x00007fc9de0a3800 nid=0x3503 waiting on condition [0x0000000000000000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"C2 CompilerThread0" #6 daemon prio=9 os_prio=31 tid=0x00007fc9de89b000 nid=0x3403 waiting on condition [0x0000000000000000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"Monitor Ctrl-Break" #5 daemon prio=5 os_prio=31 tid=0x00007fc9df0ca000 nid=0x3303 runnable [0x0000700005468000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line">        at java.net.SocketInputStream.socketRead0(Native Method)</span><br><span class="line">        at java.net.SocketInputStream.socketRead(SocketInputStream.java:<span class="number">116</span>)</span><br><span class="line">        at java.net.SocketInputStream.read(SocketInputStream.java:<span class="number">171</span>)</span><br><span class="line">        at java.net.SocketInputStream.read(SocketInputStream.java:<span class="number">141</span>)</span><br><span class="line">        at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:<span class="number">284</span>)</span><br><span class="line">        at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:<span class="number">326</span>)</span><br><span class="line">        at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:<span class="number">178</span>)</span><br><span class="line">        - locked &lt;<span class="number">0x00000006c001b760</span>&gt; (a java.io.InputStreamReader)</span><br><span class="line">        at java.io.InputStreamReader.read(InputStreamReader.java:<span class="number">184</span>)</span><br><span class="line">        at java.io.BufferedReader.fill(BufferedReader.java:<span class="number">161</span>)</span><br><span class="line">        at java.io.BufferedReader.readLine(BufferedReader.java:<span class="number">324</span>)</span><br><span class="line">        - locked &lt;<span class="number">0x00000006c001b760</span>&gt; (a java.io.InputStreamReader)</span><br><span class="line">        at java.io.BufferedReader.readLine(BufferedReader.java:<span class="number">389</span>)</span><br><span class="line">        at com.intellij.rt.execution.application.AppMainV2$<span class="number">1</span>.run(AppMainV2.java:<span class="number">64</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"Signal Dispatcher" #4 daemon prio=9 os_prio=31 tid=0x00007fc9de824000 nid=0x4503 runnable [0x0000000000000000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"Finalizer" #3 daemon prio=8 os_prio=31 tid=0x00007fc9dd811800 nid=0x4f03 in Object.wait() [0x0000700005262000]</span><br><span class="line">   java.lang.Thread.State: WAITING (on object monitor)</span><br><span class="line">        at java.lang.Object.wait(Native Method)</span><br><span class="line">        - waiting on &lt;<span class="number">0x00000006c0008348</span>&gt; (a java.lang.ref.ReferenceQueue$Lock)</span><br><span class="line">        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:<span class="number">144</span>)</span><br><span class="line">        - locked &lt;<span class="number">0x00000006c0008348</span>&gt; (a java.lang.ref.ReferenceQueue$Lock)</span><br><span class="line">        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:<span class="number">165</span>)</span><br><span class="line">        at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:<span class="number">216</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"Reference Handler" #2 daemon prio=10 os_prio=31 tid=0x00007fc9de02a000 nid=0x5003 in Object.wait() [0x000070000515f000]</span><br><span class="line">   java.lang.Thread.State: WAITING (on object monitor)</span><br><span class="line">        at java.lang.Object.wait(Native Method)</span><br><span class="line">        - waiting on &lt;<span class="number">0x00000006c001b940</span>&gt; (a java.lang.ref.Reference$Lock)</span><br><span class="line">        at java.lang.Object.wait(Object.java:<span class="number">502</span>)</span><br><span class="line">        at java.lang.ref.Reference.tryHandlePending(Reference.java:<span class="number">191</span>)</span><br><span class="line">        - locked &lt;<span class="number">0x00000006c001b940</span>&gt; (a java.lang.ref.Reference$Lock)</span><br><span class="line">        at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:<span class="number">153</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line"><span class="string">"VM Thread"</span> os_prio=<span class="number">31</span> tid=<span class="number">0x00007fc9df00b800</span> nid=<span class="number">0x2c03</span> runnable </span><br><span class="line"></span><br><span class="line"><span class="string">"GC task thread#0 (ParallelGC)"</span> os_prio=<span class="number">31</span> tid=<span class="number">0x00007fc9de805000</span> nid=<span class="number">0x1e07</span> runnable </span><br><span class="line"></span><br><span class="line"><span class="string">"GC task thread#1 (ParallelGC)"</span> os_prio=<span class="number">31</span> tid=<span class="number">0x00007fc9de003800</span> nid=<span class="number">0x2a03</span> runnable </span><br><span class="line"></span><br><span class="line"><span class="string">"GC task thread#2 (ParallelGC)"</span> os_prio=<span class="number">31</span> tid=<span class="number">0x00007fc9df002000</span> nid=<span class="number">0x5403</span> runnable </span><br><span class="line"></span><br><span class="line"><span class="string">"GC task thread#3 (ParallelGC)"</span> os_prio=<span class="number">31</span> tid=<span class="number">0x00007fc9df002800</span> nid=<span class="number">0x5203</span> runnable </span><br><span class="line"></span><br><span class="line"><span class="string">"VM Periodic Task Thread"</span> os_prio=<span class="number">31</span> tid=<span class="number">0x00007fc9df11a800</span> nid=<span class="number">0x3a03</span> waiting on condition </span><br><span class="line"></span><br><span class="line">JNI global references: <span class="number">1087</span></span><br><span class="line"></span><br><span class="line"></span><br><span class="line">Found one Java-level deadlock:</span><br><span class="line">=============================</span><br><span class="line"><span class="string">"mythread2"</span>:</span><br><span class="line">  waiting <span class="keyword">for</span> ownable synchronizer <span class="number">0x000000076f5d4330</span>, (a java.util.concurrent.locks.ReentrantLock$NonfairSync),</span><br><span class="line">  which is held by <span class="string">"mythread1"</span></span><br><span class="line"><span class="string">"mythread1"</span>:</span><br><span class="line">  waiting <span class="keyword">for</span> ownable synchronizer <span class="number">0x000000076f5d4360</span>, (a java.util.concurrent.locks.ReentrantLock$NonfairSync),</span><br><span class="line">  which is held by <span class="string">"mythread2"</span></span><br><span class="line"></span><br><span class="line">Java stack information <span class="keyword">for</span> the threads listed above:</span><br><span class="line">===================================================</span><br><span class="line"><span class="string">"mythread2"</span>:</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f5d4330</span>&gt; (a java.util.concurrent.locks.ReentrantLock$NonfairSync)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:<span class="number">836</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:<span class="number">870</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:<span class="number">1199</span>)</span><br><span class="line">        at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:<span class="number">209</span>)</span><br><span class="line">        at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:<span class="number">285</span>)</span><br><span class="line">        at com.nicksxs.thread_dump_demo.ThreadDumpDemoApplication$<span class="number">2</span>.run(ThreadDumpDemoApplication.java:<span class="number">34</span>)</span><br><span class="line"><span class="string">"mythread1"</span>:</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f5d4360</span>&gt; (a java.util.concurrent.locks.ReentrantLock$NonfairSync)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:<span class="number">836</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:<span class="number">870</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:<span class="number">1199</span>)</span><br><span class="line">        at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:<span class="number">209</span>)</span><br><span class="line">        at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:<span class="number">285</span>)</span><br><span class="line">        at com.nicksxs.thread_dump_demo.ThreadDumpDemoApplication$<span class="number">1</span>.run(ThreadDumpDemoApplication.java:<span class="number">22</span>)</span><br><span class="line"></span><br><span class="line">Found <span class="number">1</span> deadlock.</span><br></pre></td></tr></table></figure>
+<p>前面的信息其实上次就看过了，后面就可以发现有个死锁了，<br><img data-src="https://gitee.com/nicksxs/images/raw/master/uPic/a1I2vj.png" alt=""><br>上面比较长，把主要的截出来，就是这边的，这点就很强大了。</p>
+<h3 id="jmap"><a href="#jmap" class="headerlink" title="jmap"></a>jmap</h3><p>惯例还是看一下帮助信息<br><img data-src="https://gitee.com/nicksxs/images/raw/master/uPic/dBiPqS.png" alt=""><br>这个相对命令比较多，不过因为现在 dump 下来我们可能会用文件模式，然后将文件下载下来使用 mat 进行分析，所以可以使用<br><code>jmap -dump:live,format=b,file=heap.bin &lt;pid&gt;</code><br>命令照着上面看的就是打印活着的对象，然后以二进制格式，文件名叫 heap.bin 然后最后就是进程 id，打印出来以后可以用 mat 打开<br><img data-src="https://gitee.com/nicksxs/images/raw/master/uPic/NRWowU.png" alt=""><br>这样就可以很清晰的看到应用里的各种信息，jmap 直接在命令中还可以看很多信息，比如使用<code>jmap -histo &lt;pid&gt;</code>打印对象的实例数和对象占用的内存<br><img data-src="https://gitee.com/nicksxs/images/raw/master/uPic/1GTBrY.png" alt=""><br><code>jmap -finalizerinfo &lt;pid&gt;</code> 打印正在等候回收的对象<br><img data-src="https://gitee.com/nicksxs/images/raw/master/uPic/Tb8uHP.png" alt=""></p>
+<h4 id="小tips"><a href="#小tips" class="headerlink" title="小tips"></a>小tips</h4><p>对于一些应用内存已经占满了，jstack 和 jmap 可能会连不上的情况，可以使用<code>-F</code>参数强制打印线程或者 dump 文件，但是要注意这两者使用的用户必须与 java 进程启动用户一致，并且使用的 jdk 也要一致</p>
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index 542684dc65..82326003c8 100644
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rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" 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diff --git a/archives/2014/12/index.html b/archives/2014/12/index.html
index 897d8eeab8..14cedbd588 100644
--- a/archives/2014/12/index.html
+++ b/archives/2014/12/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -350,7 +350,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
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@@ -363,7 +363,7 @@
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-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
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diff --git a/archives/2014/index.html b/archives/2014/index.html
index bf35874182..a3500515c4 100644
--- a/archives/2014/index.html
+++ b/archives/2014/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
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@@ -350,7 +350,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
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@@ -363,7 +363,7 @@
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-        <span class="site-state-item-count">93</span>
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href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li 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diff --git a/archives/2015/01/index.html b/archives/2015/01/index.html
index 8f51540575..8e551ab1d2 100644
--- a/archives/2015/01/index.html
+++ b/archives/2015/01/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -350,7 +350,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
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@@ -363,7 +363,7 @@
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-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
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diff --git a/archives/2015/03/index.html b/archives/2015/03/index.html
index 20e9fa01e4..23701327d5 100644
--- a/archives/2015/03/index.html
+++ b/archives/2015/03/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -350,7 +350,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
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         </a>
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@@ -363,7 +363,7 @@
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-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
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href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">7</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" 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diff --git a/archives/2015/04/index.html b/archives/2015/04/index.html
index 18de91513a..229fdb1738 100644
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+++ b/archives/2015/04/index.html
@@ -208,7 +208,7 @@
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-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
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@@ -330,7 +330,7 @@
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-          <span class="site-state-item-count">60</span>
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@@ -343,7 +343,7 @@
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diff --git a/archives/2015/06/index.html b/archives/2015/06/index.html
index ff9860fe9e..d7a636a0bf 100644
--- a/archives/2015/06/index.html
+++ b/archives/2015/06/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
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@@ -310,7 +310,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
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@@ -323,7 +323,7 @@
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-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">7</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li 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diff --git a/archives/2015/index.html b/archives/2015/index.html
index 756a550e67..2fc8a7c477 100644
--- a/archives/2015/index.html
+++ b/archives/2015/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
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@@ -470,7 +470,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
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@@ -483,7 +483,7 @@
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diff --git a/archives/2016/07/index.html b/archives/2016/07/index.html
index dce787b17e..7d98d75611 100644
--- a/archives/2016/07/index.html
+++ b/archives/2016/07/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
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@@ -310,7 +310,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
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         </a>
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@@ -323,7 +323,7 @@
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-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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diff --git a/archives/2016/08/index.html b/archives/2016/08/index.html
index 2cbb034e67..a86b0284d4 100644
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+++ b/archives/2016/08/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
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@@ -330,7 +330,7 @@
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-          <span class="site-state-item-count">60</span>
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@@ -343,7 +343,7 @@
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diff --git a/archives/2016/09/index.html b/archives/2016/09/index.html
index 0e8249dede..6968cdcaf9 100644
--- a/archives/2016/09/index.html
+++ b/archives/2016/09/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -310,7 +310,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
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         </a>
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@@ -323,7 +323,7 @@
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diff --git a/archives/2016/10/index.html b/archives/2016/10/index.html
index d688729fbf..5ace035e2a 100644
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+++ b/archives/2016/10/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
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@@ -330,7 +330,7 @@
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-          <span class="site-state-item-count">60</span>
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@@ -343,7 +343,7 @@
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diff --git a/archives/2016/11/index.html b/archives/2016/11/index.html
index 5333c6527b..a5cfba93a5 100644
--- a/archives/2016/11/index.html
+++ b/archives/2016/11/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -310,7 +310,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
           <span class="site-state-item-name">posts</span>
         </a>
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@@ -323,7 +323,7 @@
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diff --git a/archives/2016/index.html b/archives/2016/index.html
index 38298e6955..325761f7ad 100644
--- a/archives/2016/index.html
+++ b/archives/2016/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
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@@ -430,7 +430,7 @@
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-          <span class="site-state-item-count">60</span>
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@@ -443,7 +443,7 @@
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diff --git a/archives/2017/03/index.html b/archives/2017/03/index.html
index b597a65660..2c8ead1d64 100644
--- a/archives/2017/03/index.html
+++ b/archives/2017/03/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
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@@ -310,7 +310,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
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@@ -323,7 +323,7 @@
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diff --git a/archives/2017/04/index.html b/archives/2017/04/index.html
index ac84454187..e562f9fd4b 100644
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+++ b/archives/2017/04/index.html
@@ -208,7 +208,7 @@
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-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
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@@ -310,7 +310,7 @@
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-          <span class="site-state-item-count">60</span>
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@@ -323,7 +323,7 @@
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diff --git a/archives/2017/05/index.html b/archives/2017/05/index.html
index f0e4e60400..28ff7588b2 100644
--- a/archives/2017/05/index.html
+++ b/archives/2017/05/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -310,7 +310,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
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@@ -323,7 +323,7 @@
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diff --git a/archives/2017/index.html b/archives/2017/index.html
index 91b106606c..aa8271fb39 100644
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+++ b/archives/2017/index.html
@@ -208,7 +208,7 @@
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       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
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@@ -350,7 +350,7 @@
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-          <span class="site-state-item-count">60</span>
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@@ -363,7 +363,7 @@
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diff --git a/archives/2019/06/index.html b/archives/2019/06/index.html
index 6f30d3852d..6f7598eea5 100644
--- a/archives/2019/06/index.html
+++ b/archives/2019/06/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -310,7 +310,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
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         </a>
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@@ -323,7 +323,7 @@
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diff --git a/archives/2019/09/index.html b/archives/2019/09/index.html
index f18411a4d5..bd38a99fc1 100644
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+++ b/archives/2019/09/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
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@@ -310,7 +310,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
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@@ -323,7 +323,7 @@
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diff --git a/archives/2019/12/index.html b/archives/2019/12/index.html
index 532e873a40..743b45cc6f 100644
--- a/archives/2019/12/index.html
+++ b/archives/2019/12/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -390,7 +390,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
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@@ -403,7 +403,7 @@
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diff --git a/archives/2019/index.html b/archives/2019/index.html
index 2f55d81e4e..cfbbc8e34f 100644
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+++ b/archives/2019/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
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@@ -430,7 +430,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
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@@ -443,7 +443,7 @@
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diff --git a/archives/2020/01/index.html b/archives/2020/01/index.html
index 38a8a32bba..77d6f68fe9 100644
--- a/archives/2020/01/index.html
+++ b/archives/2020/01/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
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@@ -390,7 +390,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
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@@ -403,7 +403,7 @@
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diff --git a/archives/2020/02/index.html b/archives/2020/02/index.html
index a9fcf7980f..fea5797972 100644
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+++ b/archives/2020/02/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
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@@ -370,7 +370,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
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@@ -383,7 +383,7 @@
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diff --git a/archives/2020/03/index.html b/archives/2020/03/index.html
index c0859e1220..0aafa335b4 100644
--- a/archives/2020/03/index.html
+++ b/archives/2020/03/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
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@@ -390,7 +390,7 @@
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-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
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@@ -403,7 +403,7 @@
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diff --git a/archives/2020/04/index.html b/archives/2020/04/index.html
index 4f7e5778b0..81f4c923a0 100644
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+++ b/archives/2020/04/index.html
@@ -208,7 +208,7 @@
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-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
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@@ -370,7 +370,7 @@
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@@ -383,7 +383,7 @@
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diff --git a/archives/2020/05/index.html b/archives/2020/05/index.html
index 0c26d42505..841a0f7a82 100644
--- a/archives/2020/05/index.html
+++ b/archives/2020/05/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
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@@ -390,7 +390,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
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@@ -403,7 +403,7 @@
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diff --git a/archives/2020/06/index.html b/archives/2020/06/index.html
index 9d10bdb6d6..b475ba1000 100644
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+++ b/archives/2020/06/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
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@@ -370,7 +370,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
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@@ -383,7 +383,7 @@
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diff --git a/archives/2020/07/index.html b/archives/2020/07/index.html
index f97f990b58..254ab2eae9 100644
--- a/archives/2020/07/index.html
+++ b/archives/2020/07/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
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@@ -370,7 +370,7 @@
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-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
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@@ -383,7 +383,7 @@
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+    function showTime(Counter) {
+      var visitors = document.querySelectorAll('.leancloud_visitors');
+      var entries = [...visitors].map(element => {
+        return decodeURI(element.id);
+      });
+
+      Counter('get', '/classes/Counter?where=' + encodeURIComponent(JSON.stringify({ url: { '$in': entries } })))
+        .then(response => response.json())
+        .then(({ results }) => {
+          for (let url of entries) {
+            let target = results.find(item => item.url === url);
+            leancloudSelector(url).innerText = target ? target.time : 0;
+          }
+        })
+        .catch(error => {
+          console.error('LeanCloud Counter Error', error);
+        });
+    }
+
+    let { app_id, app_key, server_url } = {"enable":true,"app_id":"ysza182Vghlqjdt7QiwGLLJy-gzGzoHsz","app_key":"s9GDqbn7gnGGkusf66YRVccw","server_url":"https://leancloud.cn","security":true};
+    function fetchData(api_server) {
+      var Counter = (method, url, data) => {
+        return fetch(`${api_server}/1.1${url}`, {
+          method,
+          headers: {
+            'X-LC-Id'     : app_id,
+            'X-LC-Key'    : app_key,
+            'Content-Type': 'application/json',
+          },
+          body: JSON.stringify(data)
+        });
+      };
+      if (CONFIG.page.isPost) {
+        if (CONFIG.hostname !== location.hostname) return;
+        addCount(Counter);
+      } else if (document.querySelectorAll('.post-title-link').length >= 1) {
+        showTime(Counter);
+      }
+    }
+
+    let api_server = app_id.slice(-9) !== '-MdYXbMMI' ? server_url : `https://${app_id.slice(0, 8).toLowerCase()}.api.lncldglobal.com`;
+
+    if (api_server) {
+      fetchData(api_server);
+    } else {
+      fetch('https://app-router.leancloud.cn/2/route?appId=' + app_id)
+        .then(response => response.json())
+        .then(({ api_server }) => {
+          fetchData('https://' + api_server);
+        });
+    }
+  })();
+</script>
+
+
+      </div>
+    </footer>
+  </div>
+
+  
+  <script src="/lib/anime.min.js"></script>
+  <script src="//cdn.jsdelivr.net/npm/jquery@3/dist/jquery.min.js"></script>
+  <script src="//cdn.jsdelivr.net/gh/fancyapps/fancybox@3/dist/jquery.fancybox.min.js"></script>
+  <script src="//cdn.jsdelivr.net/npm/lozad@1/dist/lozad.min.js"></script>
+  <script src="/lib/velocity/velocity.min.js"></script>
+  <script src="/lib/velocity/velocity.ui.min.js"></script>
+
+<script src="/js/utils.js"></script>
+
+<script src="/js/motion.js"></script>
+
+
+<script src="/js/schemes/pisces.js"></script>
+
+
+<script src="/js/next-boot.js"></script>
+
+
+
+
+  
+  <script>
+    (function(){
+      var bp = document.createElement('script');
+      var curProtocol = window.location.protocol.split(':')[0];
+      bp.src = (curProtocol === 'https') ? 'https://zz.bdstatic.com/linksubmit/push.js' : 'http://push.zhanzhang.baidu.com/push.js';
+      var s = document.getElementsByTagName("script")[0];
+      s.parentNode.insertBefore(bp, s);
+    })();
+  </script>
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+  
+
+  
+
+<script>
+  function loadCount() {
+    var d = document, s = d.createElement('script');
+    s.src = 'https://nicksxs.disqus.com/count.js';
+    s.id = 'dsq-count-scr';
+    (d.head || d.body).appendChild(s);
+  }
+  // defer loading until the whole page loading is completed
+  window.addEventListener('load', loadCount, false);
+</script>
+
+</body>
+</html>
diff --git a/archives/2020/index.html b/archives/2020/index.html
index 28770d408f..ba95cff3d5 100644
--- a/archives/2020/index.html
+++ b/archives/2020/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -216,6 +216,26 @@
       <span class="collection-header">2020</span>
     </div>
 
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2020-08-02T21:13:59+08:00"
+              content="2020-08-02">
+          08-02
+        </time>
+      </div>
+
+      <div class="post-title">
+          <a class="post-title-link" href="/2020/08/02/%E8%81%8A%E8%81%8A-Java-%E8%87%AA%E5%B8%A6%E7%9A%84%E9%82%A3%E4%BA%9B%E9%80%86%E5%A4%A9%E5%B7%A5%E5%85%B7/" itemprop="url">
+            <span itemprop="name">聊聊 Java 自带的那些"逆天"工具</span>
+          </a>
+      </div>
+
+    </header>
+  </article>
+
   <article itemscope itemtype="http://schema.org/Article">
     <header class="post-header">
 
@@ -396,26 +416,6 @@
     </header>
   </article>
 
-  <article itemscope itemtype="http://schema.org/Article">
-    <header class="post-header">
-
-      <div class="post-meta">
-        <time itemprop="dateCreated"
-              datetime="2020-05-22T23:26:50+08:00"
-              content="2020-05-22">
-          05-22
-        </time>
-      </div>
-
-      <div class="post-title">
-          <a class="post-title-link" href="/2020/05/22/%E8%81%8A%E8%81%8A%E6%88%91%E5%88%9A%E5%AD%A6%E4%BC%9A%E7%9A%84%E5%BA%94%E7%94%A8%E8%AF%8A%E6%96%AD%E6%96%B9%E6%B3%95/" itemprop="url">
-            <span itemprop="name">聊聊我刚学会的应用诊断方法</span>
-          </a>
-      </div>
-
-    </header>
-  </article>
-
 
     </div>
   </div>
@@ -493,7 +493,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
           <span class="site-state-item-name">posts</span>
         </a>
       </div>
@@ -506,7 +506,7 @@
       <div class="site-state-item site-state-tags">
             <a href="/tags/">
           
-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
         <span class="site-state-item-name">tags</span></a>
       </div>
   </nav>
@@ -531,7 +531,7 @@
   <div class="widget-wrap">
     <div id="myCanvasContainer" class="widget tagcloud">
       <canvas width="250" height="250" id="resCanvas" style="width=100%">
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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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diff --git a/archives/2020/page/2/index.html b/archives/2020/page/2/index.html
index 09da8fcb74..a0accd59ae 100644
--- a/archives/2020/page/2/index.html
+++ b/archives/2020/page/2/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -216,6 +216,26 @@
       <span class="collection-header">2020</span>
     </div>
 
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2020-05-22T23:26:50+08:00"
+              content="2020-05-22">
+          05-22
+        </time>
+      </div>
+
+      <div class="post-title">
+          <a class="post-title-link" href="/2020/05/22/%E8%81%8A%E8%81%8A%E6%88%91%E5%88%9A%E5%AD%A6%E4%BC%9A%E7%9A%84%E5%BA%94%E7%94%A8%E8%AF%8A%E6%96%AD%E6%96%B9%E6%B3%95/" itemprop="url">
+            <span itemprop="name">聊聊我刚学会的应用诊断方法</span>
+          </a>
+      </div>
+
+    </header>
+  </article>
+
   <article itemscope itemtype="http://schema.org/Article">
     <header class="post-header">
 
@@ -396,26 +416,6 @@
     </header>
   </article>
 
-  <article itemscope itemtype="http://schema.org/Article">
-    <header class="post-header">
-
-      <div class="post-meta">
-        <time itemprop="dateCreated"
-              datetime="2020-03-15T22:33:55+08:00"
-              content="2020-03-15">
-          03-15
-        </time>
-      </div>
-
-      <div class="post-title">
-          <a class="post-title-link" href="/2020/03/15/docker%E6%AF%94%E4%B8%80%E8%88%AC%E5%A4%9A%E4%B8%80%E7%82%B9%E7%9A%84%E5%88%9D%E5%AD%A6%E8%80%85%E4%BB%8B%E7%BB%8D%E4%BA%8C/" itemprop="url">
-            <span itemprop="name">docker比一般多一点的初学者介绍二</span>
-          </a>
-      </div>
-
-    </header>
-  </article>
-
 
     </div>
   </div>
@@ -493,7 +493,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
           <span class="site-state-item-name">posts</span>
         </a>
       </div>
@@ -506,7 +506,7 @@
       <div class="site-state-item site-state-tags">
             <a href="/tags/">
           
-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
         <span class="site-state-item-name">tags</span></a>
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@@ -531,7 +531,7 @@
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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">7</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li 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diff --git a/archives/2020/page/3/index.html b/archives/2020/page/3/index.html
index d7961793d3..fa05f8e6e7 100644
--- a/archives/2020/page/3/index.html
+++ b/archives/2020/page/3/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -216,6 +216,26 @@
       <span class="collection-header">2020</span>
     </div>
 
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2020-03-15T22:33:55+08:00"
+              content="2020-03-15">
+          03-15
+        </time>
+      </div>
+
+      <div class="post-title">
+          <a class="post-title-link" href="/2020/03/15/docker%E6%AF%94%E4%B8%80%E8%88%AC%E5%A4%9A%E4%B8%80%E7%82%B9%E7%9A%84%E5%88%9D%E5%AD%A6%E8%80%85%E4%BB%8B%E7%BB%8D%E4%BA%8C/" itemprop="url">
+            <span itemprop="name">docker比一般多一点的初学者介绍二</span>
+          </a>
+      </div>
+
+    </header>
+  </article>
+
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@@ -396,26 +416,6 @@
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-  <article itemscope itemtype="http://schema.org/Article">
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-        <time itemprop="dateCreated"
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-              content="2020-01-10">
-          01-10
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-      </div>
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-            <span itemprop="name">redis数据结构介绍三-第三部分 整数集合</span>
-          </a>
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-
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-
 
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@@ -493,7 +493,7 @@
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+          <span class="site-state-item-count">61</span>
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         </a>
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@@ -506,7 +506,7 @@
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-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span 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diff --git a/archives/2020/page/4/index.html b/archives/2020/page/4/index.html
index 2f36ccae2d..9494160f93 100644
--- a/archives/2020/page/4/index.html
+++ b/archives/2020/page/4/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -216,6 +216,26 @@
       <span class="collection-header">2020</span>
     </div>
 
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2020-01-10T00:54:04+08:00"
+              content="2020-01-10">
+          01-10
+        </time>
+      </div>
+
+      <div class="post-title">
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+            <span itemprop="name">redis数据结构介绍三-第三部分 整数集合</span>
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+
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+
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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span 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diff --git a/archives/index.html b/archives/index.html
index 15e517032b..42088a022a 100644
--- a/archives/index.html
+++ b/archives/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -216,6 +216,26 @@
       <span class="collection-header">2020</span>
     </div>
 
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2020-08-02T21:13:59+08:00"
+              content="2020-08-02">
+          08-02
+        </time>
+      </div>
+
+      <div class="post-title">
+          <a class="post-title-link" href="/2020/08/02/%E8%81%8A%E8%81%8A-Java-%E8%87%AA%E5%B8%A6%E7%9A%84%E9%82%A3%E4%BA%9B%E9%80%86%E5%A4%A9%E5%B7%A5%E5%85%B7/" itemprop="url">
+            <span itemprop="name">聊聊 Java 自带的那些"逆天"工具</span>
+          </a>
+      </div>
+
+    </header>
+  </article>
+
   <article itemscope itemtype="http://schema.org/Article">
     <header class="post-header">
 
@@ -396,26 +416,6 @@
     </header>
   </article>
 
-  <article itemscope itemtype="http://schema.org/Article">
-    <header class="post-header">
-
-      <div class="post-meta">
-        <time itemprop="dateCreated"
-              datetime="2020-05-22T23:26:50+08:00"
-              content="2020-05-22">
-          05-22
-        </time>
-      </div>
-
-      <div class="post-title">
-          <a class="post-title-link" href="/2020/05/22/%E8%81%8A%E8%81%8A%E6%88%91%E5%88%9A%E5%AD%A6%E4%BC%9A%E7%9A%84%E5%BA%94%E7%94%A8%E8%AF%8A%E6%96%AD%E6%96%B9%E6%B3%95/" itemprop="url">
-            <span itemprop="name">聊聊我刚学会的应用诊断方法</span>
-          </a>
-      </div>
-
-    </header>
-  </article>
-
 
     </div>
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@@ -425,7 +425,7 @@
 
   
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+    <span class="page-number current">1</span><a class="page-number" href="/archives/page/2/">2</a><span class="space">&hellip;</span><a class="page-number" href="/archives/page/7/">7</a><a class="extend next" rel="next" href="/archives/page/2/"><i class="fa fa-angle-right" aria-label="Next page"></i></a>
   </nav>
 
 
@@ -493,7 +493,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
           <span class="site-state-item-name">posts</span>
         </a>
       </div>
@@ -506,7 +506,7 @@
       <div class="site-state-item site-state-tags">
             <a href="/tags/">
           
-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
         <span class="site-state-item-name">tags</span></a>
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@@ -531,7 +531,7 @@
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href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">7</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li 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href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" 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diff --git a/archives/page/2/index.html b/archives/page/2/index.html
index 942d08d2ad..c2da7a84f5 100644
--- a/archives/page/2/index.html
+++ b/archives/page/2/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -216,6 +216,26 @@
       <span class="collection-header">2020</span>
     </div>
 
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2020-05-22T23:26:50+08:00"
+              content="2020-05-22">
+          05-22
+        </time>
+      </div>
+
+      <div class="post-title">
+          <a class="post-title-link" href="/2020/05/22/%E8%81%8A%E8%81%8A%E6%88%91%E5%88%9A%E5%AD%A6%E4%BC%9A%E7%9A%84%E5%BA%94%E7%94%A8%E8%AF%8A%E6%96%AD%E6%96%B9%E6%B3%95/" itemprop="url">
+            <span itemprop="name">聊聊我刚学会的应用诊断方法</span>
+          </a>
+      </div>
+
+    </header>
+  </article>
+
   <article itemscope itemtype="http://schema.org/Article">
     <header class="post-header">
 
@@ -396,26 +416,6 @@
     </header>
   </article>
 
-  <article itemscope itemtype="http://schema.org/Article">
-    <header class="post-header">
-
-      <div class="post-meta">
-        <time itemprop="dateCreated"
-              datetime="2020-03-15T22:33:55+08:00"
-              content="2020-03-15">
-          03-15
-        </time>
-      </div>
-
-      <div class="post-title">
-          <a class="post-title-link" href="/2020/03/15/docker%E6%AF%94%E4%B8%80%E8%88%AC%E5%A4%9A%E4%B8%80%E7%82%B9%E7%9A%84%E5%88%9D%E5%AD%A6%E8%80%85%E4%BB%8B%E7%BB%8D%E4%BA%8C/" itemprop="url">
-            <span itemprop="name">docker比一般多一点的初学者介绍二</span>
-          </a>
-      </div>
-
-    </header>
-  </article>
-
 
     </div>
   </div>
@@ -425,7 +425,7 @@
 
   
   <nav class="pagination">
-    <a class="extend prev" rel="prev" href="/archives/"><i class="fa fa-angle-left" aria-label="Previous page"></i></a><a class="page-number" href="/archives/">1</a><span class="page-number current">2</span><a class="page-number" href="/archives/page/3/">3</a><span class="space">&hellip;</span><a class="page-number" href="/archives/page/6/">6</a><a class="extend next" rel="next" href="/archives/page/3/"><i class="fa fa-angle-right" aria-label="Next page"></i></a>
+    <a class="extend prev" rel="prev" href="/archives/"><i class="fa fa-angle-left" aria-label="Previous page"></i></a><a class="page-number" href="/archives/">1</a><span class="page-number current">2</span><a class="page-number" href="/archives/page/3/">3</a><span class="space">&hellip;</span><a class="page-number" href="/archives/page/7/">7</a><a class="extend next" rel="next" href="/archives/page/3/"><i class="fa fa-angle-right" aria-label="Next page"></i></a>
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@@ -493,7 +493,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
           <span class="site-state-item-name">posts</span>
         </a>
       </div>
@@ -506,7 +506,7 @@
       <div class="site-state-item site-state-tags">
             <a href="/tags/">
           
-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
         <span class="site-state-item-name">tags</span></a>
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   </nav>
@@ -531,7 +531,7 @@
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     <div id="myCanvasContainer" class="widget tagcloud">
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class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a 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class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span 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diff --git a/archives/page/3/index.html b/archives/page/3/index.html
index b3a985af64..cf9f573b1d 100644
--- a/archives/page/3/index.html
+++ b/archives/page/3/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -216,6 +216,26 @@
       <span class="collection-header">2020</span>
     </div>
 
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2020-03-15T22:33:55+08:00"
+              content="2020-03-15">
+          03-15
+        </time>
+      </div>
+
+      <div class="post-title">
+          <a class="post-title-link" href="/2020/03/15/docker%E6%AF%94%E4%B8%80%E8%88%AC%E5%A4%9A%E4%B8%80%E7%82%B9%E7%9A%84%E5%88%9D%E5%AD%A6%E8%80%85%E4%BB%8B%E7%BB%8D%E4%BA%8C/" itemprop="url">
+            <span itemprop="name">docker比一般多一点的初学者介绍二</span>
+          </a>
+      </div>
+
+    </header>
+  </article>
+
   <article itemscope itemtype="http://schema.org/Article">
     <header class="post-header">
 
@@ -396,26 +416,6 @@
     </header>
   </article>
 
-  <article itemscope itemtype="http://schema.org/Article">
-    <header class="post-header">
-
-      <div class="post-meta">
-        <time itemprop="dateCreated"
-              datetime="2020-01-10T00:54:04+08:00"
-              content="2020-01-10">
-          01-10
-        </time>
-      </div>
-
-      <div class="post-title">
-          <a class="post-title-link" href="/2020/01/10/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E4%B8%89/" itemprop="url">
-            <span itemprop="name">redis数据结构介绍三-第三部分 整数集合</span>
-          </a>
-      </div>
-
-    </header>
-  </article>
-
 
     </div>
   </div>
@@ -425,7 +425,7 @@
 
   
   <nav class="pagination">
-    <a class="extend prev" rel="prev" href="/archives/page/2/"><i class="fa fa-angle-left" aria-label="Previous page"></i></a><a class="page-number" href="/archives/">1</a><a class="page-number" href="/archives/page/2/">2</a><span class="page-number current">3</span><a class="page-number" href="/archives/page/4/">4</a><span class="space">&hellip;</span><a class="page-number" href="/archives/page/6/">6</a><a class="extend next" rel="next" href="/archives/page/4/"><i class="fa fa-angle-right" aria-label="Next page"></i></a>
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class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" 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class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span 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diff --git a/archives/page/4/index.html b/archives/page/4/index.html
index ad24e6e46b..7dbfbcc36a 100644
--- a/archives/page/4/index.html
+++ b/archives/page/4/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -216,6 +216,26 @@
       <span class="collection-header">2020</span>
     </div>
 
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2020-01-10T00:54:04+08:00"
+              content="2020-01-10">
+          01-10
+        </time>
+      </div>
+
+      <div class="post-title">
+          <a class="post-title-link" href="/2020/01/10/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E4%B8%89/" itemprop="url">
+            <span itemprop="name">redis数据结构介绍三-第三部分 整数集合</span>
+          </a>
+      </div>
+
+    </header>
+  </article>
+
   <article itemscope itemtype="http://schema.org/Article">
     <header class="post-header">
 
@@ -402,26 +422,6 @@
     </header>
   </article>
 
-  <article itemscope itemtype="http://schema.org/Article">
-    <header class="post-header">
-
-      <div class="post-meta">
-        <time itemprop="dateCreated"
-              datetime="2017-04-25T21:46:55+08:00"
-              content="2017-04-25">
-          04-25
-        </time>
-      </div>
-
-      <div class="post-title">
-          <a class="post-title-link" href="/2017/04/25/rabbitmq-tips/" itemprop="url">
-            <span itemprop="name">rabbitmq-tips</span>
-          </a>
-      </div>
-
-    </header>
-  </article>
-
 
     </div>
   </div>
@@ -431,7 +431,7 @@
 
   
   <nav class="pagination">
-    <a class="extend prev" rel="prev" href="/archives/page/3/"><i class="fa fa-angle-left" aria-label="Previous page"></i></a><a class="page-number" href="/archives/">1</a><span class="space">&hellip;</span><a class="page-number" href="/archives/page/3/">3</a><span class="page-number current">4</span><a class="page-number" href="/archives/page/5/">5</a><a class="page-number" href="/archives/page/6/">6</a><a class="extend next" rel="next" href="/archives/page/5/"><i class="fa fa-angle-right" aria-label="Next page"></i></a>
+    <a class="extend prev" rel="prev" href="/archives/page/3/"><i class="fa fa-angle-left" aria-label="Previous page"></i></a><a class="page-number" href="/archives/">1</a><span class="space">&hellip;</span><a class="page-number" href="/archives/page/3/">3</a><span class="page-number current">4</span><a class="page-number" href="/archives/page/5/">5</a><span class="space">&hellip;</span><a class="page-number" href="/archives/page/7/">7</a><a class="extend next" rel="next" href="/archives/page/5/"><i class="fa fa-angle-right" aria-label="Next page"></i></a>
   </nav>
 
 
@@ -499,7 +499,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
           <span class="site-state-item-name">posts</span>
         </a>
       </div>
@@ -512,7 +512,7 @@
       <div class="site-state-item site-state-tags">
             <a href="/tags/">
           
-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
         <span class="site-state-item-name">tags</span></a>
       </div>
   </nav>
@@ -537,7 +537,7 @@
   <div class="widget-wrap">
     <div id="myCanvasContainer" class="widget tagcloud">
       <canvas width="250" height="250" id="resCanvas" style="width=100%">
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href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">7</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li 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href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span 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diff --git a/archives/page/5/index.html b/archives/page/5/index.html
index c600d0db0e..026cb359e0 100644
--- a/archives/page/5/index.html
+++ b/archives/page/5/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -216,6 +216,26 @@
       <span class="collection-header">2017</span>
     </div>
 
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2017-04-25T21:46:55+08:00"
+              content="2017-04-25">
+          04-25
+        </time>
+      </div>
+
+      <div class="post-title">
+          <a class="post-title-link" href="/2017/04/25/rabbitmq-tips/" itemprop="url">
+            <span itemprop="name">rabbitmq-tips</span>
+          </a>
+      </div>
+
+    </header>
+  </article>
+
   <article itemscope itemtype="http://schema.org/Article">
     <header class="post-header">
 
@@ -402,26 +422,6 @@
     </header>
   </article>
 
-  <article itemscope itemtype="http://schema.org/Article">
-    <header class="post-header">
-
-      <div class="post-meta">
-        <time itemprop="dateCreated"
-              datetime="2015-04-15T13:49:00+08:00"
-              content="2015-04-15">
-          04-15
-        </time>
-      </div>
-
-      <div class="post-title">
-          <a class="post-title-link" href="/2015/04/15/Leetcode-No-3/" itemprop="url">
-            <span itemprop="name">leetcode no.3</span>
-          </a>
-      </div>
-
-    </header>
-  </article>
-
 
     </div>
   </div>
@@ -431,7 +431,7 @@
 
   
   <nav class="pagination">
-    <a class="extend prev" rel="prev" href="/archives/page/4/"><i class="fa fa-angle-left" aria-label="Previous page"></i></a><a class="page-number" href="/archives/">1</a><span class="space">&hellip;</span><a class="page-number" href="/archives/page/4/">4</a><span class="page-number current">5</span><a class="page-number" href="/archives/page/6/">6</a><a class="extend next" rel="next" href="/archives/page/6/"><i class="fa fa-angle-right" aria-label="Next page"></i></a>
+    <a class="extend prev" rel="prev" href="/archives/page/4/"><i class="fa fa-angle-left" aria-label="Previous page"></i></a><a class="page-number" href="/archives/">1</a><span class="space">&hellip;</span><a class="page-number" href="/archives/page/4/">4</a><span class="page-number current">5</span><a class="page-number" href="/archives/page/6/">6</a><a class="page-number" href="/archives/page/7/">7</a><a class="extend next" rel="next" href="/archives/page/6/"><i class="fa fa-angle-right" aria-label="Next page"></i></a>
   </nav>
 
 
@@ -499,7 +499,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
           <span class="site-state-item-name">posts</span>
         </a>
       </div>
@@ -512,7 +512,7 @@
       <div class="site-state-item site-state-tags">
             <a href="/tags/">
           
-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
         <span class="site-state-item-name">tags</span></a>
       </div>
   </nav>
@@ -537,7 +537,7 @@
   <div class="widget-wrap">
     <div id="myCanvasContainer" class="widget tagcloud">
       <canvas width="250" height="250" id="resCanvas" style="width=100%">
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href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">7</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li 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href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span 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href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" 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class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li 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class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a 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class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span 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diff --git a/archives/page/6/index.html b/archives/page/6/index.html
index 2da5861262..8af3f13e1e 100644
--- a/archives/page/6/index.html
+++ b/archives/page/6/index.html
@@ -208,7 +208,7 @@
     <div class="posts-collapse">
       <div class="collection-title">
         
-        <span class="collection-header">Nice! 60 posts in total. Keep on posting.</span>
+        <span class="collection-header">Nice! 61 posts in total. Keep on posting.</span>
       </div>
 
       
@@ -216,6 +216,26 @@
       <span class="collection-header">2015</span>
     </div>
 
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2015-04-15T13:49:00+08:00"
+              content="2015-04-15">
+          04-15
+        </time>
+      </div>
+
+      <div class="post-title">
+          <a class="post-title-link" href="/2015/04/15/Leetcode-No-3/" itemprop="url">
+            <span itemprop="name">leetcode no.3</span>
+          </a>
+      </div>
+
+    </header>
+  </article>
+
   <article itemscope itemtype="http://schema.org/Article">
     <header class="post-header">
 
@@ -399,26 +419,6 @@
     </header>
   </article>
 
-  <article itemscope itemtype="http://schema.org/Article">
-    <header class="post-header">
-
-      <div class="post-meta">
-        <time itemprop="dateCreated"
-              datetime="2014-12-23T09:58:11+08:00"
-              content="2014-12-23">
-          12-23
-        </time>
-      </div>
-
-      <div class="post-title">
-          <a class="post-title-link" href="/2014/12/23/my-new-post/" itemprop="url">
-            <span itemprop="name">C++ 指针使用中的一个小问题</span>
-          </a>
-      </div>
-
-    </header>
-  </article>
-
 
     </div>
   </div>
@@ -428,7 +428,7 @@
 
   
   <nav class="pagination">
-    <a class="extend prev" rel="prev" href="/archives/page/5/"><i class="fa fa-angle-left" aria-label="Previous page"></i></a><a class="page-number" href="/archives/">1</a><span class="space">&hellip;</span><a class="page-number" href="/archives/page/5/">5</a><span class="page-number current">6</span>
+    <a class="extend prev" rel="prev" href="/archives/page/5/"><i class="fa fa-angle-left" aria-label="Previous page"></i></a><a class="page-number" href="/archives/">1</a><span class="space">&hellip;</span><a class="page-number" href="/archives/page/5/">5</a><span class="page-number current">6</span><a class="page-number" href="/archives/page/7/">7</a><a class="extend next" rel="next" href="/archives/page/7/"><i class="fa fa-angle-right" aria-label="Next page"></i></a>
   </nav>
 
 
@@ -496,7 +496,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
           <span class="site-state-item-name">posts</span>
         </a>
       </div>
@@ -509,7 +509,7 @@
       <div class="site-state-item site-state-tags">
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-        <span class="site-state-item-count">93</span>
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new file mode 100644
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+          console.error('LeanCloud Counter Error', error);
+        });
+    }
+
+    function showTime(Counter) {
+      var visitors = document.querySelectorAll('.leancloud_visitors');
+      var entries = [...visitors].map(element => {
+        return decodeURI(element.id);
+      });
+
+      Counter('get', '/classes/Counter?where=' + encodeURIComponent(JSON.stringify({ url: { '$in': entries } })))
+        .then(response => response.json())
+        .then(({ results }) => {
+          for (let url of entries) {
+            let target = results.find(item => item.url === url);
+            leancloudSelector(url).innerText = target ? target.time : 0;
+          }
+        })
+        .catch(error => {
+          console.error('LeanCloud Counter Error', error);
+        });
+    }
+
+    let { app_id, app_key, server_url } = {"enable":true,"app_id":"ysza182Vghlqjdt7QiwGLLJy-gzGzoHsz","app_key":"s9GDqbn7gnGGkusf66YRVccw","server_url":"https://leancloud.cn","security":true};
+    function fetchData(api_server) {
+      var Counter = (method, url, data) => {
+        return fetch(`${api_server}/1.1${url}`, {
+          method,
+          headers: {
+            'X-LC-Id'     : app_id,
+            'X-LC-Key'    : app_key,
+            'Content-Type': 'application/json',
+          },
+          body: JSON.stringify(data)
+        });
+      };
+      if (CONFIG.page.isPost) {
+        if (CONFIG.hostname !== location.hostname) return;
+        addCount(Counter);
+      } else if (document.querySelectorAll('.post-title-link').length >= 1) {
+        showTime(Counter);
+      }
+    }
+
+    let api_server = app_id.slice(-9) !== '-MdYXbMMI' ? server_url : `https://${app_id.slice(0, 8).toLowerCase()}.api.lncldglobal.com`;
+
+    if (api_server) {
+      fetchData(api_server);
+    } else {
+      fetch('https://app-router.leancloud.cn/2/route?appId=' + app_id)
+        .then(response => response.json())
+        .then(({ api_server }) => {
+          fetchData('https://' + api_server);
+        });
+    }
+  })();
+</script>
+
+
+      </div>
+    </footer>
+  </div>
+
+  
+  <script src="/lib/anime.min.js"></script>
+  <script src="//cdn.jsdelivr.net/npm/jquery@3/dist/jquery.min.js"></script>
+  <script src="//cdn.jsdelivr.net/gh/fancyapps/fancybox@3/dist/jquery.fancybox.min.js"></script>
+  <script src="//cdn.jsdelivr.net/npm/lozad@1/dist/lozad.min.js"></script>
+  <script src="/lib/velocity/velocity.min.js"></script>
+  <script src="/lib/velocity/velocity.ui.min.js"></script>
+
+<script src="/js/utils.js"></script>
+
+<script src="/js/motion.js"></script>
+
+
+<script src="/js/schemes/pisces.js"></script>
+
+
+<script src="/js/next-boot.js"></script>
+
+
+
+
+  
+  <script>
+    (function(){
+      var bp = document.createElement('script');
+      var curProtocol = window.location.protocol.split(':')[0];
+      bp.src = (curProtocol === 'https') ? 'https://zz.bdstatic.com/linksubmit/push.js' : 'http://push.zhanzhang.baidu.com/push.js';
+      var s = document.getElementsByTagName("script")[0];
+      s.parentNode.insertBefore(bp, s);
+    })();
+  </script>
+
+
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+
+
+
+
+
+
+
+
+
+
+
+
+  
+
+  
+
+<script>
+  function loadCount() {
+    var d = document, s = d.createElement('script');
+    s.src = 'https://nicksxs.disqus.com/count.js';
+    s.id = 'dsq-count-scr';
+    (d.head || d.body).appendChild(s);
+  }
+  // defer loading until the whole page loading is completed
+  window.addEventListener('load', loadCount, false);
+</script>
+
+</body>
+</html>
diff --git a/atom.xml b/atom.xml
index cb2b2648c1..7d3faef9d9 100644
--- a/atom.xml
+++ b/atom.xml
@@ -6,7 +6,7 @@
   <link href="/atom.xml" rel="self"/>
   
   <link href="https://nicksxs.me/"/>
-  <updated>2020-07-26T15:34:01.230Z</updated>
+  <updated>2020-08-02T15:17:35.776Z</updated>
   <id>https://nicksxs.me/</id>
   
   <author>
@@ -16,6 +16,45 @@
   
   <generator uri="https://hexo.io/">Hexo</generator>
   
+  <entry>
+    <title>聊聊 Java 自带的那些&quot;逆天&quot;工具</title>
+    <link href="https://nicksxs.me/2020/08/02/%E8%81%8A%E8%81%8A-Java-%E8%87%AA%E5%B8%A6%E7%9A%84%E9%82%A3%E4%BA%9B%E9%80%86%E5%A4%A9%E5%B7%A5%E5%85%B7/"/>
+    <id>https://nicksxs.me/2020/08/02/%E8%81%8A%E8%81%8A-Java-%E8%87%AA%E5%B8%A6%E7%9A%84%E9%82%A3%E4%BA%9B%E9%80%86%E5%A4%A9%E5%B7%A5%E5%85%B7/</id>
+    <published>2020-08-02T13:13:59.000Z</published>
+    <updated>2020-08-02T15:17:35.776Z</updated>
+    
+    <summary type="html">
+    
+      
+      
+        
+        
+          &lt;p&gt;原谅我的标题党，其实这些工具的确很厉害，之前其实介绍过一点相关的，是从我一次问题排查的过程中用到的，但是最近又有碰到一次排查问题，发现其实用 idea 直接 &lt;code&gt;dump thread&lt;/code&gt; 是不现实的，毕竟服务器环境的没法这么操作，那就得用 Java
+        
+      
+    
+    </summary>
+    
+    
+      <category term="Java" scheme="https://nicksxs.me/categories/Java/"/>
+    
+      <category term="Thread dump" scheme="https://nicksxs.me/categories/Thread-dump/"/>
+    
+      <category term="问题排查" scheme="https://nicksxs.me/categories/%E9%97%AE%E9%A2%98%E6%8E%92%E6%9F%A5/"/>
+    
+      <category term="工具" scheme="https://nicksxs.me/categories/%E5%B7%A5%E5%85%B7/"/>
+    
+    
+      <category term="Java" scheme="https://nicksxs.me/tags/Java/"/>
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+      <category term="JPS" scheme="https://nicksxs.me/tags/JPS/"/>
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+      <category term="JStack" scheme="https://nicksxs.me/tags/JStack/"/>
+    
+      <category term="JMap" scheme="https://nicksxs.me/tags/JMap/"/>
+    
+  </entry>
+  
   <entry>
     <title>我是如何走上跑步这条不归路的</title>
     <link href="https://nicksxs.me/2020/07/26/%E6%88%91%E6%98%AF%E5%A6%82%E4%BD%95%E8%B5%B0%E4%B8%8A%E8%B7%91%E6%AD%A5%E8%BF%99%E6%9D%A1%E4%B8%8D%E5%BD%92%E8%B7%AF%E7%9A%84/"/>
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       <category term="C" scheme="https://nicksxs.me/categories/C/"/>
     
+      <category term="数据结构" scheme="https://nicksxs.me/categories/Mysql/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/"/>
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       <category term="源码" scheme="https://nicksxs.me/categories/Mysql/%E6%BA%90%E7%A0%81/"/>
     
       <category term="Mysql" scheme="https://nicksxs.me/categories/C/Mysql/"/>
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       <category term="源码" scheme="https://nicksxs.me/categories/Mysql/%E6%BA%90%E7%A0%81/"/>
     
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-    
       <category term="C" scheme="https://nicksxs.me/categories/C/"/>
     
+      <category term="数据结构" scheme="https://nicksxs.me/categories/Mysql/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/"/>
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       <category term="源码" scheme="https://nicksxs.me/categories/Mysql/%E6%BA%90%E7%A0%81/"/>
     
       <category term="Mysql" scheme="https://nicksxs.me/categories/C/Mysql/"/>
@@ -821,37 +860,4 @@
     
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-  <entry>
-    <title>docker比一般多一点的初学者介绍二</title>
-    <link href="https://nicksxs.me/2020/03/15/docker%E6%AF%94%E4%B8%80%E8%88%AC%E5%A4%9A%E4%B8%80%E7%82%B9%E7%9A%84%E5%88%9D%E5%AD%A6%E8%80%85%E4%BB%8B%E7%BB%8D%E4%BA%8C/"/>
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-    <published>2020-03-15T14:33:55.000Z</published>
-    <updated>2020-03-16T14:16:28.120Z</updated>
-    
-    <summary type="html">
-    
-      
-      
-        
-        
-          &lt;h2 id=&quot;限制下-docker-的-cpu-使用率&quot;&gt;&lt;a href=&quot;#限制下-docker-的-cpu-使用率&quot; class=&quot;headerlink&quot; title=&quot;限制下 docker 的 cpu 使用率&quot;&gt;&lt;/a&gt;限制下 docker 的 cpu
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index 5619362c86..cb14269994 100644
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+++ b/baidu_verify_Gl8jtoDV4z.html
@@ -309,7 +309,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
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@@ -322,7 +322,7 @@
       <div class="site-state-item site-state-tags">
             <a href="/tags/">
           
-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
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@@ -347,7 +347,7 @@
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class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span 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class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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diff --git a/baidusitemap.xml b/baidusitemap.xml
index 7477e243ee..930ec373e1 100644
--- a/baidusitemap.xml
+++ b/baidusitemap.xml
@@ -1,6 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
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+    <lastmod>2020-08-02</lastmod>
+  </url>  <url>
     <loc>https://nicksxs.me/2020/07/26/%E6%88%91%E6%98%AF%E5%A6%82%E4%BD%95%E8%B5%B0%E4%B8%8A%E8%B7%91%E6%AD%A5%E8%BF%99%E6%9D%A1%E4%B8%8D%E5%BD%92%E8%B7%AF%E7%9A%84/</loc>
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@@ -88,10 +91,10 @@
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     <lastmod>2020-01-18</lastmod>
   </url>  <url>
-    <loc>https://nicksxs.me/2019/12/10/Redis-Part-1/</loc>
+    <loc>https://nicksxs.me/2015/01/14/Two-Sum/</loc>
     <lastmod>2020-01-12</lastmod>
   </url>  <url>
-    <loc>https://nicksxs.me/2015/01/14/Two-Sum/</loc>
+    <loc>https://nicksxs.me/2019/12/10/Redis-Part-1/</loc>
     <lastmod>2020-01-12</lastmod>
   </url>  <url>
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@@ -109,10 +112,10 @@
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     <lastmod>2020-01-12</lastmod>
   </url>  <url>
-    <loc>https://nicksxs.me/2016/08/14/docker-mysql-cluster/</loc>
+    <loc>https://nicksxs.me/2014/12/24/MFC%20%E6%A8%A1%E6%80%81%E5%AF%B9%E8%AF%9D%E6%A1%86/</loc>
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+    <loc>https://nicksxs.me/2016/08/14/docker-mysql-cluster/</loc>
     <lastmod>2020-01-12</lastmod>
   </url>  <url>
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diff --git a/categories/C/Mysql/index.html b/categories/C/Mysql/index.html
index 7ad982a98f..755965b69c 100644
--- a/categories/C/Mysql/index.html
+++ b/categories/C/Mysql/index.html
@@ -350,7 +350,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
           <span class="site-state-item-name">posts</span>
         </a>
       </div>
@@ -363,7 +363,7 @@
       <div class="site-state-item site-state-tags">
             <a href="/tags/">
           
-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
         <span class="site-state-item-name">tags</span></a>
       </div>
   </nav>
@@ -388,7 +388,7 @@
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href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" 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href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a 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class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" 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diff --git a/categories/Dubbo/index.html b/categories/Dubbo/index.html
index 48728ad9d2..cfbd1d7853 100644
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+++ b/categories/Dubbo/index.html
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@@ -343,7 +343,7 @@
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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">7</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
       </canvas>
     </div>
   </div>
@@ -601,7 +601,20 @@
 
 </body>
 </html>
-'Failed to save visitor count', error);
+{
+      var visitors = document.querySelector('.leancloud_visitors');
+      var url = decodeURI(visitors.id);
+      var title = visitors.dataset.flagTitle;
+
+      Counter('get', '/classes/Counter?where=' + encodeURIComponent(JSON.stringify({ url })))
+        .then(response => response.json())
+        .then(({ results }) => {
+          if (results.length > 0) {
+            var counter = results[0];
+            leancloudSelector(url).innerText = counter.time + 1;
+            Counter('put', '/classes/Counter/' + counter.objectId, { time: { '__op': 'Increment', 'amount': 1 } })
+              .catch(error => {
+                console.error('Failed to save visitor count', error);
               });
           } else {
               leancloudSelector(url).innerText = 'Counter not initialized! More info at console err msg.';
diff --git a/categories/Java/集合/index.html b/categories/Java/集合/index.html
index db3069c3db..15da0d4749 100644
--- a/categories/Java/集合/index.html
+++ b/categories/Java/集合/index.html
@@ -310,7 +310,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
           <span class="site-state-item-name">posts</span>
         </a>
       </div>
@@ -323,7 +323,7 @@
       <div class="site-state-item site-state-tags">
             <a href="/tags/">
           
-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
         <span class="site-state-item-name">tags</span></a>
       </div>
   </nav>
@@ -348,7 +348,7 @@
   <div class="widget-wrap">
     <div id="myCanvasContainer" class="widget tagcloud">
       <canvas width="250" height="250" id="resCanvas" style="width=100%">
-        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">7</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" 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diff --git a/categories/Linux/index.html b/categories/Linux/index.html
index 534f04da69..13c9c48a09 100644
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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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index e7701962fc..0c23e4e09c 100644
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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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diff --git a/categories/Redis/index.html b/categories/Redis/index.html
index 12bd4e5f67..ee7550f452 100644
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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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+            <span itemprop="name">聊聊 Java 自带的那些"逆天"工具</span>
+          </a>
+      </div>
+
+    </header>
+  </article>
+
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@@ -207,14 +207,14 @@
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href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">7</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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diff --git a/categories/nginx/index.html b/categories/nginx/index.html
index 02d0a19bbc..df4e59de88 100644
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diff --git a/categories/php/icu4c/index.html b/categories/php/icu4c/index.html
index 9be1ca7cb0..bba7468f9a 100644
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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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diff --git a/categories/php/index.html b/categories/php/index.html
index 633c568b17..1edc570090 100644
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@@ -323,7 +323,7 @@
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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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diff --git a/categories/工具/index.html b/categories/工具/index.html
index c482e47a10..716482f2ed 100644
--- a/categories/工具/index.html
+++ b/categories/工具/index.html
@@ -217,6 +217,26 @@
       <span class="collection-header">2020</span>
     </div>
 
+  <article itemscope itemtype="http://schema.org/Article">
+    <header class="post-header">
+
+      <div class="post-meta">
+        <time itemprop="dateCreated"
+              datetime="2020-08-02T21:13:59+08:00"
+              content="2020-08-02">
+          08-02
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+      </div>
+
+      <div class="post-title">
+          <a class="post-title-link" href="/2020/08/02/%E8%81%8A%E8%81%8A-Java-%E8%87%AA%E5%B8%A6%E7%9A%84%E9%82%A3%E4%BA%9B%E9%80%86%E5%A4%A9%E5%B7%A5%E5%85%B7/" itemprop="url">
+            <span itemprop="name">聊聊 Java 自带的那些"逆天"工具</span>
+          </a>
+      </div>
+
+    </header>
+  </article>
+
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@@ -323,7 +343,7 @@
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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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diff --git a/categories/持续集成/index.html b/categories/持续集成/index.html
index 236e06d7eb..5d9471fc74 100644
--- a/categories/持续集成/index.html
+++ b/categories/持续集成/index.html
@@ -310,7 +310,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
           <span class="site-state-item-name">posts</span>
         </a>
       </div>
@@ -323,7 +323,7 @@
       <div class="site-state-item site-state-tags">
             <a href="/tags/">
           
-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
         <span class="site-state-item-name">tags</span></a>
       </div>
   </nav>
@@ -348,7 +348,7 @@
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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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diff --git a/categories/消息队列/index.html b/categories/消息队列/index.html
index f7dc7a55db..6ecd0fba1c 100644
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+++ b/categories/消息队列/index.html
@@ -370,7 +370,7 @@
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-        <span class="site-state-item-count">93</span>
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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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diff --git a/categories/生活/index.html b/categories/生活/index.html
index 36236a6146..edba049a13 100644
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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span 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diff --git a/categories/生活/运动/index.html b/categories/生活/运动/index.html
index 5c4bd9df07..ce48a59675 100644
--- a/categories/生活/运动/index.html
+++ b/categories/生活/运动/index.html
@@ -310,7 +310,7 @@
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-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
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@@ -323,7 +323,7 @@
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-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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+++ b/categories/问题排查/index.html
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+              content="2020-08-02">
+          08-02
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+      <div class="post-title">
+          <a class="post-title-link" href="/2020/08/02/%E8%81%8A%E8%81%8A-Java-%E8%87%AA%E5%B8%A6%E7%9A%84%E9%82%A3%E4%BA%9B%E9%80%86%E5%A4%A9%E5%B7%A5%E5%85%B7/" itemprop="url">
+            <span itemprop="name">聊聊 Java 自带的那些"逆天"工具</span>
+          </a>
+      </div>
+
+    </header>
+  </article>
+
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class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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diff --git a/css/main.css b/css/main.css
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--- a/css/main.css
+++ b/css/main.css
@@ -1262,7 +1262,7 @@ pre .javascript .function {
 }
 .links-of-author a::before,
 .links-of-author span.exturl::before {
-  background: #ff59b8;
+  background: #1bf2ff;
   border-radius: 50%;
   content: ' ';
   display: inline-block;
diff --git a/index.html b/index.html
index 4d2828f9fa..1ac65c608a 100644
--- a/index.html
+++ b/index.html
@@ -203,6 +203,116 @@
       
   
   
+  <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2020/08/02/%E8%81%8A%E8%81%8A-Java-%E8%87%AA%E5%B8%A6%E7%9A%84%E9%82%A3%E4%BA%9B%E9%80%86%E5%A4%A9%E5%B7%A5%E5%85%B7/">
+
+    <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
+      <meta itemprop="image" content="/uploads/avatar.jpg">
+      <meta itemprop="name" content="Nicksxs">
+      <meta itemprop="description" content="learn from zero,技术博客，Nicksxs，史学森">
+    </span>
+
+    <span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization">
+      <meta itemprop="name" content="Nicksxs's Blog">
+    </span>
+      <header class="post-header">
+        <h2 class="post-title" itemprop="name headline">
+          
+            <a href="/2020/08/02/%E8%81%8A%E8%81%8A-Java-%E8%87%AA%E5%B8%A6%E7%9A%84%E9%82%A3%E4%BA%9B%E9%80%86%E5%A4%A9%E5%B7%A5%E5%85%B7/" class="post-title-link" itemprop="url">聊聊 Java 自带的那些"逆天"工具</a>
+        </h2>
+
+        <div class="post-meta">
+            <span class="post-meta-item">
+              <span class="post-meta-item-icon">
+                <i class="far fa-calendar"></i>
+              </span>
+              <span class="post-meta-item-text">Posted on</span>
+              
+
+              <time title="Created: 2020-08-02 21:13:59 / Modified: 23:17:35" itemprop="dateCreated datePublished" datetime="2020-08-02T21:13:59+08:00">2020-08-02</time>
+            </span>
+            <span class="post-meta-item">
+              <span class="post-meta-item-icon">
+                <i class="far fa-folder"></i>
+              </span>
+              <span class="post-meta-item-text">In</span>
+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/Java/" itemprop="url" rel="index"><span itemprop="name">Java</span></a>
+                </span>
+                  , 
+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/Thread-dump/" itemprop="url" rel="index"><span itemprop="name">Thread dump</span></a>
+                </span>
+                  , 
+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/%E9%97%AE%E9%A2%98%E6%8E%92%E6%9F%A5/" itemprop="url" rel="index"><span itemprop="name">问题排查</span></a>
+                </span>
+                  , 
+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/%E5%B7%A5%E5%85%B7/" itemprop="url" rel="index"><span itemprop="name">工具</span></a>
+                </span>
+            </span>
+
+          
+            <span id="/2020/08/02/%E8%81%8A%E8%81%8A-Java-%E8%87%AA%E5%B8%A6%E7%9A%84%E9%82%A3%E4%BA%9B%E9%80%86%E5%A4%A9%E5%B7%A5%E5%85%B7/" class="post-meta-item leancloud_visitors" data-flag-title="聊聊 Java 自带的那些"逆天"工具" title="Views">
+              <span class="post-meta-item-icon">
+                <i class="fa fa-eye"></i>
+              </span>
+              <span class="post-meta-item-text">Views: </span>
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+  
+  <span class="post-meta-item">
+    
+      <span class="post-meta-item-icon">
+        <i class="far fa-comment"></i>
+      </span>
+      <span class="post-meta-item-text">Disqus: </span>
+    
+    <a title="disqus" href="/2020/08/02/%E8%81%8A%E8%81%8A-Java-%E8%87%AA%E5%B8%A6%E7%9A%84%E9%82%A3%E4%BA%9B%E9%80%86%E5%A4%A9%E5%B7%A5%E5%85%B7/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2020/08/02/聊聊-Java-自带的那些逆天工具/" itemprop="commentCount"></span>
+    </a>
+  </span>
+  
+  
+
+        </div>
+      </header>
+
+    
+    
+    
+    <div class="post-body" itemprop="articleBody">
+
+      
+          <p>原谅我的标题党，其实这些工具的确很厉害，之前其实介绍过一点相关的，是从我一次问题排查的过程中用到的，但是最近又有碰到一次排查问题，发现其实用 idea 直接 <code>dump thread</code> 是不现实的，毕竟服务器环境的没法这么操作，那就得用 Java 的那些工具了</p>
+<h3 id="jstack-amp-jps"><a href="#jstack-amp-jps" class="headerlink" title="jstack &amp; jps"></a>jstack &amp; jps</h3><p>譬如 <code>jstack</code>，这个命令其实不能更简单了<br>看看 help 信息<br><img data-src="https://gitee.com/nicksxs/images/raw/master/uPic/1eYvcu.png" alt=""><br>用<code>-l</code>参数可以打出锁的额外信息，然后后面的 pid 就是进程 id 咯，机智的小伙伴会问了（就你这个小白才问这么蠢的问题🤦‍♂️），怎么看 Java 应用的进程呢<br>那就是 <code>jps</code> 了，命令也很简单，一般直接用 <code>jps</code>命令就好了，不过也可以 help 看一下<br><img data-src="https://gitee.com/nicksxs/images/raw/master/uPic/DqWZe1.png" alt=""><br>稍微解释下，-q是只显示进程 id，-m是输出给main 方法的参数，比如我在配置中加给参数<br><img data-src="https://gitee.com/nicksxs/images/raw/master/uPic/4A0pqD.png" alt=""><br>然后用 <code>jps -m</code>查看<br><img data-src="https://gitee.com/nicksxs/images/raw/master/uPic/LlGPfU.png" alt=""><br><code>-v</code>加上小 v 的话就是打印 jvm 参数<br><img data-src="https://gitee.com/nicksxs/images/raw/master/uPic/3UTgsd.png" alt=""><br>还是有点东西，然后就继续介绍 jstack 了，然后我们看看 jstack 出来是啥，为了加点内容我加了个死锁</p>
+<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title">main</span><span class="params">(String[] args)</span> <span class="keyword">throws</span> InterruptedException </span>&#123;</span><br><span class="line">        SpringApplication.run(ThreadDumpDemoApplication<span class="class">.<span class="keyword">class</span>, <span class="title">args</span>)</span>;</span><br><span class="line">        ReentrantLock lock1 = <span class="keyword">new</span> ReentrantLock();</span><br><span class="line">        ReentrantLock lock2 = <span class="keyword">new</span> ReentrantLock();</span><br><span class="line">        Thread t1 = <span class="keyword">new</span> Thread() &#123;</span><br><span class="line">            <span class="meta">@Override</span></span><br><span class="line">            <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">run</span><span class="params">()</span> </span>&#123;</span><br><span class="line">                <span class="keyword">try</span> &#123;</span><br><span class="line">                    lock1.lock();</span><br><span class="line">                    TimeUnit.SECONDS.sleep(<span class="number">1</span>);</span><br><span class="line">                    lock2.lock();</span><br><span class="line">                &#125; <span class="keyword">catch</span> (InterruptedException e) &#123;</span><br><span class="line">                    e.printStackTrace();</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;;</span><br><span class="line">        Thread t2 = <span class="keyword">new</span> Thread() &#123;</span><br><span class="line">            <span class="meta">@Override</span></span><br><span class="line">            <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">run</span><span class="params">()</span> </span>&#123;</span><br><span class="line">                <span class="keyword">try</span> &#123;</span><br><span class="line">                    lock2.lock();</span><br><span class="line">                    TimeUnit.SECONDS.sleep(<span class="number">1</span>);</span><br><span class="line">                    lock1.lock();</span><br><span class="line">                &#125; <span class="keyword">catch</span> (InterruptedException e) &#123;</span><br><span class="line">                    e.printStackTrace();</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;;</span><br><span class="line">        t1.setName(<span class="string">"mythread1"</span>);</span><br><span class="line">        t2.setName(<span class="string">"mythread2"</span>);</span><br><span class="line">        t1.start();</span><br><span class="line">        t2.start();</span><br><span class="line">        Thread.sleep(<span class="number">10000</span>);</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
+<p>然后看看出来时怎么样的</p>
+<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br><span class="line">92</span><br><span class="line">93</span><br><span class="line">94</span><br><span class="line">95</span><br><span class="line">96</span><br><span class="line">97</span><br><span class="line">98</span><br><span class="line">99</span><br><span class="line">100</span><br><span class="line">101</span><br><span class="line">102</span><br><span class="line">103</span><br><span class="line">104</span><br><span class="line">105</span><br><span class="line">106</span><br><span class="line">107</span><br><span class="line">108</span><br><span class="line">109</span><br><span class="line">110</span><br><span class="line">111</span><br><span class="line">112</span><br><span class="line">113</span><br><span class="line">114</span><br><span class="line">115</span><br><span class="line">116</span><br><span class="line">117</span><br><span class="line">118</span><br><span class="line">119</span><br><span class="line">120</span><br><span class="line">121</span><br><span class="line">122</span><br><span class="line">123</span><br><span class="line">124</span><br><span class="line">125</span><br><span class="line">126</span><br><span class="line">127</span><br><span class="line">128</span><br><span class="line">129</span><br><span class="line">130</span><br><span class="line">131</span><br><span class="line">132</span><br><span class="line">133</span><br><span class="line">134</span><br><span class="line">135</span><br><span class="line">136</span><br><span class="line">137</span><br><span class="line">138</span><br><span class="line">139</span><br><span class="line">140</span><br><span class="line">141</span><br><span class="line">142</span><br><span class="line">143</span><br><span class="line">144</span><br><span class="line">145</span><br><span class="line">146</span><br><span class="line">147</span><br><span class="line">148</span><br><span class="line">149</span><br><span class="line">150</span><br><span class="line">151</span><br><span class="line">152</span><br><span class="line">153</span><br><span class="line">154</span><br><span class="line">155</span><br><span class="line">156</span><br><span class="line">157</span><br><span class="line">158</span><br><span class="line">159</span><br><span class="line">160</span><br><span class="line">161</span><br><span class="line">162</span><br><span class="line">163</span><br><span class="line">164</span><br><span class="line">165</span><br><span class="line">166</span><br><span class="line">167</span><br><span class="line">168</span><br><span class="line">169</span><br><span class="line">170</span><br><span class="line">171</span><br><span class="line">172</span><br><span class="line">173</span><br><span class="line">174</span><br><span class="line">175</span><br><span class="line">176</span><br><span class="line">177</span><br><span class="line">178</span><br><span class="line">179</span><br><span class="line">180</span><br><span class="line">181</span><br><span class="line">182</span><br><span class="line">183</span><br><span class="line">184</span><br><span class="line">185</span><br><span class="line">186</span><br><span class="line">187</span><br><span class="line">188</span><br><span class="line">189</span><br><span class="line">190</span><br><span class="line">191</span><br><span class="line">192</span><br><span class="line">193</span><br><span class="line">194</span><br><span class="line">195</span><br><span class="line">196</span><br><span class="line">197</span><br><span class="line">198</span><br><span class="line">199</span><br><span class="line">200</span><br><span class="line">201</span><br><span class="line">202</span><br><span class="line">203</span><br><span class="line">204</span><br><span class="line">205</span><br><span class="line">206</span><br><span class="line">207</span><br><span class="line">208</span><br><span class="line">209</span><br><span class="line">210</span><br><span class="line">211</span><br><span class="line">212</span><br><span class="line">213</span><br><span class="line">214</span><br><span class="line">215</span><br><span class="line">216</span><br><span class="line">217</span><br><span class="line">218</span><br><span class="line">219</span><br><span class="line">220</span><br><span class="line">221</span><br><span class="line">222</span><br><span class="line">223</span><br><span class="line">224</span><br><span class="line">225</span><br><span class="line">226</span><br><span class="line">227</span><br><span class="line">228</span><br><span class="line">229</span><br><span class="line">230</span><br><span class="line">231</span><br><span class="line">232</span><br><span class="line">233</span><br><span class="line">234</span><br><span class="line">235</span><br><span class="line">236</span><br><span class="line">237</span><br><span class="line">238</span><br><span class="line">239</span><br><span class="line">240</span><br><span class="line">241</span><br><span class="line">242</span><br><span class="line">243</span><br><span class="line">244</span><br><span class="line">245</span><br><span class="line">246</span><br><span class="line">247</span><br><span class="line">248</span><br><span class="line">249</span><br><span class="line">250</span><br><span class="line">251</span><br><span class="line">252</span><br><span class="line">253</span><br><span class="line">254</span><br><span class="line">255</span><br><span class="line">256</span><br><span class="line">257</span><br><span class="line">258</span><br><span class="line">259</span><br><span class="line">260</span><br><span class="line">261</span><br><span class="line">262</span><br><span class="line">263</span><br><span class="line">264</span><br><span class="line">265</span><br><span class="line">266</span><br><span class="line">267</span><br><span class="line">268</span><br><span class="line">269</span><br><span class="line">270</span><br><span class="line">271</span><br><span class="line">272</span><br><span class="line">273</span><br><span class="line">274</span><br><span class="line">275</span><br><span class="line">276</span><br><span class="line">277</span><br><span class="line">278</span><br><span class="line">279</span><br><span class="line">280</span><br><span class="line">281</span><br><span class="line">282</span><br><span class="line">283</span><br><span class="line">284</span><br><span class="line">285</span><br><span class="line">286</span><br><span class="line">287</span><br><span class="line">288</span><br><span class="line">289</span><br><span class="line">290</span><br><span class="line">291</span><br><span class="line">292</span><br><span class="line">293</span><br><span class="line">294</span><br><span class="line">295</span><br><span class="line">296</span><br><span class="line">297</span><br><span class="line">298</span><br><span class="line">299</span><br><span class="line">300</span><br><span class="line">301</span><br><span class="line">302</span><br><span class="line">303</span><br><span class="line">304</span><br><span class="line">305</span><br><span class="line">306</span><br><span class="line">307</span><br><span class="line">308</span><br><span class="line">309</span><br><span class="line">310</span><br><span class="line">311</span><br><span class="line">312</span><br><span class="line">313</span><br><span class="line">314</span><br><span class="line">315</span><br><span class="line">316</span><br><span class="line">317</span><br><span class="line">318</span><br><span class="line">319</span><br><span class="line">320</span><br><span class="line">321</span><br><span class="line">322</span><br><span class="line">323</span><br><span class="line">324</span><br><span class="line">325</span><br><span class="line">326</span><br><span class="line">327</span><br><span class="line">328</span><br><span class="line">329</span><br><span class="line">330</span><br><span class="line">331</span><br><span class="line">332</span><br><span class="line">333</span><br><span class="line">334</span><br><span class="line">335</span><br><span class="line">336</span><br><span class="line">337</span><br><span class="line">338</span><br><span class="line">339</span><br><span class="line">340</span><br><span class="line">341</span><br><span class="line">342</span><br><span class="line">343</span><br><span class="line">344</span><br><span class="line">345</span><br><span class="line">346</span><br><span class="line">347</span><br><span class="line">348</span><br><span class="line">349</span><br><span class="line">350</span><br><span class="line">351</span><br><span class="line">352</span><br><span class="line">353</span><br><span class="line">354</span><br><span class="line">355</span><br><span class="line">356</span><br><span class="line">357</span><br><span class="line">358</span><br><span class="line">359</span><br><span class="line">360</span><br><span class="line">361</span><br><span class="line">362</span><br><span class="line">363</span><br><span class="line">364</span><br><span class="line">365</span><br><span class="line">366</span><br><span class="line">367</span><br><span class="line">368</span><br><span class="line">369</span><br><span class="line">370</span><br><span class="line">371</span><br><span class="line">372</span><br><span class="line">373</span><br><span class="line">374</span><br><span class="line">375</span><br><span class="line">376</span><br><span class="line">377</span><br><span class="line">378</span><br><span class="line">379</span><br><span class="line">380</span><br><span class="line">381</span><br><span class="line">382</span><br><span class="line">383</span><br><span class="line">384</span><br><span class="line">385</span><br><span class="line">386</span><br><span class="line">387</span><br><span class="line">388</span><br><span class="line">389</span><br><span class="line">390</span><br><span class="line">391</span><br><span class="line">392</span><br><span class="line">393</span><br><span class="line">394</span><br><span class="line">395</span><br><span class="line">396</span><br><span class="line">397</span><br><span class="line">398</span><br><span class="line">399</span><br><span class="line">400</span><br><span class="line">401</span><br><span class="line">402</span><br><span class="line">403</span><br><span class="line">404</span><br><span class="line">405</span><br><span class="line">406</span><br><span class="line">407</span><br><span class="line">408</span><br><span class="line">409</span><br><span class="line">410</span><br><span class="line">411</span><br><span class="line">412</span><br><span class="line">413</span><br><span class="line">414</span><br><span class="line">415</span><br><span class="line">416</span><br><span class="line">417</span><br><span class="line">418</span><br><span class="line">419</span><br><span class="line">420</span><br><span class="line">421</span><br><span class="line">422</span><br><span class="line">423</span><br><span class="line">424</span><br><span class="line">425</span><br><span class="line">426</span><br><span class="line">427</span><br><span class="line">428</span><br><span class="line">429</span><br><span class="line">430</span><br><span class="line">431</span><br><span class="line">432</span><br><span class="line">433</span><br><span class="line">434</span><br><span class="line">435</span><br><span class="line">436</span><br><span class="line">437</span><br><span class="line">438</span><br><span class="line">439</span><br><span class="line">440</span><br><span class="line">441</span><br><span class="line">442</span><br><span class="line">443</span><br><span class="line">444</span><br><span class="line">445</span><br><span class="line">446</span><br><span class="line">447</span><br><span class="line">448</span><br><span class="line">449</span><br><span class="line">450</span><br><span class="line">451</span><br><span class="line">452</span><br><span class="line">453</span><br><span class="line">454</span><br><span class="line">455</span><br><span class="line">456</span><br><span class="line">457</span><br><span class="line">458</span><br><span class="line">459</span><br><span class="line">460</span><br><span class="line">461</span><br><span class="line">462</span><br><span class="line">463</span><br><span class="line">464</span><br><span class="line">465</span><br></pre></td><td class="code"><pre><span class="line"><span class="number">2020</span>-<span class="number">08</span>-<span class="number">02</span> <span class="number">21</span>:<span class="number">50</span>:<span class="number">32</span></span><br><span class="line"><span class="function">Full thread dump Java <span class="title">HotSpot</span><span class="params">(TM)</span> 64-Bit Server <span class="title">VM</span> <span class="params">(<span class="number">25.201</span>-b09 mixed mode)</span>:</span></span><br><span class="line"><span class="function"></span></span><br><span class="line"><span class="function">"DestroyJavaVM" #147 prio</span>=<span class="number">5</span> os_prio=<span class="number">31</span> tid=<span class="number">0x00007fc9dd807000</span> nid=<span class="number">0x2603</span> waiting on condition [<span class="number">0x0000000000000000</span>]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"mythread2" #140 prio=5 os_prio=31 tid=0x00007fc9dd877000 nid=0x9903 waiting on condition [0x0000700006fb9000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f5d4330</span>&gt; (a java.util.concurrent.locks.ReentrantLock$NonfairSync)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:<span class="number">836</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:<span class="number">870</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:<span class="number">1199</span>)</span><br><span class="line">        at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:<span class="number">209</span>)</span><br><span class="line">        at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:<span class="number">285</span>)</span><br><span class="line">        at com.nicksxs.thread_dump_demo.ThreadDumpDemoApplication$<span class="number">2</span>.run(ThreadDumpDemoApplication.java:<span class="number">34</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - &lt;<span class="number">0x000000076f5d4360</span>&gt; (a java.util.concurrent.locks.ReentrantLock$NonfairSync)</span><br><span class="line"></span><br><span class="line">"mythread1" #139 prio=5 os_prio=31 tid=0x00007fc9de873800 nid=0x9a03 waiting on condition [0x0000700006eb6000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f5d4360</span>&gt; (a java.util.concurrent.locks.ReentrantLock$NonfairSync)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:<span class="number">836</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:<span class="number">870</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:<span class="number">1199</span>)</span><br><span class="line">        at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:<span class="number">209</span>)</span><br><span class="line">        at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:<span class="number">285</span>)</span><br><span class="line">        at com.nicksxs.thread_dump_demo.ThreadDumpDemoApplication$<span class="number">1</span>.run(ThreadDumpDemoApplication.java:<span class="number">22</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - &lt;<span class="number">0x000000076f5d4330</span>&gt; (a java.util.concurrent.locks.ReentrantLock$NonfairSync)</span><br><span class="line"></span><br><span class="line">"http-nio-8080-Acceptor" #137 daemon prio=5 os_prio=31 tid=0x00007fc9de1ac000 nid=0x9b03 runnable [0x0000700006db3000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line">        at sun.nio.ch.ServerSocketChannelImpl.accept0(Native Method)</span><br><span class="line">        at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:<span class="number">422</span>)</span><br><span class="line">        at sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:<span class="number">250</span>)</span><br><span class="line">        - locked &lt;<span class="number">0x000000076f1e4820</span>&gt; (a java.lang.Object)</span><br><span class="line">        at org.apache.tomcat.util.net.NioEndpoint.serverSocketAccept(NioEndpoint.java:<span class="number">469</span>)</span><br><span class="line">        at org.apache.tomcat.util.net.NioEndpoint.serverSocketAccept(NioEndpoint.java:<span class="number">71</span>)</span><br><span class="line">        at org.apache.tomcat.util.net.Acceptor.run(Acceptor.java:<span class="number">95</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-ClientPoller" #136 daemon prio=5 os_prio=31 tid=0x00007fc9dd876800 nid=0x6503 runnable [0x0000700006cb0000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line">        at sun.nio.ch.KQueueArrayWrapper.kevent0(Native Method)</span><br><span class="line">        at sun.nio.ch.KQueueArrayWrapper.poll(KQueueArrayWrapper.java:<span class="number">198</span>)</span><br><span class="line">        at sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:<span class="number">117</span>)</span><br><span class="line">        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:<span class="number">86</span>)</span><br><span class="line">        - locked &lt;<span class="number">0x000000076f2978c8</span>&gt; (a sun.nio.ch.Util$<span class="number">3</span>)</span><br><span class="line">        - locked &lt;<span class="number">0x000000076f2978b8</span>&gt; (a java.util.Collections$UnmodifiableSet)</span><br><span class="line">        - locked &lt;<span class="number">0x000000076f297798</span>&gt; (a sun.nio.ch.KQueueSelectorImpl)</span><br><span class="line">        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:<span class="number">97</span>)</span><br><span class="line">        at org.apache.tomcat.util.net.NioEndpoint$Poller.run(NioEndpoint.java:<span class="number">709</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-exec-10" #135 daemon prio=5 os_prio=31 tid=0x00007fc9de1af000 nid=0x9d03 waiting on condition [0x0000700006bad000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f26aa00</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:<span class="number">442</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">107</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">33</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-exec-9" #134 daemon prio=5 os_prio=31 tid=0x00007fc9de1ab800 nid=0x6403 waiting on condition [0x0000700006aaa000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f26aa00</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:<span class="number">442</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">107</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">33</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-exec-8" #133 daemon prio=5 os_prio=31 tid=0x00007fc9de873000 nid=0x9f03 waiting on condition [0x00007000069a7000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f26aa00</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:<span class="number">442</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">107</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">33</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-exec-7" #132 daemon prio=5 os_prio=31 tid=0x00007fc9df0a1800 nid=0xa103 waiting on condition [0x00007000068a4000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f26aa00</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:<span class="number">442</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">107</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">33</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-exec-6" #131 daemon prio=5 os_prio=31 tid=0x00007fc9df242800 nid=0x6103 waiting on condition [0x00007000067a1000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f26aa00</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:<span class="number">442</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">107</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">33</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-exec-5" #130 daemon prio=5 os_prio=31 tid=0x00007fc9de872000 nid=0x5f03 waiting on condition [0x000070000669e000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f26aa00</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:<span class="number">442</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">107</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">33</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-exec-4" #129 daemon prio=5 os_prio=31 tid=0x00007fc9de1a6000 nid=0x5e03 waiting on condition [0x000070000659b000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f26aa00</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:<span class="number">442</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">107</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">33</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-exec-3" #128 daemon prio=5 os_prio=31 tid=0x00007fc9de871800 nid=0x5c03 waiting on condition [0x0000700006498000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f26aa00</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:<span class="number">442</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">107</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">33</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-exec-2" #127 daemon prio=5 os_prio=31 tid=0x00007fc9dead9000 nid=0x5b03 waiting on condition [0x0000700006395000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f26aa00</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:<span class="number">442</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">107</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">33</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-exec-1" #126 daemon prio=5 os_prio=31 tid=0x00007fc9ddb00000 nid=0x5a03 waiting on condition [0x0000700006292000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f26aa00</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:<span class="number">442</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">107</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:<span class="number">33</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"http-nio-8080-BlockPoller" #125 daemon prio=5 os_prio=31 tid=0x00007fc9df242000 nid=0xa503 runnable [0x000070000618f000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line">        at sun.nio.ch.KQueueArrayWrapper.kevent0(Native Method)</span><br><span class="line">        at sun.nio.ch.KQueueArrayWrapper.poll(KQueueArrayWrapper.java:<span class="number">198</span>)</span><br><span class="line">        at sun.nio.ch.KQueueSelectorImpl.doSelect(KQueueSelectorImpl.java:<span class="number">117</span>)</span><br><span class="line">        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:<span class="number">86</span>)</span><br><span class="line">        - locked &lt;<span class="number">0x000000076f1eea30</span>&gt; (a sun.nio.ch.Util$<span class="number">3</span>)</span><br><span class="line">        - locked &lt;<span class="number">0x000000076f1ee198</span>&gt; (a java.util.Collections$UnmodifiableSet)</span><br><span class="line">        - locked &lt;<span class="number">0x000000076f1ee010</span>&gt; (a sun.nio.ch.KQueueSelectorImpl)</span><br><span class="line">        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:<span class="number">97</span>)</span><br><span class="line">        at org.apache.tomcat.util.net.NioBlockingSelector$BlockPoller.run(NioBlockingSelector.java:<span class="number">313</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"container-0" #124 prio=5 os_prio=31 tid=0x00007fc9df06a000 nid=0x5803 waiting on condition [0x000070000608c000]</span><br><span class="line">   java.lang.Thread.State: TIMED_WAITING (sleeping)</span><br><span class="line">        at java.lang.Thread.sleep(Native Method)</span><br><span class="line">        at org.apache.catalina.core.StandardServer.await(StandardServer.java:<span class="number">570</span>)</span><br><span class="line">        at org.springframework.boot.web.embedded.tomcat.TomcatWebServer$<span class="number">1</span>.run(TomcatWebServer.java:<span class="number">197</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"Catalina-utility-2" #123 prio=1 os_prio=31 tid=0x00007fc9de886000 nid=0xa80f waiting on condition [0x0000700005f89000]</span><br><span class="line">   java.lang.Thread.State: WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076c88ab58</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:<span class="number">2039</span>)</span><br><span class="line">        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:<span class="number">1088</span>)</span><br><span class="line">        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:<span class="number">809</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"Catalina-utility-1" #122 prio=1 os_prio=31 tid=0x00007fc9de884000 nid=0x5667 waiting on condition [0x0000700005e86000]</span><br><span class="line">   java.lang.Thread.State: TIMED_WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076c88ab58</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:<span class="number">215</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:<span class="number">2078</span>)</span><br><span class="line">        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:<span class="number">1093</span>)</span><br><span class="line">        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:<span class="number">809</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:<span class="number">61</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"RMI Scheduler(0)" #15 daemon prio=5 os_prio=31 tid=0x00007fc9de9ee000 nid=0x5503 waiting on condition [0x0000700005d83000]</span><br><span class="line">   java.lang.Thread.State: TIMED_WAITING (parking)</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x00000006c0015410</span>&gt; (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:<span class="number">215</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:<span class="number">2078</span>)</span><br><span class="line">        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:<span class="number">1093</span>)</span><br><span class="line">        at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:<span class="number">809</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:<span class="number">1074</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:<span class="number">1134</span>)</span><br><span class="line">        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:<span class="number">624</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"Attach Listener" #13 daemon prio=9 os_prio=31 tid=0x00007fc9df149800 nid=0x3c07 waiting on condition [0x0000000000000000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"RMI TCP Accept-0" #11 daemon prio=5 os_prio=31 tid=0x00007fc9df100000 nid=0x4003 runnable [0x0000700005977000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line">        at java.net.PlainSocketImpl.socketAccept(Native Method)</span><br><span class="line">        at java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:<span class="number">409</span>)</span><br><span class="line">        at java.net.ServerSocket.implAccept(ServerSocket.java:<span class="number">545</span>)</span><br><span class="line">        at java.net.ServerSocket.accept(ServerSocket.java:<span class="number">513</span>)</span><br><span class="line">        at sun.management.jmxremote.LocalRMIServerSocketFactory$<span class="number">1</span>.accept(LocalRMIServerSocketFactory.java:<span class="number">52</span>)</span><br><span class="line">        at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:<span class="number">405</span>)</span><br><span class="line">        at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:<span class="number">377</span>)</span><br><span class="line">        at java.lang.Thread.run(Thread.java:<span class="number">748</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"Service Thread" #9 daemon prio=9 os_prio=31 tid=0x00007fc9df0ce800 nid=0x4103 runnable [0x0000000000000000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"C1 CompilerThread2" #8 daemon prio=9 os_prio=31 tid=0x00007fc9df0ce000 nid=0x4203 waiting on condition [0x0000000000000000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"C2 CompilerThread1" #7 daemon prio=9 os_prio=31 tid=0x00007fc9de0a3800 nid=0x3503 waiting on condition [0x0000000000000000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"C2 CompilerThread0" #6 daemon prio=9 os_prio=31 tid=0x00007fc9de89b000 nid=0x3403 waiting on condition [0x0000000000000000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"Monitor Ctrl-Break" #5 daemon prio=5 os_prio=31 tid=0x00007fc9df0ca000 nid=0x3303 runnable [0x0000700005468000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line">        at java.net.SocketInputStream.socketRead0(Native Method)</span><br><span class="line">        at java.net.SocketInputStream.socketRead(SocketInputStream.java:<span class="number">116</span>)</span><br><span class="line">        at java.net.SocketInputStream.read(SocketInputStream.java:<span class="number">171</span>)</span><br><span class="line">        at java.net.SocketInputStream.read(SocketInputStream.java:<span class="number">141</span>)</span><br><span class="line">        at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:<span class="number">284</span>)</span><br><span class="line">        at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:<span class="number">326</span>)</span><br><span class="line">        at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:<span class="number">178</span>)</span><br><span class="line">        - locked &lt;<span class="number">0x00000006c001b760</span>&gt; (a java.io.InputStreamReader)</span><br><span class="line">        at java.io.InputStreamReader.read(InputStreamReader.java:<span class="number">184</span>)</span><br><span class="line">        at java.io.BufferedReader.fill(BufferedReader.java:<span class="number">161</span>)</span><br><span class="line">        at java.io.BufferedReader.readLine(BufferedReader.java:<span class="number">324</span>)</span><br><span class="line">        - locked &lt;<span class="number">0x00000006c001b760</span>&gt; (a java.io.InputStreamReader)</span><br><span class="line">        at java.io.BufferedReader.readLine(BufferedReader.java:<span class="number">389</span>)</span><br><span class="line">        at com.intellij.rt.execution.application.AppMainV2$<span class="number">1</span>.run(AppMainV2.java:<span class="number">64</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"Signal Dispatcher" #4 daemon prio=9 os_prio=31 tid=0x00007fc9de824000 nid=0x4503 runnable [0x0000000000000000]</span><br><span class="line">   java.lang.Thread.State: RUNNABLE</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"Finalizer" #3 daemon prio=8 os_prio=31 tid=0x00007fc9dd811800 nid=0x4f03 in Object.wait() [0x0000700005262000]</span><br><span class="line">   java.lang.Thread.State: WAITING (on object monitor)</span><br><span class="line">        at java.lang.Object.wait(Native Method)</span><br><span class="line">        - waiting on &lt;<span class="number">0x00000006c0008348</span>&gt; (a java.lang.ref.ReferenceQueue$Lock)</span><br><span class="line">        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:<span class="number">144</span>)</span><br><span class="line">        - locked &lt;<span class="number">0x00000006c0008348</span>&gt; (a java.lang.ref.ReferenceQueue$Lock)</span><br><span class="line">        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:<span class="number">165</span>)</span><br><span class="line">        at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:<span class="number">216</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line">"Reference Handler" #2 daemon prio=10 os_prio=31 tid=0x00007fc9de02a000 nid=0x5003 in Object.wait() [0x000070000515f000]</span><br><span class="line">   java.lang.Thread.State: WAITING (on object monitor)</span><br><span class="line">        at java.lang.Object.wait(Native Method)</span><br><span class="line">        - waiting on &lt;<span class="number">0x00000006c001b940</span>&gt; (a java.lang.ref.Reference$Lock)</span><br><span class="line">        at java.lang.Object.wait(Object.java:<span class="number">502</span>)</span><br><span class="line">        at java.lang.ref.Reference.tryHandlePending(Reference.java:<span class="number">191</span>)</span><br><span class="line">        - locked &lt;<span class="number">0x00000006c001b940</span>&gt; (a java.lang.ref.Reference$Lock)</span><br><span class="line">        at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:<span class="number">153</span>)</span><br><span class="line"></span><br><span class="line">   Locked ownable synchronizers:</span><br><span class="line">        - None</span><br><span class="line"></span><br><span class="line"><span class="string">"VM Thread"</span> os_prio=<span class="number">31</span> tid=<span class="number">0x00007fc9df00b800</span> nid=<span class="number">0x2c03</span> runnable </span><br><span class="line"></span><br><span class="line"><span class="string">"GC task thread#0 (ParallelGC)"</span> os_prio=<span class="number">31</span> tid=<span class="number">0x00007fc9de805000</span> nid=<span class="number">0x1e07</span> runnable </span><br><span class="line"></span><br><span class="line"><span class="string">"GC task thread#1 (ParallelGC)"</span> os_prio=<span class="number">31</span> tid=<span class="number">0x00007fc9de003800</span> nid=<span class="number">0x2a03</span> runnable </span><br><span class="line"></span><br><span class="line"><span class="string">"GC task thread#2 (ParallelGC)"</span> os_prio=<span class="number">31</span> tid=<span class="number">0x00007fc9df002000</span> nid=<span class="number">0x5403</span> runnable </span><br><span class="line"></span><br><span class="line"><span class="string">"GC task thread#3 (ParallelGC)"</span> os_prio=<span class="number">31</span> tid=<span class="number">0x00007fc9df002800</span> nid=<span class="number">0x5203</span> runnable </span><br><span class="line"></span><br><span class="line"><span class="string">"VM Periodic Task Thread"</span> os_prio=<span class="number">31</span> tid=<span class="number">0x00007fc9df11a800</span> nid=<span class="number">0x3a03</span> waiting on condition </span><br><span class="line"></span><br><span class="line">JNI global references: <span class="number">1087</span></span><br><span class="line"></span><br><span class="line"></span><br><span class="line">Found one Java-level deadlock:</span><br><span class="line">=============================</span><br><span class="line"><span class="string">"mythread2"</span>:</span><br><span class="line">  waiting <span class="keyword">for</span> ownable synchronizer <span class="number">0x000000076f5d4330</span>, (a java.util.concurrent.locks.ReentrantLock$NonfairSync),</span><br><span class="line">  which is held by <span class="string">"mythread1"</span></span><br><span class="line"><span class="string">"mythread1"</span>:</span><br><span class="line">  waiting <span class="keyword">for</span> ownable synchronizer <span class="number">0x000000076f5d4360</span>, (a java.util.concurrent.locks.ReentrantLock$NonfairSync),</span><br><span class="line">  which is held by <span class="string">"mythread2"</span></span><br><span class="line"></span><br><span class="line">Java stack information <span class="keyword">for</span> the threads listed above:</span><br><span class="line">===================================================</span><br><span class="line"><span class="string">"mythread2"</span>:</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f5d4330</span>&gt; (a java.util.concurrent.locks.ReentrantLock$NonfairSync)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:<span class="number">836</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:<span class="number">870</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:<span class="number">1199</span>)</span><br><span class="line">        at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:<span class="number">209</span>)</span><br><span class="line">        at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:<span class="number">285</span>)</span><br><span class="line">        at com.nicksxs.thread_dump_demo.ThreadDumpDemoApplication$<span class="number">2</span>.run(ThreadDumpDemoApplication.java:<span class="number">34</span>)</span><br><span class="line"><span class="string">"mythread1"</span>:</span><br><span class="line">        at sun.misc.Unsafe.park(Native Method)</span><br><span class="line">        - parking to wait <span class="keyword">for</span>  &lt;<span class="number">0x000000076f5d4360</span>&gt; (a java.util.concurrent.locks.ReentrantLock$NonfairSync)</span><br><span class="line">        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:<span class="number">175</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:<span class="number">836</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:<span class="number">870</span>)</span><br><span class="line">        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:<span class="number">1199</span>)</span><br><span class="line">        at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:<span class="number">209</span>)</span><br><span class="line">        at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:<span class="number">285</span>)</span><br><span class="line">        at com.nicksxs.thread_dump_demo.ThreadDumpDemoApplication$<span class="number">1</span>.run(ThreadDumpDemoApplication.java:<span class="number">22</span>)</span><br><span class="line"></span><br><span class="line">Found <span class="number">1</span> deadlock.</span><br></pre></td></tr></table></figure>
+<p>前面的信息其实上次就看过了，后面就可以发现有个死锁了，<br><img data-src="https://gitee.com/nicksxs/images/raw/master/uPic/a1I2vj.png" alt=""><br>上面比较长，把主要的截出来，就是这边的，这点就很强大了。</p>
+<h3 id="jmap"><a href="#jmap" class="headerlink" title="jmap"></a>jmap</h3><p>惯例还是看一下帮助信息<br><img data-src="https://gitee.com/nicksxs/images/raw/master/uPic/dBiPqS.png" alt=""><br>这个相对命令比较多，不过因为现在 dump 下来我们可能会用文件模式，然后将文件下载下来使用 mat 进行分析，所以可以使用<br><code>jmap -dump:live,format=b,file=heap.bin &lt;pid&gt;</code><br>命令照着上面看的就是打印活着的对象，然后以二进制格式，文件名叫 heap.bin 然后最后就是进程 id，打印出来以后可以用 mat 打开<br><img data-src="https://gitee.com/nicksxs/images/raw/master/uPic/NRWowU.png" alt=""><br>这样就可以很清晰的看到应用里的各种信息，jmap 直接在命令中还可以看很多信息，比如使用<code>jmap -histo &lt;pid&gt;</code>打印对象的实例数和对象占用的内存<br><img data-src="https://gitee.com/nicksxs/images/raw/master/uPic/1GTBrY.png" alt=""><br><code>jmap -finalizerinfo &lt;pid&gt;</code> 打印正在等候回收的对象<br><img data-src="https://gitee.com/nicksxs/images/raw/master/uPic/Tb8uHP.png" alt=""></p>
+<h4 id="小tips"><a href="#小tips" class="headerlink" title="小tips"></a>小tips</h4><p>对于一些应用内存已经占满了，jstack 和 jmap 可能会连不上的情况，可以使用<code>-F</code>参数强制打印线程或者 dump 文件，但是要注意这两者使用的用户必须与 java 进程启动用户一致，并且使用的 jdk 也要一致</p>
+
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@@ -725,158 +835,10 @@
   
   
 
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-            <a href="/2020/06/26/%E8%81%8A%E4%B8%80%E4%B8%8B-RocketMQ-%E7%9A%84-Consumer/" class="post-title-link" itemprop="url">聊一下 RocketMQ 的 DefaultMQPushConsumer 源码</a>
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-          <p>首先看下官方的小 demo</p>
-<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title">main</span><span class="params">(String[] args)</span> <span class="keyword">throws</span> InterruptedException, MQClientException </span>&#123;</span><br><span class="line"></span><br><span class="line">        <span class="comment">/*</span></span><br><span class="line"><span class="comment">         * Instantiate with specified consumer group name.</span></span><br><span class="line"><span class="comment">         * 首先是new 一个对象出来，然后指定 Consumer 的 Group</span></span><br><span class="line"><span class="comment">         * 同一类Consumer的集合，这类Consumer通常消费同一类消息且消费逻辑一致。消费者组使得在消息消费方面，实现负载均衡和容错的目标变得非常容易。要注意的是，消费者组的消费者实例必须订阅完全相同的Topic。RocketMQ 支持两种消息模式：集群消费（Clustering）和广播消费（Broadcasting）。</span></span><br><span class="line"><span class="comment">         */</span></span><br><span class="line">        DefaultMQPushConsumer consumer = <span class="keyword">new</span> DefaultMQPushConsumer(<span class="string">"please_rename_unique_group_name_4"</span>);</span><br><span class="line"></span><br><span class="line">        <span class="comment">/*</span></span><br><span class="line"><span class="comment">         * Specify name server addresses.</span></span><br><span class="line"><span class="comment">         * &lt;p/&gt;</span></span><br><span class="line"><span class="comment">         * 这里可以通知指定环境变量或者设置对象参数的形式指定名字空间服务的地址</span></span><br><span class="line"><span class="comment">         *</span></span><br><span class="line"><span class="comment">         * Alternatively, you may specify name server addresses via exporting environmental variable: NAMESRV_ADDR</span></span><br><span class="line"><span class="comment">         * &lt;pre&gt;</span></span><br><span class="line"><span class="comment">         * &#123;@code</span></span><br><span class="line"><span class="comment">         * consumer.setNamesrvAddr("name-server1-ip:9876;name-server2-ip:9876");</span></span><br><span class="line"><span class="comment">         * &#125;</span></span><br><span class="line"><span class="comment">         * &lt;/pre&gt;</span></span><br><span class="line"><span class="comment">         */</span></span><br><span class="line"></span><br><span class="line">        <span class="comment">/*</span></span><br><span class="line"><span class="comment">         * Specify where to start in case the specified consumer group is a brand new one.</span></span><br><span class="line"><span class="comment">         * 指定消费起始点</span></span><br><span class="line"><span class="comment">         */</span></span><br><span class="line">        consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);</span><br><span class="line"></span><br><span class="line">        <span class="comment">/*</span></span><br><span class="line"><span class="comment">         * Subscribe one more more topics to consume.</span></span><br><span class="line"><span class="comment">         * 指定订阅的 topic 跟 tag，注意后面的是个表达式，可以以 tag1 || tag2 || tag3 传入</span></span><br><span class="line"><span class="comment">         */</span></span><br><span class="line">        consumer.subscribe(<span class="string">"TopicTest"</span>, <span class="string">"*"</span>);</span><br><span class="line"></span><br><span class="line">        <span class="comment">/*</span></span><br><span class="line"><span class="comment">         *  Register callback to execute on arrival of messages fetched from brokers.</span></span><br><span class="line"><span class="comment">         *  注册具体获得消息后的处理方法</span></span><br><span class="line"><span class="comment">         */</span></span><br><span class="line">        consumer.registerMessageListener(<span class="keyword">new</span> MessageListenerConcurrently() &#123;</span><br><span class="line"></span><br><span class="line">            <span class="meta">@Override</span></span><br><span class="line">            <span class="function"><span class="keyword">public</span> ConsumeConcurrentlyStatus <span class="title">consumeMessage</span><span class="params">(List&lt;MessageExt&gt; msgs,</span></span></span><br><span class="line"><span class="function"><span class="params">                ConsumeConcurrentlyContext context)</span> </span>&#123;</span><br><span class="line">                System.out.printf(<span class="string">"%s Receive New Messages: %s %n"</span>, Thread.currentThread().getName(), msgs);</span><br><span class="line">                <span class="keyword">return</span> ConsumeConcurrentlyStatus.CONSUME_SUCCESS;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;);</span><br><span class="line"></span><br><span class="line">        <span class="comment">/*</span></span><br><span class="line"><span class="comment">         *  Launch the consumer instance.</span></span><br><span class="line"><span class="comment">         * 启动消费者</span></span><br><span class="line"><span class="comment">         */</span></span><br><span class="line">        consumer.start();</span><br><span class="line"></span><br><span class="line">        System.out.printf(<span class="string">"Consumer Started.%n"</span>);</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
-
-<p>然后就是看看 start 的过程了</p>
-<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment">     * This method gets internal infrastructure readily to serve. Instances must call this method after configuration.</span></span><br><span class="line"><span class="comment">     *</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@throws</span> MQClientException if there is any client error.</span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@Override</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">start</span><span class="params">()</span> <span class="keyword">throws</span> MQClientException </span>&#123;</span><br><span class="line">        setConsumerGroup(NamespaceUtil.wrapNamespace(<span class="keyword">this</span>.getNamespace(), <span class="keyword">this</span>.consumerGroup));</span><br><span class="line">        <span class="keyword">this</span>.defaultMQPushConsumerImpl.start();</span><br><span class="line">        <span class="keyword">if</span> (<span class="keyword">null</span> != traceDispatcher) &#123;</span><br><span class="line">            <span class="keyword">try</span> &#123;</span><br><span class="line">                traceDispatcher.start(<span class="keyword">this</span>.getNamesrvAddr(), <span class="keyword">this</span>.getAccessChannel());</span><br><span class="line">            &#125; <span class="keyword">catch</span> (MQClientException e) &#123;</span><br><span class="line">                log.warn(<span class="string">"trace dispatcher start failed "</span>, e);</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
-<p>具体的逻辑在<code>this.defaultMQPushConsumerImpl.start()</code>，这个 defaultMQPushConsumerImpl 就是</p>
-<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment">     * Internal implementation. Most of the functions herein are delegated to it.</span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="keyword">protected</span> <span class="keyword">final</span> <span class="keyword">transient</span> DefaultMQPushConsumerImpl defaultMQPushConsumerImpl;</span><br></pre></td></tr></table></figure>
-
-<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">public</span> <span class="keyword">synchronized</span> <span class="keyword">void</span> <span class="title">start</span><span class="params">()</span> <span class="keyword">throws</span> MQClientException </span>&#123;</span><br><span class="line">        <span class="keyword">switch</span> (<span class="keyword">this</span>.serviceState) &#123;</span><br><span class="line">            <span class="keyword">case</span> CREATE_JUST:</span><br><span class="line">                log.info(<span class="string">"the consumer [&#123;&#125;] start beginning. messageModel=&#123;&#125;, isUnitMode=&#123;&#125;"</span>, <span class="keyword">this</span>.defaultMQPushConsumer.getConsumerGroup(),</span><br><span class="line">                    <span class="keyword">this</span>.defaultMQPushConsumer.getMessageModel(), <span class="keyword">this</span>.defaultMQPushConsumer.isUnitMode());</span><br><span class="line">                <span class="comment">// 这里比较巧妙，相当于想设立了个屏障，防止并发启动，不过这里并不是悲观锁，也不算个严格的乐观锁</span></span><br><span class="line">                <span class="keyword">this</span>.serviceState = ServiceState.START_FAILED;</span><br><span class="line"></span><br><span class="line">                <span class="keyword">this</span>.checkConfig();</span><br><span class="line"></span><br><span class="line">                <span class="keyword">this</span>.copySubscription();</span><br><span class="line"></span><br><span class="line">                <span class="keyword">if</span> (<span class="keyword">this</span>.defaultMQPushConsumer.getMessageModel() == MessageModel.CLUSTERING) &#123;</span><br><span class="line">                    <span class="keyword">this</span>.defaultMQPushConsumer.changeInstanceNameToPID();</span><br><span class="line">                &#125;</span><br><span class="line"></span><br><span class="line">                <span class="comment">// 这个mQClientFactory，负责管理client（consumer、producer），并提供多中功能接口供各个Service（Rebalance、PullMessage等）调用；大部分逻辑均在这个类中完成</span></span><br><span class="line">                <span class="keyword">this</span>.mQClientFactory = MQClientManager.getInstance().getOrCreateMQClientInstance(<span class="keyword">this</span>.defaultMQPushConsumer, <span class="keyword">this</span>.rpcHook);</span><br><span class="line"></span><br><span class="line">                <span class="comment">// 这个 rebalanceImpl 主要负责决定，当前的consumer应该从哪些Queue中消费消息；</span></span><br><span class="line">                <span class="keyword">this</span>.rebalanceImpl.setConsumerGroup(<span class="keyword">this</span>.defaultMQPushConsumer.getConsumerGroup());</span><br><span class="line">                <span class="keyword">this</span>.rebalanceImpl.setMessageModel(<span class="keyword">this</span>.defaultMQPushConsumer.getMessageModel());</span><br><span class="line">                <span class="keyword">this</span>.rebalanceImpl.setAllocateMessageQueueStrategy(<span class="keyword">this</span>.defaultMQPushConsumer.getAllocateMessageQueueStrategy());</span><br><span class="line">                <span class="keyword">this</span>.rebalanceImpl.setmQClientFactory(<span class="keyword">this</span>.mQClientFactory);</span><br><span class="line"></span><br><span class="line">                <span class="comment">// 长连接，负责从broker处拉取消息，然后利用ConsumeMessageService回调用户的Listener执行消息消费逻辑</span></span><br><span class="line">                <span class="keyword">this</span>.pullAPIWrapper = <span class="keyword">new</span> PullAPIWrapper(</span><br><span class="line">                    mQClientFactory,</span><br><span class="line">                    <span class="keyword">this</span>.defaultMQPushConsumer.getConsumerGroup(), isUnitMode());</span><br><span class="line">                <span class="keyword">this</span>.pullAPIWrapper.registerFilterMessageHook(filterMessageHookList);</span><br><span class="line"></span><br><span class="line">                <span class="keyword">if</span> (<span class="keyword">this</span>.defaultMQPushConsumer.getOffsetStore() != <span class="keyword">null</span>) &#123;</span><br><span class="line">                    <span class="keyword">this</span>.offsetStore = <span class="keyword">this</span>.defaultMQPushConsumer.getOffsetStore();</span><br><span class="line">                &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                    <span class="keyword">switch</span> (<span class="keyword">this</span>.defaultMQPushConsumer.getMessageModel()) &#123;</span><br><span class="line">                        <span class="keyword">case</span> BROADCASTING:</span><br><span class="line">                            <span class="keyword">this</span>.offsetStore = <span class="keyword">new</span> LocalFileOffsetStore(<span class="keyword">this</span>.mQClientFactory, <span class="keyword">this</span>.defaultMQPushConsumer.getConsumerGroup());</span><br><span class="line">                            <span class="keyword">break</span>;</span><br><span class="line">                        <span class="keyword">case</span> CLUSTERING:</span><br><span class="line">                            <span class="keyword">this</span>.offsetStore = <span class="keyword">new</span> RemoteBrokerOffsetStore(<span class="keyword">this</span>.mQClientFactory, <span class="keyword">this</span>.defaultMQPushConsumer.getConsumerGroup());</span><br><span class="line">                            <span class="keyword">break</span>;</span><br><span class="line">                        <span class="keyword">default</span>:</span><br><span class="line">                            <span class="keyword">break</span>;</span><br><span class="line">                    &#125;</span><br><span class="line">                    <span class="keyword">this</span>.defaultMQPushConsumer.setOffsetStore(<span class="keyword">this</span>.offsetStore);</span><br><span class="line">                &#125;</span><br><span class="line">                <span class="comment">// offsetStore 维护当前consumer的消费记录（offset）；有两种实现，Local和Rmote，Local存储在本地磁盘上，适用于BROADCASTING广播消费模式；而Remote则将消费进度存储在Broker上，适用于CLUSTERING集群消费模式；</span></span><br><span class="line">                <span class="keyword">this</span>.offsetStore.load();</span><br><span class="line"></span><br><span class="line">                <span class="keyword">if</span> (<span class="keyword">this</span>.getMessageListenerInner() <span class="keyword">instanceof</span> MessageListenerOrderly) &#123;</span><br><span class="line">                    <span class="keyword">this</span>.consumeOrderly = <span class="keyword">true</span>;</span><br><span class="line">                    <span class="keyword">this</span>.consumeMessageService =</span><br><span class="line">                        <span class="keyword">new</span> ConsumeMessageOrderlyService(<span class="keyword">this</span>, (MessageListenerOrderly) <span class="keyword">this</span>.getMessageListenerInner());</span><br><span class="line">                &#125; <span class="keyword">else</span> <span class="keyword">if</span> (<span class="keyword">this</span>.getMessageListenerInner() <span class="keyword">instanceof</span> MessageListenerConcurrently) &#123;</span><br><span class="line">                    <span class="keyword">this</span>.consumeOrderly = <span class="keyword">false</span>;</span><br><span class="line">                    <span class="keyword">this</span>.consumeMessageService =</span><br><span class="line">                        <span class="keyword">new</span> ConsumeMessageConcurrentlyService(<span class="keyword">this</span>, (MessageListenerConcurrently) <span class="keyword">this</span>.getMessageListenerInner());</span><br><span class="line">                &#125;</span><br><span class="line"></span><br><span class="line">                <span class="comment">// 实现所谓的"Push-被动"消费机制；从Broker拉取的消息后，封装成ConsumeRequest提交给ConsumeMessageSerivce，此service负责回调用户的Listener消费消息；</span></span><br><span class="line">                <span class="keyword">this</span>.consumeMessageService.start();</span><br><span class="line"></span><br><span class="line">                <span class="keyword">boolean</span> registerOK = mQClientFactory.registerConsumer(<span class="keyword">this</span>.defaultMQPushConsumer.getConsumerGroup(), <span class="keyword">this</span>);</span><br><span class="line">                <span class="keyword">if</span> (!registerOK) &#123;</span><br><span class="line">                    <span class="keyword">this</span>.serviceState = ServiceState.CREATE_JUST;</span><br><span class="line">                    <span class="keyword">this</span>.consumeMessageService.shutdown();</span><br><span class="line">                    <span class="keyword">throw</span> <span class="keyword">new</span> MQClientException(<span class="string">"The consumer group["</span> + <span class="keyword">this</span>.defaultMQPushConsumer.getConsumerGroup()</span><br><span class="line">                        + <span class="string">"] has been created before, specify another name please."</span> + FAQUrl.suggestTodo(FAQUrl.GROUP_NAME_DUPLICATE_URL),</span><br><span class="line">                        <span class="keyword">null</span>);</span><br><span class="line">                &#125;</span><br><span class="line"></span><br><span class="line">                mQClientFactory.start();</span><br><span class="line">                log.info(<span class="string">"the consumer [&#123;&#125;] start OK."</span>, <span class="keyword">this</span>.defaultMQPushConsumer.getConsumerGroup());</span><br><span class="line">                <span class="keyword">this</span>.serviceState = ServiceState.RUNNING;</span><br><span class="line">                <span class="keyword">break</span>;</span><br><span class="line">            <span class="keyword">case</span> RUNNING:</span><br><span class="line">            <span class="keyword">case</span> START_FAILED:</span><br><span class="line">            <span class="keyword">case</span> SHUTDOWN_ALREADY:</span><br><span class="line">                <span class="keyword">throw</span> <span class="keyword">new</span> MQClientException(<span class="string">"The PushConsumer service state not OK, maybe started once, "</span></span><br><span class="line">                    + <span class="keyword">this</span>.serviceState</span><br><span class="line">                    + FAQUrl.suggestTodo(FAQUrl.CLIENT_SERVICE_NOT_OK),</span><br><span class="line">                    <span class="keyword">null</span>);</span><br><span class="line">            <span class="keyword">default</span>:</span><br><span class="line">                <span class="keyword">break</span>;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="keyword">this</span>.updateTopicSubscribeInfoWhenSubscriptionChanged();</span><br><span class="line">        <span class="keyword">this</span>.mQClientFactory.checkClientInBroker();</span><br><span class="line">        <span class="keyword">this</span>.mQClientFactory.sendHeartbeatToAllBrokerWithLock();</span><br><span class="line">        <span class="keyword">this</span>.mQClientFactory.rebalanceImmediately();</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
-<p>然后我们往下看主要的目光聚焦<code>mQClientFactory.start()</code></p>
-<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">start</span><span class="params">()</span> <span class="keyword">throws</span> MQClientException </span>&#123;</span><br><span class="line"></span><br><span class="line">        <span class="keyword">synchronized</span> (<span class="keyword">this</span>) &#123;</span><br><span class="line">            <span class="keyword">switch</span> (<span class="keyword">this</span>.serviceState) &#123;</span><br><span class="line">                <span class="keyword">case</span> CREATE_JUST:</span><br><span class="line">                    <span class="keyword">this</span>.serviceState = ServiceState.START_FAILED;</span><br><span class="line">                    <span class="comment">// If not specified,looking address from name server</span></span><br><span class="line">                    <span class="keyword">if</span> (<span class="keyword">null</span> == <span class="keyword">this</span>.clientConfig.getNamesrvAddr()) &#123;</span><br><span class="line">                        <span class="keyword">this</span>.mQClientAPIImpl.fetchNameServerAddr();</span><br><span class="line">                    &#125;</span><br><span class="line">                    <span class="comment">// Start request-response channel</span></span><br><span class="line">                    <span class="comment">// 这里主要是初始化了个网络客户端</span></span><br><span class="line">                    <span class="keyword">this</span>.mQClientAPIImpl.start();</span><br><span class="line">                    <span class="comment">// Start various schedule tasks</span></span><br><span class="line">                    <span class="comment">// 定时任务</span></span><br><span class="line">                    <span class="keyword">this</span>.startScheduledTask();</span><br><span class="line">                    <span class="comment">// Start pull service</span></span><br><span class="line">                    <span class="comment">// 这里重点说下</span></span><br><span class="line">                    <span class="keyword">this</span>.pullMessageService.start();</span><br><span class="line">                    <span class="comment">// Start rebalance service</span></span><br><span class="line">                    <span class="keyword">this</span>.rebalanceService.start();</span><br><span class="line">                    <span class="comment">// Start push service</span></span><br><span class="line">                    <span class="keyword">this</span>.defaultMQProducer.getDefaultMQProducerImpl().start(<span class="keyword">false</span>);</span><br><span class="line">                    log.info(<span class="string">"the client factory [&#123;&#125;] start OK"</span>, <span class="keyword">this</span>.clientId);</span><br><span class="line">                    <span class="keyword">this</span>.serviceState = ServiceState.RUNNING;</span><br><span class="line">                    <span class="keyword">break</span>;</span><br><span class="line">                <span class="keyword">case</span> START_FAILED:</span><br><span class="line">                    <span class="keyword">throw</span> <span class="keyword">new</span> MQClientException(<span class="string">"The Factory object["</span> + <span class="keyword">this</span>.getClientId() + <span class="string">"] has been created before, and failed."</span>, <span class="keyword">null</span>);</span><br><span class="line">                <span class="keyword">default</span>:</span><br><span class="line">                    <span class="keyword">break</span>;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
-<p>我们来看下这个 pullMessageService，org.apache.rocketmq.client.impl.consumer.PullMessageService，<br><img data-src="https://mystore-1255223546.cos.ap-chengdu.myqcloud.com/uPic/QdeiVv.png" alt=""><br>实现了 runnable 接口，<br>然后可以看到 run 方法</p>
-<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">run</span><span class="params">()</span> </span>&#123;</span><br><span class="line">        log.info(<span class="keyword">this</span>.getServiceName() + <span class="string">" service started"</span>);</span><br><span class="line"></span><br><span class="line">        <span class="keyword">while</span> (!<span class="keyword">this</span>.isStopped()) &#123;</span><br><span class="line">            <span class="keyword">try</span> &#123;</span><br><span class="line">                PullRequest pullRequest = <span class="keyword">this</span>.pullRequestQueue.take();</span><br><span class="line">                <span class="keyword">this</span>.pullMessage(pullRequest);</span><br><span class="line">            &#125; <span class="keyword">catch</span> (InterruptedException ignored) &#123;</span><br><span class="line">            &#125; <span class="keyword">catch</span> (Exception e) &#123;</span><br><span class="line">                log.error(<span class="string">"Pull Message Service Run Method exception"</span>, e);</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        log.info(<span class="keyword">this</span>.getServiceName() + <span class="string">" service end"</span>);</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
-<p>接着在看 pullMessage 方法</p>
-<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">private</span> <span class="keyword">void</span> <span class="title">pullMessage</span><span class="params">(<span class="keyword">final</span> PullRequest pullRequest)</span> </span>&#123;</span><br><span class="line">        <span class="keyword">final</span> MQConsumerInner consumer = <span class="keyword">this</span>.mQClientFactory.selectConsumer(pullRequest.getConsumerGroup());</span><br><span class="line">        <span class="keyword">if</span> (consumer != <span class="keyword">null</span>) &#123;</span><br><span class="line">            DefaultMQPushConsumerImpl impl = (DefaultMQPushConsumerImpl) consumer;</span><br><span class="line">            impl.pullMessage(pullRequest);</span><br><span class="line">        &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">            log.warn(<span class="string">"No matched consumer for the PullRequest &#123;&#125;, drop it"</span>, pullRequest);</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
-<p>实际上调用了这个方法，这个方法很长，我在代码里注释下下每一段的功能</p>
-<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br><span class="line">92</span><br><span class="line">93</span><br><span class="line">94</span><br><span class="line">95</span><br><span class="line">96</span><br><span class="line">97</span><br><span class="line">98</span><br><span class="line">99</span><br><span class="line">100</span><br><span class="line">101</span><br><span class="line">102</span><br><span class="line">103</span><br><span class="line">104</span><br><span class="line">105</span><br><span class="line">106</span><br><span class="line">107</span><br><span class="line">108</span><br><span class="line">109</span><br><span class="line">110</span><br><span class="line">111</span><br><span class="line">112</span><br><span class="line">113</span><br><span class="line">114</span><br><span class="line">115</span><br><span class="line">116</span><br><span class="line">117</span><br><span class="line">118</span><br><span class="line">119</span><br><span class="line">120</span><br><span class="line">121</span><br><span class="line">122</span><br><span class="line">123</span><br><span class="line">124</span><br><span class="line">125</span><br><span class="line">126</span><br><span class="line">127</span><br><span class="line">128</span><br><span class="line">129</span><br><span class="line">130</span><br><span class="line">131</span><br><span class="line">132</span><br><span class="line">133</span><br><span class="line">134</span><br><span class="line">135</span><br><span class="line">136</span><br><span class="line">137</span><br><span class="line">138</span><br><span class="line">139</span><br><span class="line">140</span><br><span class="line">141</span><br><span class="line">142</span><br><span class="line">143</span><br><span class="line">144</span><br><span class="line">145</span><br><span class="line">146</span><br><span class="line">147</span><br><span class="line">148</span><br><span class="line">149</span><br><span class="line">150</span><br><span class="line">151</span><br><span class="line">152</span><br><span class="line">153</span><br><span class="line">154</span><br><span class="line">155</span><br><span class="line">156</span><br><span class="line">157</span><br><span class="line">158</span><br><span class="line">159</span><br><span class="line">160</span><br><span class="line">161</span><br><span class="line">162</span><br><span class="line">163</span><br><span class="line">164</span><br><span class="line">165</span><br><span class="line">166</span><br><span class="line">167</span><br><span class="line">168</span><br><span class="line">169</span><br><span class="line">170</span><br><span class="line">171</span><br><span class="line">172</span><br><span class="line">173</span><br><span class="line">174</span><br><span class="line">175</span><br><span class="line">176</span><br><span class="line">177</span><br><span class="line">178</span><br><span class="line">179</span><br><span class="line">180</span><br><span class="line">181</span><br><span class="line">182</span><br><span class="line">183</span><br><span class="line">184</span><br><span class="line">185</span><br><span class="line">186</span><br><span class="line">187</span><br><span class="line">188</span><br><span class="line">189</span><br><span class="line">190</span><br><span class="line">191</span><br><span class="line">192</span><br><span class="line">193</span><br><span class="line">194</span><br><span class="line">195</span><br><span class="line">196</span><br><span class="line">197</span><br><span class="line">198</span><br><span class="line">199</span><br><span class="line">200</span><br><span class="line">201</span><br><span class="line">202</span><br><span class="line">203</span><br><span class="line">204</span><br><span class="line">205</span><br><span class="line">206</span><br><span class="line">207</span><br><span class="line">208</span><br><span class="line">209</span><br><span class="line">210</span><br><span class="line">211</span><br><span class="line">212</span><br><span class="line">213</span><br><span class="line">214</span><br><span class="line">215</span><br><span class="line">216</span><br><span class="line">217</span><br><span class="line">218</span><br><span class="line">219</span><br><span class="line">220</span><br><span class="line">221</span><br><span class="line">222</span><br><span class="line">223</span><br><span class="line">224</span><br><span class="line">225</span><br><span class="line">226</span><br><span class="line">227</span><br><span class="line">228</span><br><span class="line">229</span><br><span class="line">230</span><br><span class="line">231</span><br><span class="line">232</span><br><span class="line">233</span><br><span class="line">234</span><br><span class="line">235</span><br><span class="line">236</span><br><span class="line">237</span><br><span class="line">238</span><br><span class="line">239</span><br><span class="line">240</span><br><span class="line">241</span><br><span class="line">242</span><br><span class="line">243</span><br><span class="line">244</span><br><span class="line">245</span><br><span class="line">246</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">pullMessage</span><span class="params">(<span class="keyword">final</span> PullRequest pullRequest)</span> </span>&#123;</span><br><span class="line">        <span class="keyword">final</span> ProcessQueue processQueue = pullRequest.getProcessQueue();</span><br><span class="line">        <span class="comment">// 这里开始就是检查状态，确定是否往下执行</span></span><br><span class="line">        <span class="keyword">if</span> (processQueue.isDropped()) &#123;</span><br><span class="line">            log.info(<span class="string">"the pull request[&#123;&#125;] is dropped."</span>, pullRequest.toString());</span><br><span class="line">            <span class="keyword">return</span>;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        pullRequest.getProcessQueue().setLastPullTimestamp(System.currentTimeMillis());</span><br><span class="line"></span><br><span class="line">        <span class="keyword">try</span> &#123;</span><br><span class="line">            <span class="keyword">this</span>.makeSureStateOK();</span><br><span class="line">        &#125; <span class="keyword">catch</span> (MQClientException e) &#123;</span><br><span class="line">            log.warn(<span class="string">"pullMessage exception, consumer state not ok"</span>, e);</span><br><span class="line">            <span class="keyword">this</span>.executePullRequestLater(pullRequest, pullTimeDelayMillsWhenException);</span><br><span class="line">            <span class="keyword">return</span>;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="keyword">if</span> (<span class="keyword">this</span>.isPause()) &#123;</span><br><span class="line">            log.warn(<span class="string">"consumer was paused, execute pull request later. instanceName=&#123;&#125;, group=&#123;&#125;"</span>, <span class="keyword">this</span>.defaultMQPushConsumer.getInstanceName(), <span class="keyword">this</span>.defaultMQPushConsumer.getConsumerGroup());</span><br><span class="line">            <span class="keyword">this</span>.executePullRequestLater(pullRequest, PULL_TIME_DELAY_MILLS_WHEN_SUSPEND);</span><br><span class="line">            <span class="keyword">return</span>;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="comment">// 这块其实是个类似于限流的功能块，对消息数量和消息大小做限制</span></span><br><span class="line">        <span class="keyword">long</span> cachedMessageCount = processQueue.getMsgCount().get();</span><br><span class="line">        <span class="keyword">long</span> cachedMessageSizeInMiB = processQueue.getMsgSize().get() / (<span class="number">1024</span> * <span class="number">1024</span>);</span><br><span class="line"></span><br><span class="line">        <span class="keyword">if</span> (cachedMessageCount &gt; <span class="keyword">this</span>.defaultMQPushConsumer.getPullThresholdForQueue()) &#123;</span><br><span class="line">            <span class="keyword">this</span>.executePullRequestLater(pullRequest, PULL_TIME_DELAY_MILLS_WHEN_FLOW_CONTROL);</span><br><span class="line">            <span class="keyword">if</span> ((queueFlowControlTimes++ % <span class="number">1000</span>) == <span class="number">0</span>) &#123;</span><br><span class="line">                log.warn(</span><br><span class="line">                    <span class="string">"the cached message count exceeds the threshold &#123;&#125;, so do flow control, minOffset=&#123;&#125;, maxOffset=&#123;&#125;, count=&#123;&#125;, size=&#123;&#125; MiB, pullRequest=&#123;&#125;, flowControlTimes=&#123;&#125;"</span>,</span><br><span class="line">                    <span class="keyword">this</span>.defaultMQPushConsumer.getPullThresholdForQueue(), processQueue.getMsgTreeMap().firstKey(), processQueue.getMsgTreeMap().lastKey(), cachedMessageCount, cachedMessageSizeInMiB, pullRequest, queueFlowControlTimes);</span><br><span class="line">            &#125;</span><br><span class="line">            <span class="keyword">return</span>;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="keyword">if</span> (cachedMessageSizeInMiB &gt; <span class="keyword">this</span>.defaultMQPushConsumer.getPullThresholdSizeForQueue()) &#123;</span><br><span class="line">            <span class="keyword">this</span>.executePullRequestLater(pullRequest, PULL_TIME_DELAY_MILLS_WHEN_FLOW_CONTROL);</span><br><span class="line">            <span class="keyword">if</span> ((queueFlowControlTimes++ % <span class="number">1000</span>) == <span class="number">0</span>) &#123;</span><br><span class="line">                log.warn(</span><br><span class="line">                    <span class="string">"the cached message size exceeds the threshold &#123;&#125; MiB, so do flow control, minOffset=&#123;&#125;, maxOffset=&#123;&#125;, count=&#123;&#125;, size=&#123;&#125; MiB, pullRequest=&#123;&#125;, flowControlTimes=&#123;&#125;"</span>,</span><br><span class="line">                    <span class="keyword">this</span>.defaultMQPushConsumer.getPullThresholdSizeForQueue(), processQueue.getMsgTreeMap().firstKey(), processQueue.getMsgTreeMap().lastKey(), cachedMessageCount, cachedMessageSizeInMiB, pullRequest, queueFlowControlTimes);</span><br><span class="line">            &#125;</span><br><span class="line">            <span class="keyword">return</span>;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="comment">// 若不是顺序消费（即DefaultMQPushConsumerImpl.consumeOrderly等于false），则检查ProcessQueue对象的msgTreeMap:TreeMap&lt;Long,MessageExt&gt;变量的第一个key值与最后一个key值之间的差额，该key值表示查询的队列偏移量queueoffset；若差额大于阈值（由DefaultMQPushConsumer. consumeConcurrentlyMaxSpan指定，默认是2000），则调用PullMessageService.executePullRequestLater方法，在50毫秒之后重新将该PullRequest请求放入PullMessageService.pullRequestQueue队列中；并跳出该方法；这里的意思主要就是消息有堆积了，等会再来拉取</span></span><br><span class="line">        <span class="keyword">if</span> (!<span class="keyword">this</span>.consumeOrderly) &#123;</span><br><span class="line">            <span class="keyword">if</span> (processQueue.getMaxSpan() &gt; <span class="keyword">this</span>.defaultMQPushConsumer.getConsumeConcurrentlyMaxSpan()) &#123;</span><br><span class="line">                <span class="keyword">this</span>.executePullRequestLater(pullRequest, PULL_TIME_DELAY_MILLS_WHEN_FLOW_CONTROL);</span><br><span class="line">                <span class="keyword">if</span> ((queueMaxSpanFlowControlTimes++ % <span class="number">1000</span>) == <span class="number">0</span>) &#123;</span><br><span class="line">                    log.warn(</span><br><span class="line">                        <span class="string">"the queue's messages, span too long, so do flow control, minOffset=&#123;&#125;, maxOffset=&#123;&#125;, maxSpan=&#123;&#125;, pullRequest=&#123;&#125;, flowControlTimes=&#123;&#125;"</span>,</span><br><span class="line">                        processQueue.getMsgTreeMap().firstKey(), processQueue.getMsgTreeMap().lastKey(), processQueue.getMaxSpan(),</span><br><span class="line">                        pullRequest, queueMaxSpanFlowControlTimes);</span><br><span class="line">                &#125;</span><br><span class="line">                <span class="keyword">return</span>;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">            <span class="keyword">if</span> (processQueue.isLocked()) &#123;</span><br><span class="line">                <span class="keyword">if</span> (!pullRequest.isLockedFirst()) &#123;</span><br><span class="line">                    <span class="keyword">final</span> <span class="keyword">long</span> offset = <span class="keyword">this</span>.rebalanceImpl.computePullFromWhere(pullRequest.getMessageQueue());</span><br><span class="line">                    <span class="keyword">boolean</span> brokerBusy = offset &lt; pullRequest.getNextOffset();</span><br><span class="line">                    log.info(<span class="string">"the first time to pull message, so fix offset from broker. pullRequest: &#123;&#125; NewOffset: &#123;&#125; brokerBusy: &#123;&#125;"</span>,</span><br><span class="line">                        pullRequest, offset, brokerBusy);</span><br><span class="line">                    <span class="keyword">if</span> (brokerBusy) &#123;</span><br><span class="line">                        log.info(<span class="string">"[NOTIFYME]the first time to pull message, but pull request offset larger than broker consume offset. pullRequest: &#123;&#125; NewOffset: &#123;&#125;"</span>,</span><br><span class="line">                            pullRequest, offset);</span><br><span class="line">                    &#125;</span><br><span class="line"></span><br><span class="line">                    pullRequest.setLockedFirst(<span class="keyword">true</span>);</span><br><span class="line">                    pullRequest.setNextOffset(offset);</span><br><span class="line">                &#125;</span><br><span class="line">            &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                <span class="keyword">this</span>.executePullRequestLater(pullRequest, pullTimeDelayMillsWhenException);</span><br><span class="line">                log.info(<span class="string">"pull message later because not locked in broker, &#123;&#125;"</span>, pullRequest);</span><br><span class="line">                <span class="keyword">return</span>;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="comment">// 以PullRequest.messageQueue对象的topic值为参数从RebalanceImpl.subscriptionInner: ConcurrentHashMap, SubscriptionData&gt;中获取对应的SubscriptionData对象，若该对象为null，考虑到并发的关系，调用executePullRequestLater方法，稍后重试；并跳出该方法；</span></span><br><span class="line">        <span class="keyword">final</span> SubscriptionData subscriptionData = <span class="keyword">this</span>.rebalanceImpl.getSubscriptionInner().get(pullRequest.getMessageQueue().getTopic());</span><br><span class="line">        <span class="keyword">if</span> (<span class="keyword">null</span> == subscriptionData) &#123;</span><br><span class="line">            <span class="keyword">this</span>.executePullRequestLater(pullRequest, pullTimeDelayMillsWhenException);</span><br><span class="line">            log.warn(<span class="string">"find the consumer's subscription failed, &#123;&#125;"</span>, pullRequest);</span><br><span class="line">            <span class="keyword">return</span>;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="keyword">final</span> <span class="keyword">long</span> beginTimestamp = System.currentTimeMillis();</span><br><span class="line"></span><br><span class="line">        <span class="comment">// 异步拉取回调，先不讨论细节</span></span><br><span class="line">        PullCallback pullCallback = <span class="keyword">new</span> PullCallback() &#123;</span><br><span class="line">            <span class="meta">@Override</span></span><br><span class="line">            <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">onSuccess</span><span class="params">(PullResult pullResult)</span> </span>&#123;</span><br><span class="line">                <span class="keyword">if</span> (pullResult != <span class="keyword">null</span>) &#123;</span><br><span class="line">                    pullResult = DefaultMQPushConsumerImpl.<span class="keyword">this</span>.pullAPIWrapper.processPullResult(pullRequest.getMessageQueue(), pullResult,</span><br><span class="line">                        subscriptionData);</span><br><span class="line"></span><br><span class="line">                    <span class="keyword">switch</span> (pullResult.getPullStatus()) &#123;</span><br><span class="line">                        <span class="keyword">case</span> FOUND:</span><br><span class="line">                            <span class="keyword">long</span> prevRequestOffset = pullRequest.getNextOffset();</span><br><span class="line">                            pullRequest.setNextOffset(pullResult.getNextBeginOffset());</span><br><span class="line">                            <span class="keyword">long</span> pullRT = System.currentTimeMillis() - beginTimestamp;</span><br><span class="line">                            DefaultMQPushConsumerImpl.<span class="keyword">this</span>.getConsumerStatsManager().incPullRT(pullRequest.getConsumerGroup(),</span><br><span class="line">                                pullRequest.getMessageQueue().getTopic(), pullRT);</span><br><span class="line"></span><br><span class="line">                            <span class="keyword">long</span> firstMsgOffset = Long.MAX_VALUE;</span><br><span class="line">                            <span class="keyword">if</span> (pullResult.getMsgFoundList() == <span class="keyword">null</span> || pullResult.getMsgFoundList().isEmpty()) &#123;</span><br><span class="line">                                DefaultMQPushConsumerImpl.<span class="keyword">this</span>.executePullRequestImmediately(pullRequest);</span><br><span class="line">                            &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                                firstMsgOffset = pullResult.getMsgFoundList().get(<span class="number">0</span>).getQueueOffset();</span><br><span class="line"></span><br><span class="line">                                DefaultMQPushConsumerImpl.<span class="keyword">this</span>.getConsumerStatsManager().incPullTPS(pullRequest.getConsumerGroup(),</span><br><span class="line">                                    pullRequest.getMessageQueue().getTopic(), pullResult.getMsgFoundList().size());</span><br><span class="line"></span><br><span class="line">                                <span class="keyword">boolean</span> dispatchToConsume = processQueue.putMessage(pullResult.getMsgFoundList());</span><br><span class="line">                                DefaultMQPushConsumerImpl.<span class="keyword">this</span>.consumeMessageService.submitConsumeRequest(</span><br><span class="line">                                    pullResult.getMsgFoundList(),</span><br><span class="line">                                    processQueue,</span><br><span class="line">                                    pullRequest.getMessageQueue(),</span><br><span class="line">                                    dispatchToConsume);</span><br><span class="line"></span><br><span class="line">                                <span class="keyword">if</span> (DefaultMQPushConsumerImpl.<span class="keyword">this</span>.defaultMQPushConsumer.getPullInterval() &gt; <span class="number">0</span>) &#123;</span><br><span class="line">                                    DefaultMQPushConsumerImpl.<span class="keyword">this</span>.executePullRequestLater(pullRequest,</span><br><span class="line">                                        DefaultMQPushConsumerImpl.<span class="keyword">this</span>.defaultMQPushConsumer.getPullInterval());</span><br><span class="line">                                &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                                    DefaultMQPushConsumerImpl.<span class="keyword">this</span>.executePullRequestImmediately(pullRequest);</span><br><span class="line">                                &#125;</span><br><span class="line">                            &#125;</span><br><span class="line"></span><br><span class="line">                            <span class="keyword">if</span> (pullResult.getNextBeginOffset() &lt; prevRequestOffset</span><br><span class="line">                                || firstMsgOffset &lt; prevRequestOffset) &#123;</span><br><span class="line">                                log.warn(</span><br><span class="line">                                    <span class="string">"[BUG] pull message result maybe data wrong, nextBeginOffset: &#123;&#125; firstMsgOffset: &#123;&#125; prevRequestOffset: &#123;&#125;"</span>,</span><br><span class="line">                                    pullResult.getNextBeginOffset(),</span><br><span class="line">                                    firstMsgOffset,</span><br><span class="line">                                    prevRequestOffset);</span><br><span class="line">                            &#125;</span><br><span class="line"></span><br><span class="line">                            <span class="keyword">break</span>;</span><br><span class="line">                        <span class="keyword">case</span> NO_NEW_MSG:</span><br><span class="line">                            pullRequest.setNextOffset(pullResult.getNextBeginOffset());</span><br><span class="line"></span><br><span class="line">                            DefaultMQPushConsumerImpl.<span class="keyword">this</span>.correctTagsOffset(pullRequest);</span><br><span class="line"></span><br><span class="line">                            DefaultMQPushConsumerImpl.<span class="keyword">this</span>.executePullRequestImmediately(pullRequest);</span><br><span class="line">                            <span class="keyword">break</span>;</span><br><span class="line">                        <span class="keyword">case</span> NO_MATCHED_MSG:</span><br><span class="line">                            pullRequest.setNextOffset(pullResult.getNextBeginOffset());</span><br><span class="line"></span><br><span class="line">                            DefaultMQPushConsumerImpl.<span class="keyword">this</span>.correctTagsOffset(pullRequest);</span><br><span class="line"></span><br><span class="line">                            DefaultMQPushConsumerImpl.<span class="keyword">this</span>.executePullRequestImmediately(pullRequest);</span><br><span class="line">                            <span class="keyword">break</span>;</span><br><span class="line">                        <span class="keyword">case</span> OFFSET_ILLEGAL:</span><br><span class="line">                            log.warn(<span class="string">"the pull request offset illegal, &#123;&#125; &#123;&#125;"</span>,</span><br><span class="line">                                pullRequest.toString(), pullResult.toString());</span><br><span class="line">                            pullRequest.setNextOffset(pullResult.getNextBeginOffset());</span><br><span class="line"></span><br><span class="line">                            pullRequest.getProcessQueue().setDropped(<span class="keyword">true</span>);</span><br><span class="line">                            DefaultMQPushConsumerImpl.<span class="keyword">this</span>.executeTaskLater(<span class="keyword">new</span> Runnable() &#123;</span><br><span class="line"></span><br><span class="line">                                <span class="meta">@Override</span></span><br><span class="line">                                <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">run</span><span class="params">()</span> </span>&#123;</span><br><span class="line">                                    <span class="keyword">try</span> &#123;</span><br><span class="line">                                        DefaultMQPushConsumerImpl.<span class="keyword">this</span>.offsetStore.updateOffset(pullRequest.getMessageQueue(),</span><br><span class="line">                                            pullRequest.getNextOffset(), <span class="keyword">false</span>);</span><br><span class="line"></span><br><span class="line">                                        DefaultMQPushConsumerImpl.<span class="keyword">this</span>.offsetStore.persist(pullRequest.getMessageQueue());</span><br><span class="line"></span><br><span class="line">                                        DefaultMQPushConsumerImpl.<span class="keyword">this</span>.rebalanceImpl.removeProcessQueue(pullRequest.getMessageQueue());</span><br><span class="line"></span><br><span class="line">                                        log.warn(<span class="string">"fix the pull request offset, &#123;&#125;"</span>, pullRequest);</span><br><span class="line">                                    &#125; <span class="keyword">catch</span> (Throwable e) &#123;</span><br><span class="line">                                        log.error(<span class="string">"executeTaskLater Exception"</span>, e);</span><br><span class="line">                                    &#125;</span><br><span class="line">                                &#125;</span><br><span class="line">                            &#125;, <span class="number">10000</span>);</span><br><span class="line">                            <span class="keyword">break</span>;</span><br><span class="line">                        <span class="keyword">default</span>:</span><br><span class="line">                            <span class="keyword">break</span>;</span><br><span class="line">                    &#125;</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line"></span><br><span class="line">            <span class="meta">@Override</span></span><br><span class="line">            <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">onException</span><span class="params">(Throwable e)</span> </span>&#123;</span><br><span class="line">                <span class="keyword">if</span> (!pullRequest.getMessageQueue().getTopic().startsWith(MixAll.RETRY_GROUP_TOPIC_PREFIX)) &#123;</span><br><span class="line">                    log.warn(<span class="string">"execute the pull request exception"</span>, e);</span><br><span class="line">                &#125;</span><br><span class="line"></span><br><span class="line">                DefaultMQPushConsumerImpl.<span class="keyword">this</span>.executePullRequestLater(pullRequest, pullTimeDelayMillsWhenException);</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;;</span><br><span class="line">        <span class="comment">// 如果为集群模式，即可置commitOffsetEnable为 true</span></span><br><span class="line">        <span class="keyword">boolean</span> commitOffsetEnable = <span class="keyword">false</span>;</span><br><span class="line">        <span class="keyword">long</span> commitOffsetValue = <span class="number">0L</span>;</span><br><span class="line">        <span class="keyword">if</span> (MessageModel.CLUSTERING == <span class="keyword">this</span>.defaultMQPushConsumer.getMessageModel()) &#123;</span><br><span class="line">            commitOffsetValue = <span class="keyword">this</span>.offsetStore.readOffset(pullRequest.getMessageQueue(), ReadOffsetType.READ_FROM_MEMORY);</span><br><span class="line">            <span class="keyword">if</span> (commitOffsetValue &gt; <span class="number">0</span>) &#123;</span><br><span class="line">                commitOffsetEnable = <span class="keyword">true</span>;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="comment">// 将上面获得的commitOffsetEnable更新到订阅关系里</span></span><br><span class="line">        String subExpression = <span class="keyword">null</span>;</span><br><span class="line">        <span class="keyword">boolean</span> classFilter = <span class="keyword">false</span>;</span><br><span class="line">        SubscriptionData sd = <span class="keyword">this</span>.rebalanceImpl.getSubscriptionInner().get(pullRequest.getMessageQueue().getTopic());</span><br><span class="line">        <span class="keyword">if</span> (sd != <span class="keyword">null</span>) &#123;</span><br><span class="line">            <span class="keyword">if</span> (<span class="keyword">this</span>.defaultMQPushConsumer.isPostSubscriptionWhenPull() &amp;&amp; !sd.isClassFilterMode()) &#123;</span><br><span class="line">                subExpression = sd.getSubString();</span><br><span class="line">            &#125;</span><br><span class="line"></span><br><span class="line">            classFilter = sd.isClassFilterMode();</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="comment">// 组成 sysFlag</span></span><br><span class="line">        <span class="keyword">int</span> sysFlag = PullSysFlag.buildSysFlag(</span><br><span class="line">            commitOffsetEnable, <span class="comment">// commitOffset</span></span><br><span class="line">            <span class="keyword">true</span>, <span class="comment">// suspend</span></span><br><span class="line">            subExpression != <span class="keyword">null</span>, <span class="comment">// subscription</span></span><br><span class="line">            classFilter <span class="comment">// class filter</span></span><br><span class="line">        );</span><br><span class="line">        <span class="comment">// 调用真正的拉取消息接口</span></span><br><span class="line">        <span class="keyword">try</span> &#123;</span><br><span class="line">            <span class="keyword">this</span>.pullAPIWrapper.pullKernelImpl(</span><br><span class="line">                pullRequest.getMessageQueue(),</span><br><span class="line">                subExpression,</span><br><span class="line">                subscriptionData.getExpressionType(),</span><br><span class="line">                subscriptionData.getSubVersion(),</span><br><span class="line">                pullRequest.getNextOffset(),</span><br><span class="line">                <span class="keyword">this</span>.defaultMQPushConsumer.getPullBatchSize(),</span><br><span class="line">                sysFlag,</span><br><span class="line">                commitOffsetValue,</span><br><span class="line">                BROKER_SUSPEND_MAX_TIME_MILLIS,</span><br><span class="line">                CONSUMER_TIMEOUT_MILLIS_WHEN_SUSPEND,</span><br><span class="line">                CommunicationMode.ASYNC,</span><br><span class="line">                pullCallback</span><br><span class="line">            );</span><br><span class="line">        &#125; <span class="keyword">catch</span> (Exception e) &#123;</span><br><span class="line">            log.error(<span class="string">"pullKernelImpl exception"</span>, e);</span><br><span class="line">            <span class="keyword">this</span>.executePullRequestLater(pullRequest, pullTimeDelayMillsWhenException);</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
-<p>以下就是拉取消息的底层 api，不够不是特别复杂，主要是在找 broker，和设置请求参数</p>
-<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">public</span> PullResult <span class="title">pullKernelImpl</span><span class="params">(</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> MessageQueue mq,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> String subExpression,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> String expressionType,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> <span class="keyword">long</span> subVersion,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> <span class="keyword">long</span> offset,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> <span class="keyword">int</span> maxNums,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> <span class="keyword">int</span> sysFlag,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> <span class="keyword">long</span> commitOffset,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> <span class="keyword">long</span> brokerSuspendMaxTimeMillis,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> <span class="keyword">long</span> timeoutMillis,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> CommunicationMode communicationMode,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> PullCallback pullCallback</span></span></span><br><span class="line"><span class="function"><span class="params">)</span> <span class="keyword">throws</span> MQClientException, RemotingException, MQBrokerException, InterruptedException </span>&#123;</span><br><span class="line">    FindBrokerResult findBrokerResult =</span><br><span class="line">        <span class="keyword">this</span>.mQClientFactory.findBrokerAddressInSubscribe(mq.getBrokerName(),</span><br><span class="line">            <span class="keyword">this</span>.recalculatePullFromWhichNode(mq), <span class="keyword">false</span>);</span><br><span class="line">    <span class="keyword">if</span> (<span class="keyword">null</span> == findBrokerResult) &#123;</span><br><span class="line">        <span class="keyword">this</span>.mQClientFactory.updateTopicRouteInfoFromNameServer(mq.getTopic());</span><br><span class="line">        findBrokerResult =</span><br><span class="line">            <span class="keyword">this</span>.mQClientFactory.findBrokerAddressInSubscribe(mq.getBrokerName(),</span><br><span class="line">                <span class="keyword">this</span>.recalculatePullFromWhichNode(mq), <span class="keyword">false</span>);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">if</span> (findBrokerResult != <span class="keyword">null</span>) &#123;</span><br><span class="line">        &#123;</span><br><span class="line">            <span class="comment">// check version</span></span><br><span class="line">            <span class="keyword">if</span> (!ExpressionType.isTagType(expressionType)</span><br><span class="line">                &amp;&amp; findBrokerResult.getBrokerVersion() &lt; MQVersion.Version.V4_1_0_SNAPSHOT.ordinal()) &#123;</span><br><span class="line">                <span class="keyword">throw</span> <span class="keyword">new</span> MQClientException(<span class="string">"The broker["</span> + mq.getBrokerName() + <span class="string">", "</span></span><br><span class="line">                    + findBrokerResult.getBrokerVersion() + <span class="string">"] does not upgrade to support for filter message by "</span> + expressionType, <span class="keyword">null</span>);</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">int</span> sysFlagInner = sysFlag;</span><br><span class="line"></span><br><span class="line">        <span class="keyword">if</span> (findBrokerResult.isSlave()) &#123;</span><br><span class="line">            sysFlagInner = PullSysFlag.clearCommitOffsetFlag(sysFlagInner);</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        PullMessageRequestHeader requestHeader = <span class="keyword">new</span> PullMessageRequestHeader();</span><br><span class="line">        requestHeader.setConsumerGroup(<span class="keyword">this</span>.consumerGroup);</span><br><span class="line">        requestHeader.setTopic(mq.getTopic());</span><br><span class="line">        requestHeader.setQueueId(mq.getQueueId());</span><br><span class="line">        requestHeader.setQueueOffset(offset);</span><br><span class="line">        requestHeader.setMaxMsgNums(maxNums);</span><br><span class="line">        requestHeader.setSysFlag(sysFlagInner);</span><br><span class="line">        requestHeader.setCommitOffset(commitOffset);</span><br><span class="line">        requestHeader.setSuspendTimeoutMillis(brokerSuspendMaxTimeMillis);</span><br><span class="line">        requestHeader.setSubscription(subExpression);</span><br><span class="line">        requestHeader.setSubVersion(subVersion);</span><br><span class="line">        requestHeader.setExpressionType(expressionType);</span><br><span class="line"></span><br><span class="line">        String brokerAddr = findBrokerResult.getBrokerAddr();</span><br><span class="line">        <span class="keyword">if</span> (PullSysFlag.hasClassFilterFlag(sysFlagInner)) &#123;</span><br><span class="line">            brokerAddr = computPullFromWhichFilterServer(mq.getTopic(), brokerAddr);</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        PullResult pullResult = <span class="keyword">this</span>.mQClientFactory.getMQClientAPIImpl().pullMessage(</span><br><span class="line">            brokerAddr,</span><br><span class="line">            requestHeader,</span><br><span class="line">            timeoutMillis,</span><br><span class="line">            communicationMode,</span><br><span class="line">            pullCallback);</span><br><span class="line"></span><br><span class="line">        <span class="keyword">return</span> pullResult;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">throw</span> <span class="keyword">new</span> MQClientException(<span class="string">"The broker["</span> + mq.getBrokerName() + <span class="string">"] not exist"</span>, <span class="keyword">null</span>);</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
-<p>再看下一步的</p>
-<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">public</span> PullResult <span class="title">pullMessage</span><span class="params">(</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> String addr,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> PullMessageRequestHeader requestHeader,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> <span class="keyword">long</span> timeoutMillis,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> CommunicationMode communicationMode,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> PullCallback pullCallback</span></span></span><br><span class="line"><span class="function"><span class="params">)</span> <span class="keyword">throws</span> RemotingException, MQBrokerException, InterruptedException </span>&#123;</span><br><span class="line">    RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.PULL_MESSAGE, requestHeader);</span><br><span class="line"></span><br><span class="line">    <span class="keyword">switch</span> (communicationMode) &#123;</span><br><span class="line">        <span class="keyword">case</span> ONEWAY:</span><br><span class="line">            <span class="keyword">assert</span> <span class="keyword">false</span>;</span><br><span class="line">            <span class="keyword">return</span> <span class="keyword">null</span>;</span><br><span class="line">        <span class="keyword">case</span> ASYNC:</span><br><span class="line">            <span class="keyword">this</span>.pullMessageAsync(addr, request, timeoutMillis, pullCallback);</span><br><span class="line">            <span class="keyword">return</span> <span class="keyword">null</span>;</span><br><span class="line">        <span class="keyword">case</span> SYNC:</span><br><span class="line">            <span class="keyword">return</span> <span class="keyword">this</span>.pullMessageSync(addr, request, timeoutMillis);</span><br><span class="line">        <span class="keyword">default</span>:</span><br><span class="line">            <span class="keyword">assert</span> <span class="keyword">false</span>;</span><br><span class="line">            <span class="keyword">break</span>;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">return</span> <span class="keyword">null</span>;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
-<p>通过 communicationMode 判断是同步拉取还是异步拉取，异步就调用</p>
-<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">private</span> <span class="keyword">void</span> <span class="title">pullMessageAsync</span><span class="params">(</span></span></span><br><span class="line"><span class="function"><span class="params">        <span class="keyword">final</span> String addr,</span></span></span><br><span class="line"><span class="function"><span class="params">        <span class="keyword">final</span> RemotingCommand request,</span></span></span><br><span class="line"><span class="function"><span class="params">        <span class="keyword">final</span> <span class="keyword">long</span> timeoutMillis,</span></span></span><br><span class="line"><span class="function"><span class="params">        <span class="keyword">final</span> PullCallback pullCallback</span></span></span><br><span class="line"><span class="function"><span class="params">    )</span> <span class="keyword">throws</span> RemotingException, InterruptedException </span>&#123;</span><br><span class="line">        <span class="keyword">this</span>.remotingClient.invokeAsync(addr, request, timeoutMillis, <span class="keyword">new</span> InvokeCallback() &#123;</span><br><span class="line">            <span class="meta">@Override</span></span><br><span class="line">            <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">operationComplete</span><span class="params">(ResponseFuture responseFuture)</span> </span>&#123;</span><br><span class="line">                异步</span><br><span class="line">                RemotingCommand response = responseFuture.getResponseCommand();</span><br><span class="line">                <span class="keyword">if</span> (response != <span class="keyword">null</span>) &#123;</span><br><span class="line">                    <span class="keyword">try</span> &#123;</span><br><span class="line">                        PullResult pullResult = MQClientAPIImpl.<span class="keyword">this</span>.processPullResponse(response);</span><br><span class="line">                        <span class="keyword">assert</span> pullResult != <span class="keyword">null</span>;</span><br><span class="line">                        pullCallback.onSuccess(pullResult);</span><br><span class="line">                    &#125; <span class="keyword">catch</span> (Exception e) &#123;</span><br><span class="line">                        pullCallback.onException(e);</span><br><span class="line">                    &#125;</span><br><span class="line">                &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                    <span class="keyword">if</span> (!responseFuture.isSendRequestOK()) &#123;</span><br><span class="line">                        pullCallback.onException(<span class="keyword">new</span> MQClientException(<span class="string">"send request failed to "</span> + addr + <span class="string">". Request: "</span> + request, responseFuture.getCause()));</span><br><span class="line">                    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (responseFuture.isTimeout()) &#123;</span><br><span class="line">                        pullCallback.onException(<span class="keyword">new</span> MQClientException(<span class="string">"wait response from "</span> + addr + <span class="string">" timeout :"</span> + responseFuture.getTimeoutMillis() + <span class="string">"ms"</span> + <span class="string">". Request: "</span> + request,</span><br><span class="line">                            responseFuture.getCause()));</span><br><span class="line">                    &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                        pullCallback.onException(<span class="keyword">new</span> MQClientException(<span class="string">"unknown reason. addr: "</span> + addr + <span class="string">", timeoutMillis: "</span> + timeoutMillis + <span class="string">". Request: "</span> + request, responseFuture.getCause()));</span><br><span class="line">                    &#125;</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;);</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
-<p>并且会调用前面 pullCallback 的onSuccess和onException方法，同步的就是调用</p>
-<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">private</span> PullResult <span class="title">pullMessageSync</span><span class="params">(</span></span></span><br><span class="line"><span class="function"><span class="params">        <span class="keyword">final</span> String addr,</span></span></span><br><span class="line"><span class="function"><span class="params">        <span class="keyword">final</span> RemotingCommand request,</span></span></span><br><span class="line"><span class="function"><span class="params">        <span class="keyword">final</span> <span class="keyword">long</span> timeoutMillis</span></span></span><br><span class="line"><span class="function"><span class="params">    )</span> <span class="keyword">throws</span> RemotingException, InterruptedException, MQBrokerException </span>&#123;</span><br><span class="line">        RemotingCommand response = <span class="keyword">this</span>.remotingClient.invokeSync(addr, request, timeoutMillis);</span><br><span class="line">        <span class="keyword">assert</span> response != <span class="keyword">null</span>;</span><br><span class="line">        <span class="keyword">return</span> <span class="keyword">this</span>.processPullResponse(response);</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
-<p>然后就是这个 remotingClient 的 invokeAsync 跟 invokeSync 方法</p>
-<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">@Override</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">invokeAsync</span><span class="params">(String addr, RemotingCommand request, <span class="keyword">long</span> timeoutMillis, InvokeCallback invokeCallback)</span></span></span><br><span class="line"><span class="function">        <span class="keyword">throws</span> InterruptedException, RemotingConnectException, RemotingTooMuchRequestException, RemotingTimeoutException,</span></span><br><span class="line"><span class="function">        RemotingSendRequestException </span>&#123;</span><br><span class="line">        <span class="keyword">long</span> beginStartTime = System.currentTimeMillis();</span><br><span class="line">        <span class="keyword">final</span> Channel channel = <span class="keyword">this</span>.getAndCreateChannel(addr);</span><br><span class="line">        <span class="keyword">if</span> (channel != <span class="keyword">null</span> &amp;&amp; channel.isActive()) &#123;</span><br><span class="line">            <span class="keyword">try</span> &#123;</span><br><span class="line">                doBeforeRpcHooks(addr, request);</span><br><span class="line">                <span class="keyword">long</span> costTime = System.currentTimeMillis() - beginStartTime;</span><br><span class="line">                <span class="keyword">if</span> (timeoutMillis &lt; costTime) &#123;</span><br><span class="line">                    <span class="keyword">throw</span> <span class="keyword">new</span> RemotingTooMuchRequestException(<span class="string">"invokeAsync call timeout"</span>);</span><br><span class="line">                &#125;</span><br><span class="line">                <span class="keyword">this</span>.invokeAsyncImpl(channel, request, timeoutMillis - costTime, invokeCallback);</span><br><span class="line">            &#125; <span class="keyword">catch</span> (RemotingSendRequestException e) &#123;</span><br><span class="line">                log.warn(<span class="string">"invokeAsync: send request exception, so close the channel[&#123;&#125;]"</span>, addr);</span><br><span class="line">                <span class="keyword">this</span>.closeChannel(addr, channel);</span><br><span class="line">                <span class="keyword">throw</span> e;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">            <span class="keyword">this</span>.closeChannel(addr, channel);</span><br><span class="line">            <span class="keyword">throw</span> <span class="keyword">new</span> RemotingConnectException(addr);</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br><span class="line"><span class="meta">@Override</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> RemotingCommand <span class="title">invokeSync</span><span class="params">(String addr, <span class="keyword">final</span> RemotingCommand request, <span class="keyword">long</span> timeoutMillis)</span></span></span><br><span class="line"><span class="function">        <span class="keyword">throws</span> InterruptedException, RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException </span>&#123;</span><br><span class="line">        <span class="keyword">long</span> beginStartTime = System.currentTimeMillis();</span><br><span class="line">        <span class="keyword">final</span> Channel channel = <span class="keyword">this</span>.getAndCreateChannel(addr);</span><br><span class="line">        <span class="keyword">if</span> (channel != <span class="keyword">null</span> &amp;&amp; channel.isActive()) &#123;</span><br><span class="line">            <span class="keyword">try</span> &#123;</span><br><span class="line">                doBeforeRpcHooks(addr, request);</span><br><span class="line">                <span class="keyword">long</span> costTime = System.currentTimeMillis() - beginStartTime;</span><br><span class="line">                <span class="keyword">if</span> (timeoutMillis &lt; costTime) &#123;</span><br><span class="line">                    <span class="keyword">throw</span> <span class="keyword">new</span> RemotingTimeoutException(<span class="string">"invokeSync call timeout"</span>);</span><br><span class="line">                &#125;</span><br><span class="line">                RemotingCommand response = <span class="keyword">this</span>.invokeSyncImpl(channel, request, timeoutMillis - costTime);</span><br><span class="line">                doAfterRpcHooks(RemotingHelper.parseChannelRemoteAddr(channel), request, response);</span><br><span class="line">                <span class="keyword">return</span> response;</span><br><span class="line">            &#125; <span class="keyword">catch</span> (RemotingSendRequestException e) &#123;</span><br><span class="line">                log.warn(<span class="string">"invokeSync: send request exception, so close the channel[&#123;&#125;]"</span>, addr);</span><br><span class="line">                <span class="keyword">this</span>.closeChannel(addr, channel);</span><br><span class="line">                <span class="keyword">throw</span> e;</span><br><span class="line">            &#125; <span class="keyword">catch</span> (RemotingTimeoutException e) &#123;</span><br><span class="line">                <span class="keyword">if</span> (nettyClientConfig.isClientCloseSocketIfTimeout()) &#123;</span><br><span class="line">                    <span class="keyword">this</span>.closeChannel(addr, channel);</span><br><span class="line">                    log.warn(<span class="string">"invokeSync: close socket because of timeout, &#123;&#125;ms, &#123;&#125;"</span>, timeoutMillis, addr);</span><br><span class="line">                &#125;</span><br><span class="line">                log.warn(<span class="string">"invokeSync: wait response timeout exception, the channel[&#123;&#125;]"</span>, addr);</span><br><span class="line">                <span class="keyword">throw</span> e;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">            <span class="keyword">this</span>.closeChannel(addr, channel);</span><br><span class="line">            <span class="keyword">throw</span> <span class="keyword">new</span> RemotingConnectException(addr);</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
-<p>再往下看</p>
-<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">public</span> RemotingCommand <span class="title">invokeSyncImpl</span><span class="params">(<span class="keyword">final</span> Channel channel, <span class="keyword">final</span> RemotingCommand request,</span></span></span><br><span class="line"><span class="function"><span class="params">        <span class="keyword">final</span> <span class="keyword">long</span> timeoutMillis)</span></span></span><br><span class="line"><span class="function">        <span class="keyword">throws</span> InterruptedException, RemotingSendRequestException, RemotingTimeoutException </span>&#123;</span><br><span class="line">        <span class="keyword">final</span> <span class="keyword">int</span> opaque = request.getOpaque();</span><br><span class="line"></span><br><span class="line">        <span class="keyword">try</span> &#123;</span><br><span class="line">            同步跟异步都是会把结果用ResponseFuture抱起来</span><br><span class="line">            <span class="keyword">final</span> ResponseFuture responseFuture = <span class="keyword">new</span> ResponseFuture(channel, opaque, timeoutMillis, <span class="keyword">null</span>, <span class="keyword">null</span>);</span><br><span class="line">            <span class="keyword">this</span>.responseTable.put(opaque, responseFuture);</span><br><span class="line">            <span class="keyword">final</span> SocketAddress addr = channel.remoteAddress();</span><br><span class="line">            channel.writeAndFlush(request).addListener(<span class="keyword">new</span> ChannelFutureListener() &#123;</span><br><span class="line">                <span class="meta">@Override</span></span><br><span class="line">                <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">operationComplete</span><span class="params">(ChannelFuture f)</span> <span class="keyword">throws</span> Exception </span>&#123;</span><br><span class="line">                    <span class="keyword">if</span> (f.isSuccess()) &#123;</span><br><span class="line">                        responseFuture.setSendRequestOK(<span class="keyword">true</span>);</span><br><span class="line">                        <span class="keyword">return</span>;</span><br><span class="line">                    &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                        responseFuture.setSendRequestOK(<span class="keyword">false</span>);</span><br><span class="line">                    &#125;</span><br><span class="line"></span><br><span class="line">                    responseTable.remove(opaque);</span><br><span class="line">                    responseFuture.setCause(f.cause());</span><br><span class="line">                    responseFuture.putResponse(<span class="keyword">null</span>);</span><br><span class="line">                    log.warn(<span class="string">"send a request command to channel &lt;"</span> + addr + <span class="string">"&gt; failed."</span>);</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;);</span><br><span class="line">            <span class="comment">// 区别是同步的是在这等待</span></span><br><span class="line">            RemotingCommand responseCommand = responseFuture.waitResponse(timeoutMillis);</span><br><span class="line">            <span class="keyword">if</span> (<span class="keyword">null</span> == responseCommand) &#123;</span><br><span class="line">                <span class="keyword">if</span> (responseFuture.isSendRequestOK()) &#123;</span><br><span class="line">                    <span class="keyword">throw</span> <span class="keyword">new</span> RemotingTimeoutException(RemotingHelper.parseSocketAddressAddr(addr), timeoutMillis,</span><br><span class="line">                        responseFuture.getCause());</span><br><span class="line">                &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                    <span class="keyword">throw</span> <span class="keyword">new</span> RemotingSendRequestException(RemotingHelper.parseSocketAddressAddr(addr), responseFuture.getCause());</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line"></span><br><span class="line">            <span class="keyword">return</span> responseCommand;</span><br><span class="line">        &#125; <span class="keyword">finally</span> &#123;</span><br><span class="line">            <span class="keyword">this</span>.responseTable.remove(opaque);</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">invokeAsyncImpl</span><span class="params">(<span class="keyword">final</span> Channel channel, <span class="keyword">final</span> RemotingCommand request, <span class="keyword">final</span> <span class="keyword">long</span> timeoutMillis,</span></span></span><br><span class="line"><span class="function"><span class="params">        <span class="keyword">final</span> InvokeCallback invokeCallback)</span></span></span><br><span class="line"><span class="function">        <span class="keyword">throws</span> InterruptedException, RemotingTooMuchRequestException, RemotingTimeoutException, RemotingSendRequestException </span>&#123;</span><br><span class="line">        <span class="keyword">long</span> beginStartTime = System.currentTimeMillis();</span><br><span class="line">        <span class="keyword">final</span> <span class="keyword">int</span> opaque = request.getOpaque();</span><br><span class="line">        <span class="keyword">boolean</span> acquired = <span class="keyword">this</span>.semaphoreAsync.tryAcquire(timeoutMillis, TimeUnit.MILLISECONDS);</span><br><span class="line">        <span class="keyword">if</span> (acquired) &#123;</span><br><span class="line">            <span class="keyword">final</span> SemaphoreReleaseOnlyOnce once = <span class="keyword">new</span> SemaphoreReleaseOnlyOnce(<span class="keyword">this</span>.semaphoreAsync);</span><br><span class="line">            <span class="keyword">long</span> costTime = System.currentTimeMillis() - beginStartTime;</span><br><span class="line">            <span class="keyword">if</span> (timeoutMillis &lt; costTime) &#123;</span><br><span class="line">                once.release();</span><br><span class="line">                <span class="keyword">throw</span> <span class="keyword">new</span> RemotingTimeoutException(<span class="string">"invokeAsyncImpl call timeout"</span>);</span><br><span class="line">            &#125;</span><br><span class="line"></span><br><span class="line">            <span class="keyword">final</span> ResponseFuture responseFuture = <span class="keyword">new</span> ResponseFuture(channel, opaque, timeoutMillis - costTime, invokeCallback, once);</span><br><span class="line">            <span class="keyword">this</span>.responseTable.put(opaque, responseFuture);</span><br><span class="line">            <span class="keyword">try</span> &#123;</span><br><span class="line">                channel.writeAndFlush(request).addListener(<span class="keyword">new</span> ChannelFutureListener() &#123;</span><br><span class="line">                    <span class="meta">@Override</span></span><br><span class="line">                    <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">operationComplete</span><span class="params">(ChannelFuture f)</span> <span class="keyword">throws</span> Exception </span>&#123;</span><br><span class="line">                        <span class="keyword">if</span> (f.isSuccess()) &#123;</span><br><span class="line">                            responseFuture.setSendRequestOK(<span class="keyword">true</span>);</span><br><span class="line">                            <span class="keyword">return</span>;</span><br><span class="line">                        &#125;</span><br><span class="line">                        requestFail(opaque);</span><br><span class="line">                        log.warn(<span class="string">"send a request command to channel &lt;&#123;&#125;&gt; failed."</span>, RemotingHelper.parseChannelRemoteAddr(channel));</span><br><span class="line">                    &#125;</span><br><span class="line">                &#125;);</span><br><span class="line">            &#125; <span class="keyword">catch</span> (Exception e) &#123;</span><br><span class="line">                responseFuture.release();</span><br><span class="line">                log.warn(<span class="string">"send a request command to channel &lt;"</span> + RemotingHelper.parseChannelRemoteAddr(channel) + <span class="string">"&gt; Exception"</span>, e);</span><br><span class="line">                <span class="keyword">throw</span> <span class="keyword">new</span> RemotingSendRequestException(RemotingHelper.parseChannelRemoteAddr(channel), e);</span><br><span class="line">            &#125;</span><br><span class="line">        &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">            <span class="keyword">if</span> (timeoutMillis &lt;= <span class="number">0</span>) &#123;</span><br><span class="line">                <span class="keyword">throw</span> <span class="keyword">new</span> RemotingTooMuchRequestException(<span class="string">"invokeAsyncImpl invoke too fast"</span>);</span><br><span class="line">            &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                String info =</span><br><span class="line">                    String.format(<span class="string">"invokeAsyncImpl tryAcquire semaphore timeout, %dms, waiting thread nums: %d semaphoreAsyncValue: %d"</span>,</span><br><span class="line">                        timeoutMillis,</span><br><span class="line">                        <span class="keyword">this</span>.semaphoreAsync.getQueueLength(),</span><br><span class="line">                        <span class="keyword">this</span>.semaphoreAsync.availablePermits()</span><br><span class="line">                    );</span><br><span class="line">                log.warn(info);</span><br><span class="line">                <span class="keyword">throw</span> <span class="keyword">new</span> RemotingTimeoutException(info);</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
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@@ -957,7 +919,7 @@
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href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span 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diff --git a/leancloud.memo b/leancloud.memo
index fc75fc47eb..e9cfb02e4a 100644
--- a/leancloud.memo
+++ b/leancloud.memo
@@ -59,4 +59,5 @@
 {"title":"聊一下 RocketMQ 的 NameServer 源码","url":"/2020/07/05/聊一下-RocketMQ-的-NameServer-源码/"},
 {"title":"2020年中总结","url":"/2020/07/11/2020年中总结/"},
 {"title":"聊聊 RocketMQ 的 Broker 源码","url":"/2020/07/19/聊聊-RocketMQ-的-Broker-源码/"},
+{"title":"我是如何走上跑步这条不归路的","url":"/2020/07/26/我是如何走上跑步这条不归路的/"},
 ]
\ No newline at end of file
diff --git a/leancloud_counter_security_urls.json b/leancloud_counter_security_urls.json
index e75857074f..2b352cc332 100644
--- a/leancloud_counter_security_urls.json
+++ b/leancloud_counter_security_urls.json
@@ -1 +1 @@
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class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span 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class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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diff --git a/page/10/index.html b/page/10/index.html
index 048d8bb560..62ca041b64 100644
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+++ b/page/10/index.html
@@ -204,7 +204,7 @@
   
   
   <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2016/08/14/34-Search-for-a-Range/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2016/09/29/binary-watch/">
 
     <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
       <meta itemprop="image" content="/uploads/avatar.jpg">
@@ -218,7 +218,7 @@
       <header class="post-header">
         <h2 class="post-title" itemprop="name headline">
           
-            <a href="/2016/08/14/34-Search-for-a-Range/" class="post-title-link" itemprop="url">34_Search_for_a_Range</a>
+            <a href="/2016/09/29/binary-watch/" class="post-title-link" itemprop="url">binary-watch</a>
         </h2>
 
         <div class="post-meta">
@@ -228,7 +228,7 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2016-08-14 21:33:24" itemprop="dateCreated datePublished" datetime="2016-08-14T21:33:24+08:00">2016-08-14</time>
+              <time title="Created: 2016-09-29 23:16:06" itemprop="dateCreated datePublished" datetime="2016-09-29T23:16:06+08:00">2016-09-29</time>
             </span>
               <span class="post-meta-item">
                 <span class="post-meta-item-icon">
@@ -248,7 +248,7 @@
             </span>
 
           
-            <span id="/2016/08/14/34-Search-for-a-Range/" class="post-meta-item leancloud_visitors" data-flag-title="34_Search_for_a_Range" title="Views">
+            <span id="/2016/09/29/binary-watch/" class="post-meta-item leancloud_visitors" data-flag-title="binary-watch" title="Views">
               <span class="post-meta-item-icon">
                 <i class="fa fa-eye"></i>
               </span>
@@ -263,8 +263,8 @@
       </span>
       <span class="post-meta-item-text">Disqus: </span>
     
-    <a title="disqus" href="/2016/08/14/34-Search-for-a-Range/#disqus_thread" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2016/08/14/34-Search-for-a-Range/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2016/09/29/binary-watch/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2016/09/29/binary-watch/" itemprop="commentCount"></span>
     </a>
   </span>
   
@@ -279,13 +279,19 @@
     <div class="post-body" itemprop="articleBody">
 
       
-          <h2 id="question"><a href="#question" class="headerlink" title="question"></a>question</h2><h3 id="34-Search-for-a-Range"><a href="#34-Search-for-a-Range" class="headerlink" title="34. Search for a Range"></a>34. Search for a Range</h3><p><a href="https://leetcode.com/problems/search-for-a-range/" target="_blank" rel="noopener">Original Page</a></p>
-<p>Given a sorted array of integers, find the starting and ending position of a given target value.</p>
-<p>Your algorithm’s runtime complexity must be in the order of <em>O</em>(log <em>n</em>).</p>
-<p>If the target is not found in the array, return <code>[-1, -1]</code>.</p>
-<p>For example,<br>Given <code>[5, 7, 7, 8, 8, 10]</code> and target value 8,<br>return <code>[3, 4]</code>.</p>
-<h2 id="analysis"><a href="#analysis" class="headerlink" title="analysis"></a>analysis</h2><p>一开始就想到了二分查找，但是原来做二分查找的时候一般都是找到确定的那个数就完成了，<br>这里的情况比较特殊，需要找到整个区间，所以需要两遍查找，并且一个是找到小于target<br>的最大索引，一个是找到大于target的最大索引，代码参考<a href="https://discuss.leetcode.com/topic/5891/clean-iterative-solution-with-two-binary-searches-with-explanation/2" target="_blank" rel="noopener">leetcode discuss</a>,这位仁<br>兄也做了详细的分析解释。  </p>
-<h2 id="code"><a href="#code" class="headerlink" title="code"></a>code</h2><figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br></pre></td><td class="code"><pre><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">Solution</span> &#123;</span></span><br><span class="line"><span class="keyword">public</span>:</span><br><span class="line">    <span class="function"><span class="built_in">vector</span>&lt;<span class="keyword">int</span>&gt; <span class="title">searchRange</span><span class="params">(<span class="built_in">vector</span>&lt;<span class="keyword">int</span>&gt;&amp; nums, <span class="keyword">int</span> target)</span> </span>&#123;</span><br><span class="line">        <span class="function"><span class="built_in">vector</span>&lt;<span class="keyword">int</span>&gt; <span class="title">ret</span><span class="params">(<span class="number">2</span>, <span class="number">-1</span>)</span></span>;</span><br><span class="line">        <span class="keyword">int</span> i = <span class="number">0</span>, j = nums.<span class="built_in">size</span>() - <span class="number">1</span>;</span><br><span class="line">        <span class="keyword">int</span> mid;</span><br><span class="line">        <span class="keyword">while</span>(i &lt; j)&#123;</span><br><span class="line">            mid = (i + j) / <span class="number">2</span>;</span><br><span class="line">            <span class="keyword">if</span>(nums[mid] &lt; target) i = mid + <span class="number">1</span>;</span><br><span class="line">            <span class="keyword">else</span> j = mid;</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">if</span>(nums[i] != target) <span class="keyword">return</span> ret;</span><br><span class="line">        <span class="keyword">else</span> &#123;</span><br><span class="line">            ret[<span class="number">0</span>] = i;</span><br><span class="line">            <span class="keyword">if</span>((i+<span class="number">1</span>) &lt; (nums.<span class="built_in">size</span>() - <span class="number">1</span>) &amp;&amp; nums[i+<span class="number">1</span>] &gt; target)&#123;</span><br><span class="line">                ret[<span class="number">1</span>] = i;</span><br><span class="line">                <span class="keyword">return</span> ret;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;   <span class="comment">//一点小优化</span></span><br><span class="line">        j = nums.<span class="built_in">size</span>() - <span class="number">1</span>;</span><br><span class="line">        <span class="keyword">while</span>(i &lt; j)&#123;</span><br><span class="line">            mid = (i + j) / <span class="number">2</span> + <span class="number">1</span>;</span><br><span class="line">            <span class="keyword">if</span>(nums[mid] &gt; target) j = mid - <span class="number">1</span>;</span><br><span class="line">            <span class="keyword">else</span> i = mid;</span><br><span class="line">        &#125;</span><br><span class="line">        ret[<span class="number">1</span>] = j;</span><br><span class="line">        <span class="keyword">return</span> ret;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;;</span><br></pre></td></tr></table></figure>
+          <h3 id="problem"><a href="#problem" class="headerlink" title="problem"></a>problem</h3><p>A binary watch has 4 LEDs on the top which represent the hours (0-11), and the 6 LEDs on the bottom represent the minutes (0-59).  </p>
+<p>Each LED represents a zero or one, with the least significant bit on the right.  </p>
+<p><img data-src="http://7sbp1g.com1.z0.glb.clouddn.com/Binary_clock_samui_moon.jpg?imageView2/2/w/620" alt=""></p>
+<p>For example, the above binary watch reads “3:25”.  </p>
+<p>Given a non-negative integer n which represents the number of LEDs that are currently on, return all possible times the watch could represent.  </p>
+<h4 id="Example"><a href="#Example" class="headerlink" title="Example:"></a>Example:</h4><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">Input: n &#x3D; 1</span><br><span class="line">Return: [&quot;1:00&quot;, &quot;2:00&quot;, &quot;4:00&quot;, &quot;8:00&quot;, &quot;0:01&quot;, &quot;0:02&quot;, &quot;0:04&quot;, &quot;0:08&quot;, &quot;0:16&quot;, &quot;0:32&quot;]</span><br></pre></td></tr></table></figure>
+<h4 id="Note"><a href="#Note" class="headerlink" title="Note:"></a>Note:</h4><ul>
+<li>The order of output does not matter.</li>
+<li>The hour must not contain a leading zero, for example “01:00” is not valid, it should be “1:00”.</li>
+<li>The minute must be consist of two digits and may contain a leading zero, for example “10:2” is not valid, it should be “10:02”.</li>
+</ul>
+<h3 id="题解"><a href="#题解" class="headerlink" title="题解"></a>题解</h3><p>又是参（chao）考（xi）别人的代码，嗯，就是这么不要脸，<a href="http://www.cnblogs.com/grandyang/p/5896454.html" target="_blank" rel="noopener">链接</a></p>
+<h4 id="Code"><a href="#Code" class="headerlink" title="Code"></a>Code</h4><figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br></pre></td><td class="code"><pre><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">Solution</span> &#123;</span></span><br><span class="line"><span class="keyword">public</span>:</span><br><span class="line">    <span class="function"><span class="built_in">vector</span>&lt;<span class="built_in">string</span>&gt; <span class="title">readBinaryWatch</span><span class="params">(<span class="keyword">int</span> num)</span> </span>&#123;</span><br><span class="line">        <span class="built_in">vector</span>&lt;<span class="built_in">string</span>&gt; res;</span><br><span class="line">        <span class="keyword">for</span> (<span class="keyword">int</span> h = <span class="number">0</span>; h &lt; <span class="number">12</span>; ++h) &#123;</span><br><span class="line">            <span class="keyword">for</span> (<span class="keyword">int</span> m = <span class="number">0</span>; m &lt; <span class="number">60</span>; ++m) &#123;</span><br><span class="line">                <span class="keyword">if</span> (<span class="built_in">bitset</span>&lt;<span class="number">10</span>&gt;((h &lt;&lt; <span class="number">6</span>) + m).count() == num) &#123;</span><br><span class="line">                    res.push_back(to_string(h) + (m &lt; <span class="number">10</span> ? <span class="string">":0"</span> : <span class="string">":"</span>) + to_string(m));</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">return</span> res;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;;</span><br></pre></td></tr></table></figure>
       
     </div>
 
@@ -306,7 +312,7 @@
   
   
   <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2016/08/14/docker-mysql-cluster/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2016/08/14/34-Search-for-a-Range/">
 
     <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
       <meta itemprop="image" content="/uploads/avatar.jpg">
@@ -320,7 +326,7 @@
       <header class="post-header">
         <h2 class="post-title" itemprop="name headline">
           
-            <a href="/2016/08/14/docker-mysql-cluster/" class="post-title-link" itemprop="url">docker-mysql-cluster</a>
+            <a href="/2016/08/14/34-Search-for-a-Range/" class="post-title-link" itemprop="url">34_Search_for_a_Range</a>
         </h2>
 
         <div class="post-meta">
@@ -330,7 +336,7 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2016-08-14 16:51:00" itemprop="dateCreated datePublished" datetime="2016-08-14T16:51:00+08:00">2016-08-14</time>
+              <time title="Created: 2016-08-14 21:33:24" itemprop="dateCreated datePublished" datetime="2016-08-14T21:33:24+08:00">2016-08-14</time>
             </span>
               <span class="post-meta-item">
                 <span class="post-meta-item-icon">
@@ -345,12 +351,12 @@
               </span>
               <span class="post-meta-item-text">In</span>
                 <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/docker/" itemprop="url" rel="index"><span itemprop="name">docker</span></a>
+                  <a href="/categories/leetcode/" itemprop="url" rel="index"><span itemprop="name">leetcode</span></a>
                 </span>
             </span>
 
           
-            <span id="/2016/08/14/docker-mysql-cluster/" class="post-meta-item leancloud_visitors" data-flag-title="docker-mysql-cluster" title="Views">
+            <span id="/2016/08/14/34-Search-for-a-Range/" class="post-meta-item leancloud_visitors" data-flag-title="34_Search_for_a_Range" title="Views">
               <span class="post-meta-item-icon">
                 <i class="fa fa-eye"></i>
               </span>
@@ -365,8 +371,8 @@
       </span>
       <span class="post-meta-item-text">Disqus: </span>
     
-    <a title="disqus" href="/2016/08/14/docker-mysql-cluster/#disqus_thread" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2016/08/14/docker-mysql-cluster/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2016/08/14/34-Search-for-a-Range/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2016/08/14/34-Search-for-a-Range/" itemprop="commentCount"></span>
     </a>
   </span>
   
@@ -381,15 +387,13 @@
     <div class="post-body" itemprop="articleBody">
 
       
-          <h3 id="docker-mysql-cluster"><a href="#docker-mysql-cluster" class="headerlink" title="docker-mysql-cluster"></a>docker-mysql-cluster</h3><p>基于docker搭了个mysql集群，稍微记一下，<br>首先是新建mysql主库容<br>
-          <!--noindex-->
-            <div class="post-button">
-              <a class="btn" href="/2016/08/14/docker-mysql-cluster/#more" rel="contents">
-                Read more &raquo;
-              </a>
-            </div>
-          <!--/noindex-->
-        
+          <h2 id="question"><a href="#question" class="headerlink" title="question"></a>question</h2><h3 id="34-Search-for-a-Range"><a href="#34-Search-for-a-Range" class="headerlink" title="34. Search for a Range"></a>34. Search for a Range</h3><p><a href="https://leetcode.com/problems/search-for-a-range/" target="_blank" rel="noopener">Original Page</a></p>
+<p>Given a sorted array of integers, find the starting and ending position of a given target value.</p>
+<p>Your algorithm’s runtime complexity must be in the order of <em>O</em>(log <em>n</em>).</p>
+<p>If the target is not found in the array, return <code>[-1, -1]</code>.</p>
+<p>For example,<br>Given <code>[5, 7, 7, 8, 8, 10]</code> and target value 8,<br>return <code>[3, 4]</code>.</p>
+<h2 id="analysis"><a href="#analysis" class="headerlink" title="analysis"></a>analysis</h2><p>一开始就想到了二分查找，但是原来做二分查找的时候一般都是找到确定的那个数就完成了，<br>这里的情况比较特殊，需要找到整个区间，所以需要两遍查找，并且一个是找到小于target<br>的最大索引，一个是找到大于target的最大索引，代码参考<a href="https://discuss.leetcode.com/topic/5891/clean-iterative-solution-with-two-binary-searches-with-explanation/2" target="_blank" rel="noopener">leetcode discuss</a>,这位仁<br>兄也做了详细的分析解释。  </p>
+<h2 id="code"><a href="#code" class="headerlink" title="code"></a>code</h2><figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br></pre></td><td class="code"><pre><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">Solution</span> &#123;</span></span><br><span class="line"><span class="keyword">public</span>:</span><br><span class="line">    <span class="function"><span class="built_in">vector</span>&lt;<span class="keyword">int</span>&gt; <span class="title">searchRange</span><span class="params">(<span class="built_in">vector</span>&lt;<span class="keyword">int</span>&gt;&amp; nums, <span class="keyword">int</span> target)</span> </span>&#123;</span><br><span class="line">        <span class="function"><span class="built_in">vector</span>&lt;<span class="keyword">int</span>&gt; <span class="title">ret</span><span class="params">(<span class="number">2</span>, <span class="number">-1</span>)</span></span>;</span><br><span class="line">        <span class="keyword">int</span> i = <span class="number">0</span>, j = nums.<span class="built_in">size</span>() - <span class="number">1</span>;</span><br><span class="line">        <span class="keyword">int</span> mid;</span><br><span class="line">        <span class="keyword">while</span>(i &lt; j)&#123;</span><br><span class="line">            mid = (i + j) / <span class="number">2</span>;</span><br><span class="line">            <span class="keyword">if</span>(nums[mid] &lt; target) i = mid + <span class="number">1</span>;</span><br><span class="line">            <span class="keyword">else</span> j = mid;</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">if</span>(nums[i] != target) <span class="keyword">return</span> ret;</span><br><span class="line">        <span class="keyword">else</span> &#123;</span><br><span class="line">            ret[<span class="number">0</span>] = i;</span><br><span class="line">            <span class="keyword">if</span>((i+<span class="number">1</span>) &lt; (nums.<span class="built_in">size</span>() - <span class="number">1</span>) &amp;&amp; nums[i+<span class="number">1</span>] &gt; target)&#123;</span><br><span class="line">                ret[<span class="number">1</span>] = i;</span><br><span class="line">                <span class="keyword">return</span> ret;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;   <span class="comment">//一点小优化</span></span><br><span class="line">        j = nums.<span class="built_in">size</span>() - <span class="number">1</span>;</span><br><span class="line">        <span class="keyword">while</span>(i &lt; j)&#123;</span><br><span class="line">            mid = (i + j) / <span class="number">2</span> + <span class="number">1</span>;</span><br><span class="line">            <span class="keyword">if</span>(nums[mid] &gt; target) j = mid - <span class="number">1</span>;</span><br><span class="line">            <span class="keyword">else</span> i = mid;</span><br><span class="line">        &#125;</span><br><span class="line">        ret[<span class="number">1</span>] = j;</span><br><span class="line">        <span class="keyword">return</span> ret;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;;</span><br></pre></td></tr></table></figure>
       
     </div>
 
@@ -410,7 +414,7 @@
   
   
   <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2016/07/13/swoole-websocket-test/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2016/08/14/docker-mysql-cluster/">
 
     <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
       <meta itemprop="image" content="/uploads/avatar.jpg">
@@ -424,7 +428,7 @@
       <header class="post-header">
         <h2 class="post-title" itemprop="name headline">
           
-            <a href="/2016/07/13/swoole-websocket-test/" class="post-title-link" itemprop="url">swoole-websocket-test</a>
+            <a href="/2016/08/14/docker-mysql-cluster/" class="post-title-link" itemprop="url">docker-mysql-cluster</a>
         </h2>
 
         <div class="post-meta">
@@ -434,14 +438,14 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2016-07-13 22:59:23" itemprop="dateCreated datePublished" datetime="2016-07-13T22:59:23+08:00">2016-07-13</time>
+              <time title="Created: 2016-08-14 16:51:00" itemprop="dateCreated datePublished" datetime="2016-08-14T16:51:00+08:00">2016-08-14</time>
             </span>
               <span class="post-meta-item">
                 <span class="post-meta-item-icon">
                   <i class="far fa-calendar-check"></i>
                 </span>
                 <span class="post-meta-item-text">Edited on</span>
-                <time title="Modified: 2020-01-12 21:08:26" itemprop="dateModified" datetime="2020-01-12T21:08:26+08:00">2020-01-12</time>
+                <time title="Modified: 2020-01-12 21:08:27" itemprop="dateModified" datetime="2020-01-12T21:08:27+08:00">2020-01-12</time>
               </span>
             <span class="post-meta-item">
               <span class="post-meta-item-icon">
@@ -449,12 +453,12 @@
               </span>
               <span class="post-meta-item-text">In</span>
                 <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/php/" itemprop="url" rel="index"><span itemprop="name">php</span></a>
+                  <a href="/categories/docker/" itemprop="url" rel="index"><span itemprop="name">docker</span></a>
                 </span>
             </span>
 
           
-            <span id="/2016/07/13/swoole-websocket-test/" class="post-meta-item leancloud_visitors" data-flag-title="swoole-websocket-test" title="Views">
+            <span id="/2016/08/14/docker-mysql-cluster/" class="post-meta-item leancloud_visitors" data-flag-title="docker-mysql-cluster" title="Views">
               <span class="post-meta-item-icon">
                 <i class="fa fa-eye"></i>
               </span>
@@ -469,8 +473,8 @@
       </span>
       <span class="post-meta-item-text">Disqus: </span>
     
-    <a title="disqus" href="/2016/07/13/swoole-websocket-test/#disqus_thread" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2016/07/13/swoole-websocket-test/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2016/08/14/docker-mysql-cluster/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2016/08/14/docker-mysql-cluster/" itemprop="commentCount"></span>
     </a>
   </span>
   
@@ -485,11 +489,10 @@
     <div class="post-body" itemprop="articleBody">
 
       
-          <h3 id="玩一下swoole的websocket"><a href="#玩一下swoole的websocket" class="headerlink" title="玩一下swoole的websocket"></a>玩一下swoole的websocket</h3><p>WebSocket是HTML5开始提供的一种在单个<a href="https://zh.wikipedia.org/wiki/TCP" target="_blank" rel="noopener">TCP</a>连接上进行<a href="https://zh.wikipedia.org/wiki/%E5%85%A8%E9%9B%99%E5%B7%A5" target="_blank" rel="noopener">全双工</a>通讯的协议。WebSocket通信协议于2011年被<a href="https://zh.wikipedia.org/wiki/Internet_Engineering_Task_Force" target="_blank" rel="noopener">IETF</a>定为标准RFC 6455，WebSocketAPI被W3C定为标准。<br>,在web私信，im等应用较多。背景和优缺点可以参看<a href="https://zh.wikipedia.org/wiki/WebSocket" target="_blank" rel="noopener">wiki</a>。</p>
-<h3 id="环境准备"><a href="#环境准备" class="headerlink" title="环境准备"></a>环境准备</h3><p>因为swoole官方还不支持windows，所以需要装下linux,之前都是用ubuntu，<br>这次就试一下centos7，还是满好看的，虽然虚拟机会默认最小安装，需要在安装<br>时自己选择带gnome的，当然最小安装也是可以的，只是最后需要改下防火墙。<br>然后是装下PHP，Nginx什么的，我是用<a href="https://oneinstack.com/" target="_blank" rel="noopener">Oneinstack</a>，可以按需安装<br>给做这个的大大点个赞。</p>
+          <h3 id="docker-mysql-cluster"><a href="#docker-mysql-cluster" class="headerlink" title="docker-mysql-cluster"></a>docker-mysql-cluster</h3><p>基于docker搭了个mysql集群，稍微记一下，<br>首先是新建mysql主库容<br>
           <!--noindex-->
             <div class="post-button">
-              <a class="btn" href="/2016/07/13/swoole-websocket-test/#more" rel="contents">
+              <a class="btn" href="/2016/08/14/docker-mysql-cluster/#more" rel="contents">
                 Read more &raquo;
               </a>
             </div>
@@ -515,7 +518,7 @@
   
   
   <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2015/06/22/invert-binary-tree/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2016/07/13/swoole-websocket-test/">
 
     <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
       <meta itemprop="image" content="/uploads/avatar.jpg">
@@ -529,7 +532,7 @@
       <header class="post-header">
         <h2 class="post-title" itemprop="name headline">
           
-            <a href="/2015/06/22/invert-binary-tree/" class="post-title-link" itemprop="url">invert-binary-tree</a>
+            <a href="/2016/07/13/swoole-websocket-test/" class="post-title-link" itemprop="url">swoole-websocket-test</a>
         </h2>
 
         <div class="post-meta">
@@ -539,7 +542,7 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2015-06-22 10:29:44" itemprop="dateCreated datePublished" datetime="2015-06-22T10:29:44+08:00">2015-06-22</time>
+              <time title="Created: 2016-07-13 22:59:23" itemprop="dateCreated datePublished" datetime="2016-07-13T22:59:23+08:00">2016-07-13</time>
             </span>
               <span class="post-meta-item">
                 <span class="post-meta-item-icon">
@@ -554,12 +557,12 @@
               </span>
               <span class="post-meta-item-text">In</span>
                 <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/leetcode/" itemprop="url" rel="index"><span itemprop="name">leetcode</span></a>
+                  <a href="/categories/php/" itemprop="url" rel="index"><span itemprop="name">php</span></a>
                 </span>
             </span>
 
           
-            <span id="/2015/06/22/invert-binary-tree/" class="post-meta-item leancloud_visitors" data-flag-title="invert-binary-tree" title="Views">
+            <span id="/2016/07/13/swoole-websocket-test/" class="post-meta-item leancloud_visitors" data-flag-title="swoole-websocket-test" title="Views">
               <span class="post-meta-item-icon">
                 <i class="fa fa-eye"></i>
               </span>
@@ -574,8 +577,8 @@
       </span>
       <span class="post-meta-item-text">Disqus: </span>
     
-    <a title="disqus" href="/2015/06/22/invert-binary-tree/#disqus_thread" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2015/06/22/invert-binary-tree/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2016/07/13/swoole-websocket-test/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2016/07/13/swoole-websocket-test/" itemprop="commentCount"></span>
     </a>
   </span>
   
@@ -590,21 +593,16 @@
     <div class="post-body" itemprop="articleBody">
 
       
-          <p><strong>Invert a binary tree</strong></p>
-<pre><code>     4
-   /   \
-  2     7
- / \   / \
-1   3 6   9</code></pre><p>to</p>
-<pre><code>     4
-   /   \
-  7     2
- / \   / \
-9   6 3   1</code></pre><p><strong>Trivia:</strong><br>This problem was inspired by <a href="https://twitter.com/mxcl/status/608682016205344768" target="_blank" rel="noopener">this original tweet</a> by <a href="https://twitter.com/mxcl" target="_blank" rel="noopener">Max Howell</a>:</p>
-<blockquote>
-<p>Google: 90% of our engineers use the software you wrote (Homebrew),<br>but you can’t invert a binary tree on a whiteboard so fuck off.  </p>
-</blockquote>
-<figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment"> * Definition for a binary tree node.</span></span><br><span class="line"><span class="comment"> * struct TreeNode &#123;</span></span><br><span class="line"><span class="comment"> *     int val;</span></span><br><span class="line"><span class="comment"> *     TreeNode *left;</span></span><br><span class="line"><span class="comment"> *     TreeNode *right;</span></span><br><span class="line"><span class="comment"> *     TreeNode(int x) : val(x), left(NULL), right(NULL) &#123;&#125;</span></span><br><span class="line"><span class="comment"> * &#125;;</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">Solution</span> &#123;</span></span><br><span class="line"><span class="keyword">public</span>:</span><br><span class="line">    <span class="function">TreeNode* <span class="title">invertTree</span><span class="params">(TreeNode* root)</span> </span>&#123;</span><br><span class="line">        <span class="keyword">if</span>(root == <span class="literal">NULL</span>) <span class="keyword">return</span> root;</span><br><span class="line">        TreeNode* temp;</span><br><span class="line">        temp = invertTree(root-&gt;left);</span><br><span class="line">        root-&gt;left = invertTree(root-&gt;right);</span><br><span class="line">        root-&gt;right = temp;</span><br><span class="line">        <span class="keyword">return</span> root;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;;</span><br></pre></td></tr></table></figure>
+          <h3 id="玩一下swoole的websocket"><a href="#玩一下swoole的websocket" class="headerlink" title="玩一下swoole的websocket"></a>玩一下swoole的websocket</h3><p>WebSocket是HTML5开始提供的一种在单个<a href="https://zh.wikipedia.org/wiki/TCP" target="_blank" rel="noopener">TCP</a>连接上进行<a href="https://zh.wikipedia.org/wiki/%E5%85%A8%E9%9B%99%E5%B7%A5" target="_blank" rel="noopener">全双工</a>通讯的协议。WebSocket通信协议于2011年被<a href="https://zh.wikipedia.org/wiki/Internet_Engineering_Task_Force" target="_blank" rel="noopener">IETF</a>定为标准RFC 6455，WebSocketAPI被W3C定为标准。<br>,在web私信，im等应用较多。背景和优缺点可以参看<a href="https://zh.wikipedia.org/wiki/WebSocket" target="_blank" rel="noopener">wiki</a>。</p>
+<h3 id="环境准备"><a href="#环境准备" class="headerlink" title="环境准备"></a>环境准备</h3><p>因为swoole官方还不支持windows，所以需要装下linux,之前都是用ubuntu，<br>这次就试一下centos7，还是满好看的，虽然虚拟机会默认最小安装，需要在安装<br>时自己选择带gnome的，当然最小安装也是可以的，只是最后需要改下防火墙。<br>然后是装下PHP，Nginx什么的，我是用<a href="https://oneinstack.com/" target="_blank" rel="noopener">Oneinstack</a>，可以按需安装<br>给做这个的大大点个赞。</p>
+          <!--noindex-->
+            <div class="post-button">
+              <a class="btn" href="/2016/07/13/swoole-websocket-test/#more" rel="contents">
+                Read more &raquo;
+              </a>
+            </div>
+          <!--/noindex-->
+        
       
     </div>
 
@@ -625,7 +623,7 @@
   
   
   <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2015/04/15/Leetcode-No-3/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2015/06/22/invert-binary-tree/">
 
     <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
       <meta itemprop="image" content="/uploads/avatar.jpg">
@@ -639,7 +637,7 @@
       <header class="post-header">
         <h2 class="post-title" itemprop="name headline">
           
-            <a href="/2015/04/15/Leetcode-No-3/" class="post-title-link" itemprop="url">leetcode no.3</a>
+            <a href="/2015/06/22/invert-binary-tree/" class="post-title-link" itemprop="url">invert-binary-tree</a>
         </h2>
 
         <div class="post-meta">
@@ -649,7 +647,7 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2015-04-15 13:49:00" itemprop="dateCreated datePublished" datetime="2015-04-15T13:49:00+08:00">2015-04-15</time>
+              <time title="Created: 2015-06-22 10:29:44" itemprop="dateCreated datePublished" datetime="2015-06-22T10:29:44+08:00">2015-06-22</time>
             </span>
               <span class="post-meta-item">
                 <span class="post-meta-item-icon">
@@ -669,7 +667,7 @@
             </span>
 
           
-            <span id="/2015/04/15/Leetcode-No-3/" class="post-meta-item leancloud_visitors" data-flag-title="leetcode no.3" title="Views">
+            <span id="/2015/06/22/invert-binary-tree/" class="post-meta-item leancloud_visitors" data-flag-title="invert-binary-tree" title="Views">
               <span class="post-meta-item-icon">
                 <i class="fa fa-eye"></i>
               </span>
@@ -684,8 +682,8 @@
       </span>
       <span class="post-meta-item-text">Disqus: </span>
     
-    <a title="disqus" href="/2015/04/15/Leetcode-No-3/#disqus_thread" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2015/04/15/Leetcode-No-3/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2015/06/22/invert-binary-tree/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2015/06/22/invert-binary-tree/" itemprop="commentCount"></span>
     </a>
   </span>
   
@@ -700,15 +698,21 @@
     <div class="post-body" itemprop="articleBody">
 
       
-          <p>*<em>Longest Substring Without Repeating Characters *</em></p>
-          <!--noindex-->
-            <div class="post-button">
-              <a class="btn" href="/2015/04/15/Leetcode-No-3/#more" rel="contents">
-                Read more &raquo;
-              </a>
-            </div>
-          <!--/noindex-->
-        
+          <p><strong>Invert a binary tree</strong></p>
+<pre><code>     4
+   /   \
+  2     7
+ / \   / \
+1   3 6   9</code></pre><p>to</p>
+<pre><code>     4
+   /   \
+  7     2
+ / \   / \
+9   6 3   1</code></pre><p><strong>Trivia:</strong><br>This problem was inspired by <a href="https://twitter.com/mxcl/status/608682016205344768" target="_blank" rel="noopener">this original tweet</a> by <a href="https://twitter.com/mxcl" target="_blank" rel="noopener">Max Howell</a>:</p>
+<blockquote>
+<p>Google: 90% of our engineers use the software you wrote (Homebrew),<br>but you can’t invert a binary tree on a whiteboard so fuck off.  </p>
+</blockquote>
+<figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment"> * Definition for a binary tree node.</span></span><br><span class="line"><span class="comment"> * struct TreeNode &#123;</span></span><br><span class="line"><span class="comment"> *     int val;</span></span><br><span class="line"><span class="comment"> *     TreeNode *left;</span></span><br><span class="line"><span class="comment"> *     TreeNode *right;</span></span><br><span class="line"><span class="comment"> *     TreeNode(int x) : val(x), left(NULL), right(NULL) &#123;&#125;</span></span><br><span class="line"><span class="comment"> * &#125;;</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">Solution</span> &#123;</span></span><br><span class="line"><span class="keyword">public</span>:</span><br><span class="line">    <span class="function">TreeNode* <span class="title">invertTree</span><span class="params">(TreeNode* root)</span> </span>&#123;</span><br><span class="line">        <span class="keyword">if</span>(root == <span class="literal">NULL</span>) <span class="keyword">return</span> root;</span><br><span class="line">        TreeNode* temp;</span><br><span class="line">        temp = invertTree(root-&gt;left);</span><br><span class="line">        root-&gt;left = invertTree(root-&gt;right);</span><br><span class="line">        root-&gt;right = temp;</span><br><span class="line">        <span class="keyword">return</span> root;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;;</span><br></pre></td></tr></table></figure>
       
     </div>
 
@@ -728,7 +732,7 @@
 
   
   <nav class="pagination">
-    <a class="extend prev" rel="prev" href="/page/9/"><i class="fa fa-angle-left" aria-label="Previous page"></i></a><a class="page-number" href="/">1</a><span class="space">&hellip;</span><a class="page-number" href="/page/9/">9</a><span class="page-number current">10</span><a class="page-number" href="/page/11/">11</a><a class="page-number" href="/page/12/">12</a><a class="extend next" rel="next" href="/page/11/"><i class="fa fa-angle-right" aria-label="Next page"></i></a>
+    <a class="extend prev" rel="prev" href="/page/9/"><i class="fa fa-angle-left" aria-label="Previous page"></i></a><a class="page-number" href="/">1</a><span class="space">&hellip;</span><a class="page-number" href="/page/9/">9</a><span class="page-number current">10</span><a class="page-number" href="/page/11/">11</a><span class="space">&hellip;</span><a class="page-number" href="/page/13/">13</a><a class="extend next" rel="next" href="/page/11/"><i class="fa fa-angle-right" aria-label="Next page"></i></a>
   </nav>
 
 
@@ -796,7 +800,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
           <span class="site-state-item-name">posts</span>
         </a>
       </div>
@@ -809,7 +813,7 @@
       <div class="site-state-item site-state-tags">
             <a href="/tags/">
           
-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
         <span class="site-state-item-name">tags</span></a>
       </div>
   </nav>
@@ -834,7 +838,7 @@
   <div class="widget-wrap">
     <div id="myCanvasContainer" class="widget tagcloud">
       <canvas width="250" height="250" id="resCanvas" style="width=100%">
-        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">7</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span 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diff --git a/page/11/index.html b/page/11/index.html
index b9cbc10f95..16aa8e15f1 100644
--- a/page/11/index.html
+++ b/page/11/index.html
@@ -204,7 +204,7 @@
   
   
   <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2015/04/14/Add-Two-Number/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2015/04/15/Leetcode-No-3/">
 
     <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
       <meta itemprop="image" content="/uploads/avatar.jpg">
@@ -218,7 +218,7 @@
       <header class="post-header">
         <h2 class="post-title" itemprop="name headline">
           
-            <a href="/2015/04/14/Add-Two-Number/" class="post-title-link" itemprop="url">add-two-number</a>
+            <a href="/2015/04/15/Leetcode-No-3/" class="post-title-link" itemprop="url">leetcode no.3</a>
         </h2>
 
         <div class="post-meta">
@@ -228,14 +228,14 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2015-04-14 17:40:10" itemprop="dateCreated datePublished" datetime="2015-04-14T17:40:10+08:00">2015-04-14</time>
+              <time title="Created: 2015-04-15 13:49:00" itemprop="dateCreated datePublished" datetime="2015-04-15T13:49:00+08:00">2015-04-15</time>
             </span>
               <span class="post-meta-item">
                 <span class="post-meta-item-icon">
                   <i class="far fa-calendar-check"></i>
                 </span>
                 <span class="post-meta-item-text">Edited on</span>
-                <time title="Modified: 2020-01-12 21:08:27" itemprop="dateModified" datetime="2020-01-12T21:08:27+08:00">2020-01-12</time>
+                <time title="Modified: 2020-01-12 21:08:26" itemprop="dateModified" datetime="2020-01-12T21:08:26+08:00">2020-01-12</time>
               </span>
             <span class="post-meta-item">
               <span class="post-meta-item-icon">
@@ -248,7 +248,7 @@
             </span>
 
           
-            <span id="/2015/04/14/Add-Two-Number/" class="post-meta-item leancloud_visitors" data-flag-title="add-two-number" title="Views">
+            <span id="/2015/04/15/Leetcode-No-3/" class="post-meta-item leancloud_visitors" data-flag-title="leetcode no.3" title="Views">
               <span class="post-meta-item-icon">
                 <i class="fa fa-eye"></i>
               </span>
@@ -263,8 +263,8 @@
       </span>
       <span class="post-meta-item-text">Disqus: </span>
     
-    <a title="disqus" href="/2015/04/14/Add-Two-Number/#disqus_thread" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2015/04/14/Add-Two-Number/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2015/04/15/Leetcode-No-3/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2015/04/15/Leetcode-No-3/" itemprop="commentCount"></span>
     </a>
   </span>
   
@@ -279,12 +279,10 @@
     <div class="post-body" itemprop="articleBody">
 
       
-          <h3 id="problem"><a href="#problem" class="headerlink" title="problem"></a>problem</h3><p>You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a linked list.</p>
-<p><strong>Input</strong>:<code>(2 -&gt; 4 -&gt; 3) + (5 -&gt; 6 -&gt; 4)</code><br><strong>Output</strong>: <code>7 -&gt; 0 -&gt; 8</code></p>
-<p><strong>分析（不用英文装逼了）</strong><br>这个代码是抄来的，<a href="https://github.com/haoel/leetcode" target="_blank" rel="noopener">链接</a>原作是这位大大。</p>
+          <p>*<em>Longest Substring Without Repeating Characters *</em></p>
           <!--noindex-->
             <div class="post-button">
-              <a class="btn" href="/2015/04/14/Add-Two-Number/#more" rel="contents">
+              <a class="btn" href="/2015/04/15/Leetcode-No-3/#more" rel="contents">
                 Read more &raquo;
               </a>
             </div>
@@ -310,7 +308,7 @@
   
   
   <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2015/03/13/Reverse-Integer/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2015/04/14/Add-Two-Number/">
 
     <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
       <meta itemprop="image" content="/uploads/avatar.jpg">
@@ -324,7 +322,7 @@
       <header class="post-header">
         <h2 class="post-title" itemprop="name headline">
           
-            <a href="/2015/03/13/Reverse-Integer/" class="post-title-link" itemprop="url">Reverse Integer</a>
+            <a href="/2015/04/14/Add-Two-Number/" class="post-title-link" itemprop="url">add-two-number</a>
         </h2>
 
         <div class="post-meta">
@@ -334,7 +332,7 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2015-03-13 17:22:20" itemprop="dateCreated datePublished" datetime="2015-03-13T17:22:20+08:00">2015-03-13</time>
+              <time title="Created: 2015-04-14 17:40:10" itemprop="dateCreated datePublished" datetime="2015-04-14T17:40:10+08:00">2015-04-14</time>
             </span>
               <span class="post-meta-item">
                 <span class="post-meta-item-icon">
@@ -354,7 +352,7 @@
             </span>
 
           
-            <span id="/2015/03/13/Reverse-Integer/" class="post-meta-item leancloud_visitors" data-flag-title="Reverse Integer" title="Views">
+            <span id="/2015/04/14/Add-Two-Number/" class="post-meta-item leancloud_visitors" data-flag-title="add-two-number" title="Views">
               <span class="post-meta-item-icon">
                 <i class="fa fa-eye"></i>
               </span>
@@ -369,8 +367,8 @@
       </span>
       <span class="post-meta-item-text">Disqus: </span>
     
-    <a title="disqus" href="/2015/03/13/Reverse-Integer/#disqus_thread" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2015/03/13/Reverse-Integer/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2015/04/14/Add-Two-Number/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2015/04/14/Add-Two-Number/" itemprop="commentCount"></span>
     </a>
   </span>
   
@@ -385,10 +383,12 @@
     <div class="post-body" itemprop="articleBody">
 
       
-          <h3 id="Reverse-Integer"><a href="#Reverse-Integer" class="headerlink" title="Reverse Integer"></a><a href="https://leetcode.com/problems/reverse-integer/" target="_blank" rel="noopener">Reverse Integer</a></h3><h4 id="Reverse-digits-of-an-integer"><a href="#Reverse-digits-of-an-integer" class="headerlink" title="Reverse digits of an integer."></a>Reverse digits of an integer.</h4><p>Example1: x = 123, return 321<br>Example2: x = -123, return -321</p>
+          <h3 id="problem"><a href="#problem" class="headerlink" title="problem"></a>problem</h3><p>You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a linked list.</p>
+<p><strong>Input</strong>:<code>(2 -&gt; 4 -&gt; 3) + (5 -&gt; 6 -&gt; 4)</code><br><strong>Output</strong>: <code>7 -&gt; 0 -&gt; 8</code></p>
+<p><strong>分析（不用英文装逼了）</strong><br>这个代码是抄来的，<a href="https://github.com/haoel/leetcode" target="_blank" rel="noopener">链接</a>原作是这位大大。</p>
           <!--noindex-->
             <div class="post-button">
-              <a class="btn" href="/2015/03/13/Reverse-Integer/#more" rel="contents">
+              <a class="btn" href="/2015/04/14/Add-Two-Number/#more" rel="contents">
                 Read more &raquo;
               </a>
             </div>
@@ -414,7 +414,7 @@
   
   
   <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2015/03/11/Reverse-Bits/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2015/03/13/Reverse-Integer/">
 
     <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
       <meta itemprop="image" content="/uploads/avatar.jpg">
@@ -428,7 +428,7 @@
       <header class="post-header">
         <h2 class="post-title" itemprop="name headline">
           
-            <a href="/2015/03/11/Reverse-Bits/" class="post-title-link" itemprop="url">Reverse Bits</a>
+            <a href="/2015/03/13/Reverse-Integer/" class="post-title-link" itemprop="url">Reverse Integer</a>
         </h2>
 
         <div class="post-meta">
@@ -438,7 +438,7 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2015-03-11 17:35:20" itemprop="dateCreated datePublished" datetime="2015-03-11T17:35:20+08:00">2015-03-11</time>
+              <time title="Created: 2015-03-13 17:22:20" itemprop="dateCreated datePublished" datetime="2015-03-13T17:22:20+08:00">2015-03-13</time>
             </span>
               <span class="post-meta-item">
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@@ -458,7 +458,7 @@
             </span>
 
           
-            <span id="/2015/03/11/Reverse-Bits/" class="post-meta-item leancloud_visitors" data-flag-title="Reverse Bits" title="Views">
+            <span id="/2015/03/13/Reverse-Integer/" class="post-meta-item leancloud_visitors" data-flag-title="Reverse Integer" title="Views">
               <span class="post-meta-item-icon">
                 <i class="fa fa-eye"></i>
               </span>
@@ -473,8 +473,8 @@
       </span>
       <span class="post-meta-item-text">Disqus: </span>
     
-    <a title="disqus" href="/2015/03/11/Reverse-Bits/#disqus_thread" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2015/03/11/Reverse-Bits/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2015/03/13/Reverse-Integer/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2015/03/13/Reverse-Integer/" itemprop="commentCount"></span>
     </a>
   </span>
   
@@ -489,10 +489,10 @@
     <div class="post-body" itemprop="articleBody">
 
       
-          <h3 id="Reverse-Bits"><a href="#Reverse-Bits" class="headerlink" title="Reverse Bits "></a><a href="https://leetcode.com/problems/reverse-bits/" target="_blank" rel="noopener">Reverse Bits </a></h3><h4 id="Reverse-bits-of-a-given-32-bits-unsigned-integer"><a href="#Reverse-bits-of-a-given-32-bits-unsigned-integer" class="headerlink" title="Reverse bits of a given 32 bits unsigned integer."></a>Reverse bits of a given 32 bits unsigned integer.</h4><p>For example, given input 43261596 (represented in binary as 00000010100101000001111010011100), return 964176192 (represented in binary as 00111001011110000010100101000000).</p>
+          <h3 id="Reverse-Integer"><a href="#Reverse-Integer" class="headerlink" title="Reverse Integer"></a><a href="https://leetcode.com/problems/reverse-integer/" target="_blank" rel="noopener">Reverse Integer</a></h3><h4 id="Reverse-digits-of-an-integer"><a href="#Reverse-digits-of-an-integer" class="headerlink" title="Reverse digits of an integer."></a>Reverse digits of an integer.</h4><p>Example1: x = 123, return 321<br>Example2: x = -123, return -321</p>
           <!--noindex-->
             <div class="post-button">
-              <a class="btn" href="/2015/03/11/Reverse-Bits/#more" rel="contents">
+              <a class="btn" href="/2015/03/13/Reverse-Integer/#more" rel="contents">
                 Read more &raquo;
               </a>
             </div>
@@ -518,7 +518,7 @@
   
   
   <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2015/03/11/Number-Of-1-Bits/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2015/03/11/Reverse-Bits/">
 
     <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
       <meta itemprop="image" content="/uploads/avatar.jpg">
@@ -532,7 +532,7 @@
       <header class="post-header">
         <h2 class="post-title" itemprop="name headline">
           
-            <a href="/2015/03/11/Number-Of-1-Bits/" class="post-title-link" itemprop="url">Number of 1 Bits</a>
+            <a href="/2015/03/11/Reverse-Bits/" class="post-title-link" itemprop="url">Reverse Bits</a>
         </h2>
 
         <div class="post-meta">
@@ -542,14 +542,14 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2015-03-11 17:02:58" itemprop="dateCreated datePublished" datetime="2015-03-11T17:02:58+08:00">2015-03-11</time>
+              <time title="Created: 2015-03-11 17:35:20" itemprop="dateCreated datePublished" datetime="2015-03-11T17:35:20+08:00">2015-03-11</time>
             </span>
               <span class="post-meta-item">
                 <span class="post-meta-item-icon">
                   <i class="far fa-calendar-check"></i>
                 </span>
                 <span class="post-meta-item-text">Edited on</span>
-                <time title="Modified: 2020-01-12 21:08:26" itemprop="dateModified" datetime="2020-01-12T21:08:26+08:00">2020-01-12</time>
+                <time title="Modified: 2020-01-12 21:08:27" itemprop="dateModified" datetime="2020-01-12T21:08:27+08:00">2020-01-12</time>
               </span>
             <span class="post-meta-item">
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@@ -562,7 +562,7 @@
             </span>
 
           
-            <span id="/2015/03/11/Number-Of-1-Bits/" class="post-meta-item leancloud_visitors" data-flag-title="Number of 1 Bits" title="Views">
+            <span id="/2015/03/11/Reverse-Bits/" class="post-meta-item leancloud_visitors" data-flag-title="Reverse Bits" title="Views">
               <span class="post-meta-item-icon">
                 <i class="fa fa-eye"></i>
               </span>
@@ -577,8 +577,8 @@
       </span>
       <span class="post-meta-item-text">Disqus: </span>
     
-    <a title="disqus" href="/2015/03/11/Number-Of-1-Bits/#disqus_thread" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2015/03/11/Number-Of-1-Bits/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2015/03/11/Reverse-Bits/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2015/03/11/Reverse-Bits/" itemprop="commentCount"></span>
     </a>
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@@ -593,10 +593,10 @@
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-          <h3 id="Number-of-1-Bits"><a href="#Number-of-1-Bits" class="headerlink" title="Number of 1 Bits "></a><a href="https://leetcode.com/problems/number-of-1-bits/" target="_blank" rel="noopener">Number of 1 Bits </a></h3><h4 id="Write-a-function-that-takes-an-unsigned-integer-and-returns-the-number-of-’1’-bits-it-has-also-known-as-the-Hamming-weight-For-example-the-32-bit-integer-‘11’-has-binary-representation-00000000000000000000000000001011-so-the-function-should-return-3"><a href="#Write-a-function-that-takes-an-unsigned-integer-and-returns-the-number-of-’1’-bits-it-has-also-known-as-the-Hamming-weight-For-example-the-32-bit-integer-‘11’-has-binary-representation-00000000000000000000000000001011-so-the-function-should-return-3" class="headerlink" title="Write a function that takes an unsigned integer and returns the number of ’1’ bits it has (also known as the Hamming weight). For example, the 32-bit integer ‘11’ has binary representation  00000000000000000000000000001011, so the function should return 3."></a>Write a function that takes an unsigned integer and returns the number of ’1’ bits it has (also known as the Hamming weight). For example, the 32-bit integer ‘11’ has binary representation  <code>00000000000000000000000000001011</code>, so the function should return 3.</h4>
+          <h3 id="Reverse-Bits"><a href="#Reverse-Bits" class="headerlink" title="Reverse Bits "></a><a href="https://leetcode.com/problems/reverse-bits/" target="_blank" rel="noopener">Reverse Bits </a></h3><h4 id="Reverse-bits-of-a-given-32-bits-unsigned-integer"><a href="#Reverse-bits-of-a-given-32-bits-unsigned-integer" class="headerlink" title="Reverse bits of a given 32 bits unsigned integer."></a>Reverse bits of a given 32 bits unsigned integer.</h4><p>For example, given input 43261596 (represented in binary as 00000010100101000001111010011100), return 964176192 (represented in binary as 00111001011110000010100101000000).</p>
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+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2015/03/11/Number-Of-1-Bits/">
 
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+            <a href="/2015/03/11/Number-Of-1-Bits/" class="post-title-link" itemprop="url">Number of 1 Bits</a>
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@@ -646,7 +646,7 @@
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-              <time title="Created: 2015-01-16 14:30:20" itemprop="dateCreated datePublished" datetime="2015-01-16T14:30:20+08:00">2015-01-16</time>
+              <time title="Created: 2015-03-11 17:02:58" itemprop="dateCreated datePublished" datetime="2015-03-11T17:02:58+08:00">2015-03-11</time>
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@@ -697,13 +697,10 @@
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-          <h3 id="Pcre"><a href="#Pcre" class="headerlink" title="Pcre"></a><a href="http://www.pcre.org/" target="_blank" rel="noopener">Pcre</a></h3><blockquote>
-<p>Perl Compatible Regular Expressions (PCRE) is a regular<br> expression C library inspired by the regular expression<br> capabilities in the Perl programming language, written<br> by Philip Hazel, starting in summer 1997.</p>
-</blockquote>
-<p>因为最近工作内容的一部分需要做字符串的识别处理，所以就顺便用上了之前在PHP中用过的正则，在C/C++中本身不包含正则库，这里使用的pcre，对MFC开发，在<a href="http://www.psyon.org/projects/pcre-win32/index.php" target="_blank" rel="noopener">这里</a>提供了静态链接库，在引入lib跟.h文件后即可使用。</p>
+          <h3 id="Number-of-1-Bits"><a href="#Number-of-1-Bits" class="headerlink" title="Number of 1 Bits "></a><a href="https://leetcode.com/problems/number-of-1-bits/" target="_blank" rel="noopener">Number of 1 Bits </a></h3><h4 id="Write-a-function-that-takes-an-unsigned-integer-and-returns-the-number-of-’1’-bits-it-has-also-known-as-the-Hamming-weight-For-example-the-32-bit-integer-‘11’-has-binary-representation-00000000000000000000000000001011-so-the-function-should-return-3"><a href="#Write-a-function-that-takes-an-unsigned-integer-and-returns-the-number-of-’1’-bits-it-has-also-known-as-the-Hamming-weight-For-example-the-32-bit-integer-‘11’-has-binary-representation-00000000000000000000000000001011-so-the-function-should-return-3" class="headerlink" title="Write a function that takes an unsigned integer and returns the number of ’1’ bits it has (also known as the Hamming weight). For example, the 32-bit integer ‘11’ has binary representation  00000000000000000000000000001011, so the function should return 3."></a>Write a function that takes an unsigned integer and returns the number of ’1’ bits it has (also known as the Hamming weight). For example, the 32-bit integer ‘11’ has binary representation  <code>00000000000000000000000000001011</code>, so the function should return 3.</h4>
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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span 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diff --git a/page/12/index.html b/page/12/index.html
index b04031c1ca..e4b026ada3 100644
--- a/page/12/index.html
+++ b/page/12/index.html
@@ -204,7 +204,7 @@
   
   
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-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2015/01/14/Two-Sum/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2015/01/16/pcre-intro-and-a-simple-package/">
 
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       <meta itemprop="image" content="/uploads/avatar.jpg">
@@ -218,7 +218,7 @@
       <header class="post-header">
         <h2 class="post-title" itemprop="name headline">
           
-            <a href="/2015/01/14/Two-Sum/" class="post-title-link" itemprop="url">two sum</a>
+            <a href="/2015/01/16/pcre-intro-and-a-simple-package/" class="post-title-link" itemprop="url">pcre-intro-and-a-simple-package</a>
         </h2>
 
         <div class="post-meta">
@@ -228,14 +228,14 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2015-01-14 15:39:31" itemprop="dateCreated datePublished" datetime="2015-01-14T15:39:31+08:00">2015-01-14</time>
+              <time title="Created: 2015-01-16 14:30:20" itemprop="dateCreated datePublished" datetime="2015-01-16T14:30:20+08:00">2015-01-16</time>
             </span>
               <span class="post-meta-item">
                 <span class="post-meta-item-icon">
                   <i class="far fa-calendar-check"></i>
                 </span>
                 <span class="post-meta-item-text">Edited on</span>
-                <time title="Modified: 2020-01-12 21:08:27" itemprop="dateModified" datetime="2020-01-12T21:08:27+08:00">2020-01-12</time>
+                <time title="Modified: 2020-01-12 21:08:26" itemprop="dateModified" datetime="2020-01-12T21:08:26+08:00">2020-01-12</time>
               </span>
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@@ -243,12 +243,12 @@
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                 <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/leetcode/" itemprop="url" rel="index"><span itemprop="name">leetcode</span></a>
+                  <a href="/categories/C/" itemprop="url" rel="index"><span itemprop="name">C++</span></a>
                 </span>
             </span>
 
           
-            <span id="/2015/01/14/Two-Sum/" class="post-meta-item leancloud_visitors" data-flag-title="two sum" title="Views">
+            <span id="/2015/01/16/pcre-intro-and-a-simple-package/" class="post-meta-item leancloud_visitors" data-flag-title="pcre-intro-and-a-simple-package" title="Views">
               <span class="post-meta-item-icon">
                 <i class="fa fa-eye"></i>
               </span>
@@ -263,8 +263,8 @@
       </span>
       <span class="post-meta-item-text">Disqus: </span>
     
-    <a title="disqus" href="/2015/01/14/Two-Sum/#disqus_thread" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2015/01/14/Two-Sum/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2015/01/16/pcre-intro-and-a-simple-package/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2015/01/16/pcre-intro-and-a-simple-package/" itemprop="commentCount"></span>
     </a>
   </span>
   
@@ -279,11 +279,13 @@
     <div class="post-body" itemprop="articleBody">
 
       
-          <h3 id="problem"><a href="#problem" class="headerlink" title="problem"></a>problem</h3><p>Given an array of integers, find two numbers such that they add up to a specific target number.</p>
-<p>The function twoSum should return indices of the two numbers such that they add up to the target, where index1 must be less than index2. Please note that your returned answers (both index1 and index2) are not zero-based.</p>
+          <h3 id="Pcre"><a href="#Pcre" class="headerlink" title="Pcre"></a><a href="http://www.pcre.org/" target="_blank" rel="noopener">Pcre</a></h3><blockquote>
+<p>Perl Compatible Regular Expressions (PCRE) is a regular<br> expression C library inspired by the regular expression<br> capabilities in the Perl programming language, written<br> by Philip Hazel, starting in summer 1997.</p>
+</blockquote>
+<p>因为最近工作内容的一部分需要做字符串的识别处理，所以就顺便用上了之前在PHP中用过的正则，在C/C++中本身不包含正则库，这里使用的pcre，对MFC开发，在<a href="http://www.psyon.org/projects/pcre-win32/index.php" target="_blank" rel="noopener">这里</a>提供了静态链接库，在引入lib跟.h文件后即可使用。</p>
           <!--noindex-->
             <div class="post-button">
-              <a class="btn" href="/2015/01/14/Two-Sum/#more" rel="contents">
+              <a class="btn" href="/2015/01/16/pcre-intro-and-a-simple-package/#more" rel="contents">
                 Read more &raquo;
               </a>
             </div>
@@ -309,7 +311,7 @@
   
   
   <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2015/01/04/Path-Sum/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2015/01/14/Two-Sum/">
 
     <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
       <meta itemprop="image" content="/uploads/avatar.jpg">
@@ -323,7 +325,7 @@
       <header class="post-header">
         <h2 class="post-title" itemprop="name headline">
           
-            <a href="/2015/01/04/Path-Sum/" class="post-title-link" itemprop="url">Path Sum</a>
+            <a href="/2015/01/14/Two-Sum/" class="post-title-link" itemprop="url">two sum</a>
         </h2>
 
         <div class="post-meta">
@@ -333,14 +335,14 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2015-01-04 15:44:10" itemprop="dateCreated datePublished" datetime="2015-01-04T15:44:10+08:00">2015-01-04</time>
+              <time title="Created: 2015-01-14 15:39:31" itemprop="dateCreated datePublished" datetime="2015-01-14T15:39:31+08:00">2015-01-14</time>
             </span>
               <span class="post-meta-item">
                 <span class="post-meta-item-icon">
                   <i class="far fa-calendar-check"></i>
                 </span>
                 <span class="post-meta-item-text">Edited on</span>
-                <time title="Modified: 2020-01-12 21:08:26" itemprop="dateModified" datetime="2020-01-12T21:08:26+08:00">2020-01-12</time>
+                <time title="Modified: 2020-01-12 21:08:27" itemprop="dateModified" datetime="2020-01-12T21:08:27+08:00">2020-01-12</time>
               </span>
             <span class="post-meta-item">
               <span class="post-meta-item-icon">
@@ -353,7 +355,7 @@
             </span>
 
           
-            <span id="/2015/01/04/Path-Sum/" class="post-meta-item leancloud_visitors" data-flag-title="Path Sum" title="Views">
+            <span id="/2015/01/14/Two-Sum/" class="post-meta-item leancloud_visitors" data-flag-title="two sum" title="Views">
               <span class="post-meta-item-icon">
                 <i class="fa fa-eye"></i>
               </span>
@@ -368,8 +370,8 @@
       </span>
       <span class="post-meta-item-text">Disqus: </span>
     
-    <a title="disqus" href="/2015/01/04/Path-Sum/#disqus_thread" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2015/01/04/Path-Sum/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2015/01/14/Two-Sum/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2015/01/14/Two-Sum/" itemprop="commentCount"></span>
     </a>
   </span>
   
@@ -384,10 +386,11 @@
     <div class="post-body" itemprop="articleBody">
 
       
-          <h3 id="problem"><a href="#problem" class="headerlink" title="problem"></a>problem</h3><p>Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.</p>
+          <h3 id="problem"><a href="#problem" class="headerlink" title="problem"></a>problem</h3><p>Given an array of integers, find two numbers such that they add up to a specific target number.</p>
+<p>The function twoSum should return indices of the two numbers such that they add up to the target, where index1 must be less than index2. Please note that your returned answers (both index1 and index2) are not zero-based.</p>
           <!--noindex-->
             <div class="post-button">
-              <a class="btn" href="/2015/01/04/Path-Sum/#more" rel="contents">
+              <a class="btn" href="/2015/01/14/Two-Sum/#more" rel="contents">
                 Read more &raquo;
               </a>
             </div>
@@ -413,7 +416,7 @@
   
   
   <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2014/12/30/Clone-Graph-Part-I/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2015/01/04/Path-Sum/">
 
     <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
       <meta itemprop="image" content="/uploads/avatar.jpg">
@@ -427,7 +430,7 @@
       <header class="post-header">
         <h2 class="post-title" itemprop="name headline">
           
-            <a href="/2014/12/30/Clone-Graph-Part-I/" class="post-title-link" itemprop="url">Clone Graph Part I</a>
+            <a href="/2015/01/04/Path-Sum/" class="post-title-link" itemprop="url">Path Sum</a>
         </h2>
 
         <div class="post-meta">
@@ -437,7 +440,7 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2014-12-30 16:50:01" itemprop="dateCreated datePublished" datetime="2014-12-30T16:50:01+08:00">2014-12-30</time>
+              <time title="Created: 2015-01-04 15:44:10" itemprop="dateCreated datePublished" datetime="2015-01-04T15:44:10+08:00">2015-01-04</time>
             </span>
               <span class="post-meta-item">
                 <span class="post-meta-item-icon">
@@ -457,7 +460,7 @@
             </span>
 
           
-            <span id="/2014/12/30/Clone-Graph-Part-I/" class="post-meta-item leancloud_visitors" data-flag-title="Clone Graph Part I" title="Views">
+            <span id="/2015/01/04/Path-Sum/" class="post-meta-item leancloud_visitors" data-flag-title="Path Sum" title="Views">
               <span class="post-meta-item-icon">
                 <i class="fa fa-eye"></i>
               </span>
@@ -472,8 +475,8 @@
       </span>
       <span class="post-meta-item-text">Disqus: </span>
     
-    <a title="disqus" href="/2014/12/30/Clone-Graph-Part-I/#disqus_thread" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2014/12/30/Clone-Graph-Part-I/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2015/01/04/Path-Sum/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2015/01/04/Path-Sum/" itemprop="commentCount"></span>
     </a>
   </span>
   
@@ -488,10 +491,10 @@
     <div class="post-body" itemprop="articleBody">
 
       
-          <h3 id="problem"><a href="#problem" class="headerlink" title="problem"></a>problem</h3><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br></pre></td><td class="code"><pre><span class="line">Clone a graph. Input is a Node pointer. Return the Node pointer of the cloned graph.</span><br><span class="line"></span><br><span class="line">A graph is defined below:</span><br><span class="line">struct Node &#123;</span><br><span class="line">vector neighbors;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+          <h3 id="problem"><a href="#problem" class="headerlink" title="problem"></a>problem</h3><p>Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.</p>
           <!--noindex-->
             <div class="post-button">
-              <a class="btn" href="/2014/12/30/Clone-Graph-Part-I/#more" rel="contents">
+              <a class="btn" href="/2015/01/04/Path-Sum/#more" rel="contents">
                 Read more &raquo;
               </a>
             </div>
@@ -517,7 +520,7 @@
   
   
   <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2014/12/24/MFC%20%E6%A8%A1%E6%80%81%E5%AF%B9%E8%AF%9D%E6%A1%86/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2014/12/30/Clone-Graph-Part-I/">
 
     <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
       <meta itemprop="image" content="/uploads/avatar.jpg">
@@ -531,7 +534,7 @@
       <header class="post-header">
         <h2 class="post-title" itemprop="name headline">
           
-            <a href="/2014/12/24/MFC%20%E6%A8%A1%E6%80%81%E5%AF%B9%E8%AF%9D%E6%A1%86/" class="post-title-link" itemprop="url">MFC 模态对话框</a>
+            <a href="/2014/12/30/Clone-Graph-Part-I/" class="post-title-link" itemprop="url">Clone Graph Part I</a>
         </h2>
 
         <div class="post-meta">
@@ -541,14 +544,14 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2014-12-24 09:35:37" itemprop="dateCreated datePublished" datetime="2014-12-24T09:35:37+08:00">2014-12-24</time>
+              <time title="Created: 2014-12-30 16:50:01" itemprop="dateCreated datePublished" datetime="2014-12-30T16:50:01+08:00">2014-12-30</time>
             </span>
               <span class="post-meta-item">
                 <span class="post-meta-item-icon">
                   <i class="far fa-calendar-check"></i>
                 </span>
                 <span class="post-meta-item-text">Edited on</span>
-                <time title="Modified: 2020-01-12 21:08:27" itemprop="dateModified" datetime="2020-01-12T21:08:27+08:00">2020-01-12</time>
+                <time title="Modified: 2020-01-12 21:08:26" itemprop="dateModified" datetime="2020-01-12T21:08:26+08:00">2020-01-12</time>
               </span>
             <span class="post-meta-item">
               <span class="post-meta-item-icon">
@@ -556,12 +559,12 @@
               </span>
               <span class="post-meta-item-text">In</span>
                 <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/C/" itemprop="url" rel="index"><span itemprop="name">C++</span></a>
+                  <a href="/categories/leetcode/" itemprop="url" rel="index"><span itemprop="name">leetcode</span></a>
                 </span>
             </span>
 
           
-            <span id="/2014/12/24/MFC%20%E6%A8%A1%E6%80%81%E5%AF%B9%E8%AF%9D%E6%A1%86/" class="post-meta-item leancloud_visitors" data-flag-title="MFC 模态对话框" title="Views">
+            <span id="/2014/12/30/Clone-Graph-Part-I/" class="post-meta-item leancloud_visitors" data-flag-title="Clone Graph Part I" title="Views">
               <span class="post-meta-item-icon">
                 <i class="fa fa-eye"></i>
               </span>
@@ -576,8 +579,8 @@
       </span>
       <span class="post-meta-item-text">Disqus: </span>
     
-    <a title="disqus" href="/2014/12/24/MFC%20%E6%A8%A1%E6%80%81%E5%AF%B9%E8%AF%9D%E6%A1%86/#disqus_thread" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2014/12/24/MFC 模态对话框/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2014/12/30/Clone-Graph-Part-I/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2014/12/30/Clone-Graph-Part-I/" itemprop="commentCount"></span>
     </a>
   </span>
   
@@ -592,10 +595,15 @@
     <div class="post-body" itemprop="articleBody">
 
       
-          <figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">void</span> <span class="title">CTestDialog::OnBnClickedOk</span><span class="params">()</span> </span></span><br><span class="line"><span class="function"></span>&#123;</span><br><span class="line">	CString m_SrcTest;</span><br><span class="line">	<span class="keyword">int</span> nIndex = m_CbTest.GetCurSel(); </span><br><span class="line">	m_CbTest.GetLBText(nIndex, m_SrcTest);  </span><br><span class="line">	OnOK();</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
-
-<p>模态对话框弹出确定后，在弹出对话框时新建的类及其变量会存在，但是对于其中的控件<br>对象无法调用函数，即如果要在主对话框中获得弹出对话框的Combo box选中值的话，需<br>要在弹出  对话框的确定函数内将其值取出，赋值给弹出对话框的公有变量，这样就可以<br>在主对话框类得到值。  </p>
-
+          <h3 id="problem"><a href="#problem" class="headerlink" title="problem"></a>problem</h3><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br></pre></td><td class="code"><pre><span class="line">Clone a graph. Input is a Node pointer. Return the Node pointer of the cloned graph.</span><br><span class="line"></span><br><span class="line">A graph is defined below:</span><br><span class="line">struct Node &#123;</span><br><span class="line">vector neighbors;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+          <!--noindex-->
+            <div class="post-button">
+              <a class="btn" href="/2014/12/30/Clone-Graph-Part-I/#more" rel="contents">
+                Read more &raquo;
+              </a>
+            </div>
+          <!--/noindex-->
+        
       
     </div>
 
@@ -616,7 +624,7 @@
   
   
   <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2014/12/23/my-new-post/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2014/12/24/MFC%20%E6%A8%A1%E6%80%81%E5%AF%B9%E8%AF%9D%E6%A1%86/">
 
     <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
       <meta itemprop="image" content="/uploads/avatar.jpg">
@@ -630,7 +638,7 @@
       <header class="post-header">
         <h2 class="post-title" itemprop="name headline">
           
-            <a href="/2014/12/23/my-new-post/" class="post-title-link" itemprop="url">C++ 指针使用中的一个小问题</a>
+            <a href="/2014/12/24/MFC%20%E6%A8%A1%E6%80%81%E5%AF%B9%E8%AF%9D%E6%A1%86/" class="post-title-link" itemprop="url">MFC 模态对话框</a>
         </h2>
 
         <div class="post-meta">
@@ -640,14 +648,14 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2014-12-23 09:58:11" itemprop="dateCreated datePublished" datetime="2014-12-23T09:58:11+08:00">2014-12-23</time>
+              <time title="Created: 2014-12-24 09:35:37" itemprop="dateCreated datePublished" datetime="2014-12-24T09:35:37+08:00">2014-12-24</time>
             </span>
               <span class="post-meta-item">
                 <span class="post-meta-item-icon">
                   <i class="far fa-calendar-check"></i>
                 </span>
                 <span class="post-meta-item-text">Edited on</span>
-                <time title="Modified: 2020-01-12 21:08:26" itemprop="dateModified" datetime="2020-01-12T21:08:26+08:00">2020-01-12</time>
+                <time title="Modified: 2020-01-12 21:08:27" itemprop="dateModified" datetime="2020-01-12T21:08:27+08:00">2020-01-12</time>
               </span>
             <span class="post-meta-item">
               <span class="post-meta-item-icon">
@@ -660,7 +668,7 @@
             </span>
 
           
-            <span id="/2014/12/23/my-new-post/" class="post-meta-item leancloud_visitors" data-flag-title="C++ 指针使用中的一个小问题" title="Views">
+            <span id="/2014/12/24/MFC%20%E6%A8%A1%E6%80%81%E5%AF%B9%E8%AF%9D%E6%A1%86/" class="post-meta-item leancloud_visitors" data-flag-title="MFC 模态对话框" title="Views">
               <span class="post-meta-item-icon">
                 <i class="fa fa-eye"></i>
               </span>
@@ -675,8 +683,8 @@
       </span>
       <span class="post-meta-item-text">Disqus: </span>
     
-    <a title="disqus" href="/2014/12/23/my-new-post/#disqus_thread" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2014/12/23/my-new-post/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2014/12/24/MFC%20%E6%A8%A1%E6%80%81%E5%AF%B9%E8%AF%9D%E6%A1%86/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2014/12/24/MFC 模态对话框/" itemprop="commentCount"></span>
     </a>
   </span>
   
@@ -691,8 +699,9 @@
     <div class="post-body" itemprop="articleBody">
 
       
-          <h4 id="在工作中碰到的一点C-指针上的一点小问题"><a href="#在工作中碰到的一点C-指针上的一点小问题" class="headerlink" title="在工作中碰到的一点C++指针上的一点小问题"></a>在工作中碰到的一点C++指针上的一点小问题</h4><hr>
-<p>在C++中，应该是从C语言就开始了，除了<a href="">void</a>型指针之外都是需要有分配对应的内存才可以使用，同时<a href="">malloc</a>与<a href="">free</a>成对使用，<a href="">new</a>与<a href="">delete</a>成对使用，否则造成内存泄漏。</p>
+          <figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">void</span> <span class="title">CTestDialog::OnBnClickedOk</span><span class="params">()</span> </span></span><br><span class="line"><span class="function"></span>&#123;</span><br><span class="line">	CString m_SrcTest;</span><br><span class="line">	<span class="keyword">int</span> nIndex = m_CbTest.GetCurSel(); </span><br><span class="line">	m_CbTest.GetLBText(nIndex, m_SrcTest);  </span><br><span class="line">	OnOK();</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+<p>模态对话框弹出确定后，在弹出对话框时新建的类及其变量会存在，但是对于其中的控件<br>对象无法调用函数，即如果要在主对话框中获得弹出对话框的Combo box选中值的话，需<br>要在弹出  对话框的确定函数内将其值取出，赋值给弹出对话框的公有变量，这样就可以<br>在主对话框类得到值。  </p>
 
       
     </div>
@@ -713,7 +722,7 @@
 
   
   <nav class="pagination">
-    <a class="extend prev" rel="prev" href="/page/11/"><i class="fa fa-angle-left" aria-label="Previous page"></i></a><a class="page-number" href="/">1</a><span class="space">&hellip;</span><a class="page-number" href="/page/11/">11</a><span class="page-number current">12</span>
+    <a class="extend prev" rel="prev" href="/page/11/"><i class="fa fa-angle-left" aria-label="Previous page"></i></a><a class="page-number" href="/">1</a><span class="space">&hellip;</span><a class="page-number" href="/page/11/">11</a><span class="page-number current">12</span><a class="page-number" href="/page/13/">13</a><a class="extend next" rel="next" href="/page/13/"><i class="fa fa-angle-right" aria-label="Next page"></i></a>
   </nav>
 
 
@@ -781,7 +790,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
           <span class="site-state-item-name">posts</span>
         </a>
       </div>
@@ -794,7 +803,7 @@
       <div class="site-state-item site-state-tags">
             <a href="/tags/">
           
-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
         <span class="site-state-item-name">tags</span></a>
       </div>
   </nav>
@@ -819,7 +828,7 @@
   <div class="widget-wrap">
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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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+                <span class="post-meta-item-text">Edited on</span>
+                <time title="Modified: 2020-01-12 21:08:26" itemprop="dateModified" datetime="2020-01-12T21:08:26+08:00">2020-01-12</time>
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+          <h4 id="在工作中碰到的一点C-指针上的一点小问题"><a href="#在工作中碰到的一点C-指针上的一点小问题" class="headerlink" title="在工作中碰到的一点C++指针上的一点小问题"></a>在工作中碰到的一点C++指针上的一点小问题</h4><hr>
+<p>在C++中，应该是从C语言就开始了，除了<a href="">void</a>型指针之外都是需要有分配对应的内存才可以使用，同时<a href="">malloc</a>与<a href="">free</a>成对使用，<a href="">new</a>与<a href="">delete</a>成对使用，否则造成内存泄漏。</p>
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+</script>
+
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+</html>
diff --git a/page/2/index.html b/page/2/index.html
index 1c514bf317..d83639a2ef 100644
--- a/page/2/index.html
+++ b/page/2/index.html
@@ -203,6 +203,154 @@
       
   
   
+  <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2020/06/26/%E8%81%8A%E4%B8%80%E4%B8%8B-RocketMQ-%E7%9A%84-Consumer/">
+
+    <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
+      <meta itemprop="image" content="/uploads/avatar.jpg">
+      <meta itemprop="name" content="Nicksxs">
+      <meta itemprop="description" content="learn from zero,技术博客，Nicksxs，史学森">
+    </span>
+
+    <span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization">
+      <meta itemprop="name" content="Nicksxs's Blog">
+    </span>
+      <header class="post-header">
+        <h2 class="post-title" itemprop="name headline">
+          
+            <a href="/2020/06/26/%E8%81%8A%E4%B8%80%E4%B8%8B-RocketMQ-%E7%9A%84-Consumer/" class="post-title-link" itemprop="url">聊一下 RocketMQ 的 DefaultMQPushConsumer 源码</a>
+        </h2>
+
+        <div class="post-meta">
+            <span class="post-meta-item">
+              <span class="post-meta-item-icon">
+                <i class="far fa-calendar"></i>
+              </span>
+              <span class="post-meta-item-text">Posted on</span>
+
+              <time title="Created: 2020-06-26 22:21:20" itemprop="dateCreated datePublished" datetime="2020-06-26T22:21:20+08:00">2020-06-26</time>
+            </span>
+              <span class="post-meta-item">
+                <span class="post-meta-item-icon">
+                  <i class="far fa-calendar-check"></i>
+                </span>
+                <span class="post-meta-item-text">Edited on</span>
+                <time title="Modified: 2020-07-05 21:03:52" itemprop="dateModified" datetime="2020-07-05T21:03:52+08:00">2020-07-05</time>
+              </span>
+            <span class="post-meta-item">
+              <span class="post-meta-item-icon">
+                <i class="far fa-folder"></i>
+              </span>
+              <span class="post-meta-item-text">In</span>
+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/MQ/" itemprop="url" rel="index"><span itemprop="name">MQ</span></a>
+                </span>
+                  , 
+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/RocketMQ/" itemprop="url" rel="index"><span itemprop="name">RocketMQ</span></a>
+                </span>
+                  , 
+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" itemprop="url" rel="index"><span itemprop="name">消息队列</span></a>
+                </span>
+                  , 
+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/RocketMQ/" itemprop="url" rel="index"><span itemprop="name">RocketMQ</span></a>
+                </span>
+                  , 
+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/%E4%B8%AD%E9%97%B4%E4%BB%B6/" itemprop="url" rel="index"><span itemprop="name">中间件</span></a>
+                </span>
+                  , 
+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/%E4%B8%AD%E9%97%B4%E4%BB%B6/RocketMQ/" itemprop="url" rel="index"><span itemprop="name">RocketMQ</span></a>
+                </span>
+            </span>
+
+          
+            <span id="/2020/06/26/%E8%81%8A%E4%B8%80%E4%B8%8B-RocketMQ-%E7%9A%84-Consumer/" class="post-meta-item leancloud_visitors" data-flag-title="聊一下 RocketMQ 的 DefaultMQPushConsumer 源码" title="Views">
+              <span class="post-meta-item-icon">
+                <i class="fa fa-eye"></i>
+              </span>
+              <span class="post-meta-item-text">Views: </span>
+              <span class="leancloud-visitors-count"></span>
+            </span>
+  
+  <span class="post-meta-item">
+    
+      <span class="post-meta-item-icon">
+        <i class="far fa-comment"></i>
+      </span>
+      <span class="post-meta-item-text">Disqus: </span>
+    
+    <a title="disqus" href="/2020/06/26/%E8%81%8A%E4%B8%80%E4%B8%8B-RocketMQ-%E7%9A%84-Consumer/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2020/06/26/聊一下-RocketMQ-的-Consumer/" itemprop="commentCount"></span>
+    </a>
+  </span>
+  
+  
+
+        </div>
+      </header>
+
+    
+    
+    
+    <div class="post-body" itemprop="articleBody">
+
+      
+          <p>首先看下官方的小 demo</p>
+<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title">main</span><span class="params">(String[] args)</span> <span class="keyword">throws</span> InterruptedException, MQClientException </span>&#123;</span><br><span class="line"></span><br><span class="line">        <span class="comment">/*</span></span><br><span class="line"><span class="comment">         * Instantiate with specified consumer group name.</span></span><br><span class="line"><span class="comment">         * 首先是new 一个对象出来，然后指定 Consumer 的 Group</span></span><br><span class="line"><span class="comment">         * 同一类Consumer的集合，这类Consumer通常消费同一类消息且消费逻辑一致。消费者组使得在消息消费方面，实现负载均衡和容错的目标变得非常容易。要注意的是，消费者组的消费者实例必须订阅完全相同的Topic。RocketMQ 支持两种消息模式：集群消费（Clustering）和广播消费（Broadcasting）。</span></span><br><span class="line"><span class="comment">         */</span></span><br><span class="line">        DefaultMQPushConsumer consumer = <span class="keyword">new</span> DefaultMQPushConsumer(<span class="string">"please_rename_unique_group_name_4"</span>);</span><br><span class="line"></span><br><span class="line">        <span class="comment">/*</span></span><br><span class="line"><span class="comment">         * Specify name server addresses.</span></span><br><span class="line"><span class="comment">         * &lt;p/&gt;</span></span><br><span class="line"><span class="comment">         * 这里可以通知指定环境变量或者设置对象参数的形式指定名字空间服务的地址</span></span><br><span class="line"><span class="comment">         *</span></span><br><span class="line"><span class="comment">         * Alternatively, you may specify name server addresses via exporting environmental variable: NAMESRV_ADDR</span></span><br><span class="line"><span class="comment">         * &lt;pre&gt;</span></span><br><span class="line"><span class="comment">         * &#123;@code</span></span><br><span class="line"><span class="comment">         * consumer.setNamesrvAddr("name-server1-ip:9876;name-server2-ip:9876");</span></span><br><span class="line"><span class="comment">         * &#125;</span></span><br><span class="line"><span class="comment">         * &lt;/pre&gt;</span></span><br><span class="line"><span class="comment">         */</span></span><br><span class="line"></span><br><span class="line">        <span class="comment">/*</span></span><br><span class="line"><span class="comment">         * Specify where to start in case the specified consumer group is a brand new one.</span></span><br><span class="line"><span class="comment">         * 指定消费起始点</span></span><br><span class="line"><span class="comment">         */</span></span><br><span class="line">        consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);</span><br><span class="line"></span><br><span class="line">        <span class="comment">/*</span></span><br><span class="line"><span class="comment">         * Subscribe one more more topics to consume.</span></span><br><span class="line"><span class="comment">         * 指定订阅的 topic 跟 tag，注意后面的是个表达式，可以以 tag1 || tag2 || tag3 传入</span></span><br><span class="line"><span class="comment">         */</span></span><br><span class="line">        consumer.subscribe(<span class="string">"TopicTest"</span>, <span class="string">"*"</span>);</span><br><span class="line"></span><br><span class="line">        <span class="comment">/*</span></span><br><span class="line"><span class="comment">         *  Register callback to execute on arrival of messages fetched from brokers.</span></span><br><span class="line"><span class="comment">         *  注册具体获得消息后的处理方法</span></span><br><span class="line"><span class="comment">         */</span></span><br><span class="line">        consumer.registerMessageListener(<span class="keyword">new</span> MessageListenerConcurrently() &#123;</span><br><span class="line"></span><br><span class="line">            <span class="meta">@Override</span></span><br><span class="line">            <span class="function"><span class="keyword">public</span> ConsumeConcurrentlyStatus <span class="title">consumeMessage</span><span class="params">(List&lt;MessageExt&gt; msgs,</span></span></span><br><span class="line"><span class="function"><span class="params">                ConsumeConcurrentlyContext context)</span> </span>&#123;</span><br><span class="line">                System.out.printf(<span class="string">"%s Receive New Messages: %s %n"</span>, Thread.currentThread().getName(), msgs);</span><br><span class="line">                <span class="keyword">return</span> ConsumeConcurrentlyStatus.CONSUME_SUCCESS;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;);</span><br><span class="line"></span><br><span class="line">        <span class="comment">/*</span></span><br><span class="line"><span class="comment">         *  Launch the consumer instance.</span></span><br><span class="line"><span class="comment">         * 启动消费者</span></span><br><span class="line"><span class="comment">         */</span></span><br><span class="line">        consumer.start();</span><br><span class="line"></span><br><span class="line">        System.out.printf(<span class="string">"Consumer Started.%n"</span>);</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
+
+<p>然后就是看看 start 的过程了</p>
+<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment">     * This method gets internal infrastructure readily to serve. Instances must call this method after configuration.</span></span><br><span class="line"><span class="comment">     *</span></span><br><span class="line"><span class="comment">     * <span class="doctag">@throws</span> MQClientException if there is any client error.</span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="meta">@Override</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">start</span><span class="params">()</span> <span class="keyword">throws</span> MQClientException </span>&#123;</span><br><span class="line">        setConsumerGroup(NamespaceUtil.wrapNamespace(<span class="keyword">this</span>.getNamespace(), <span class="keyword">this</span>.consumerGroup));</span><br><span class="line">        <span class="keyword">this</span>.defaultMQPushConsumerImpl.start();</span><br><span class="line">        <span class="keyword">if</span> (<span class="keyword">null</span> != traceDispatcher) &#123;</span><br><span class="line">            <span class="keyword">try</span> &#123;</span><br><span class="line">                traceDispatcher.start(<span class="keyword">this</span>.getNamesrvAddr(), <span class="keyword">this</span>.getAccessChannel());</span><br><span class="line">            &#125; <span class="keyword">catch</span> (MQClientException e) &#123;</span><br><span class="line">                log.warn(<span class="string">"trace dispatcher start failed "</span>, e);</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
+<p>具体的逻辑在<code>this.defaultMQPushConsumerImpl.start()</code>，这个 defaultMQPushConsumerImpl 就是</p>
+<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment">     * Internal implementation. Most of the functions herein are delegated to it.</span></span><br><span class="line"><span class="comment">     */</span></span><br><span class="line">    <span class="keyword">protected</span> <span class="keyword">final</span> <span class="keyword">transient</span> DefaultMQPushConsumerImpl defaultMQPushConsumerImpl;</span><br></pre></td></tr></table></figure>
+
+<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">public</span> <span class="keyword">synchronized</span> <span class="keyword">void</span> <span class="title">start</span><span class="params">()</span> <span class="keyword">throws</span> MQClientException </span>&#123;</span><br><span class="line">        <span class="keyword">switch</span> (<span class="keyword">this</span>.serviceState) &#123;</span><br><span class="line">            <span class="keyword">case</span> CREATE_JUST:</span><br><span class="line">                log.info(<span class="string">"the consumer [&#123;&#125;] start beginning. messageModel=&#123;&#125;, isUnitMode=&#123;&#125;"</span>, <span class="keyword">this</span>.defaultMQPushConsumer.getConsumerGroup(),</span><br><span class="line">                    <span class="keyword">this</span>.defaultMQPushConsumer.getMessageModel(), <span class="keyword">this</span>.defaultMQPushConsumer.isUnitMode());</span><br><span class="line">                <span class="comment">// 这里比较巧妙，相当于想设立了个屏障，防止并发启动，不过这里并不是悲观锁，也不算个严格的乐观锁</span></span><br><span class="line">                <span class="keyword">this</span>.serviceState = ServiceState.START_FAILED;</span><br><span class="line"></span><br><span class="line">                <span class="keyword">this</span>.checkConfig();</span><br><span class="line"></span><br><span class="line">                <span class="keyword">this</span>.copySubscription();</span><br><span class="line"></span><br><span class="line">                <span class="keyword">if</span> (<span class="keyword">this</span>.defaultMQPushConsumer.getMessageModel() == MessageModel.CLUSTERING) &#123;</span><br><span class="line">                    <span class="keyword">this</span>.defaultMQPushConsumer.changeInstanceNameToPID();</span><br><span class="line">                &#125;</span><br><span class="line"></span><br><span class="line">                <span class="comment">// 这个mQClientFactory，负责管理client（consumer、producer），并提供多中功能接口供各个Service（Rebalance、PullMessage等）调用；大部分逻辑均在这个类中完成</span></span><br><span class="line">                <span class="keyword">this</span>.mQClientFactory = MQClientManager.getInstance().getOrCreateMQClientInstance(<span class="keyword">this</span>.defaultMQPushConsumer, <span class="keyword">this</span>.rpcHook);</span><br><span class="line"></span><br><span class="line">                <span class="comment">// 这个 rebalanceImpl 主要负责决定，当前的consumer应该从哪些Queue中消费消息；</span></span><br><span class="line">                <span class="keyword">this</span>.rebalanceImpl.setConsumerGroup(<span class="keyword">this</span>.defaultMQPushConsumer.getConsumerGroup());</span><br><span class="line">                <span class="keyword">this</span>.rebalanceImpl.setMessageModel(<span class="keyword">this</span>.defaultMQPushConsumer.getMessageModel());</span><br><span class="line">                <span class="keyword">this</span>.rebalanceImpl.setAllocateMessageQueueStrategy(<span class="keyword">this</span>.defaultMQPushConsumer.getAllocateMessageQueueStrategy());</span><br><span class="line">                <span class="keyword">this</span>.rebalanceImpl.setmQClientFactory(<span class="keyword">this</span>.mQClientFactory);</span><br><span class="line"></span><br><span class="line">                <span class="comment">// 长连接，负责从broker处拉取消息，然后利用ConsumeMessageService回调用户的Listener执行消息消费逻辑</span></span><br><span class="line">                <span class="keyword">this</span>.pullAPIWrapper = <span class="keyword">new</span> PullAPIWrapper(</span><br><span class="line">                    mQClientFactory,</span><br><span class="line">                    <span class="keyword">this</span>.defaultMQPushConsumer.getConsumerGroup(), isUnitMode());</span><br><span class="line">                <span class="keyword">this</span>.pullAPIWrapper.registerFilterMessageHook(filterMessageHookList);</span><br><span class="line"></span><br><span class="line">                <span class="keyword">if</span> (<span class="keyword">this</span>.defaultMQPushConsumer.getOffsetStore() != <span class="keyword">null</span>) &#123;</span><br><span class="line">                    <span class="keyword">this</span>.offsetStore = <span class="keyword">this</span>.defaultMQPushConsumer.getOffsetStore();</span><br><span class="line">                &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                    <span class="keyword">switch</span> (<span class="keyword">this</span>.defaultMQPushConsumer.getMessageModel()) &#123;</span><br><span class="line">                        <span class="keyword">case</span> BROADCASTING:</span><br><span class="line">                            <span class="keyword">this</span>.offsetStore = <span class="keyword">new</span> LocalFileOffsetStore(<span class="keyword">this</span>.mQClientFactory, <span class="keyword">this</span>.defaultMQPushConsumer.getConsumerGroup());</span><br><span class="line">                            <span class="keyword">break</span>;</span><br><span class="line">                        <span class="keyword">case</span> CLUSTERING:</span><br><span class="line">                            <span class="keyword">this</span>.offsetStore = <span class="keyword">new</span> RemoteBrokerOffsetStore(<span class="keyword">this</span>.mQClientFactory, <span class="keyword">this</span>.defaultMQPushConsumer.getConsumerGroup());</span><br><span class="line">                            <span class="keyword">break</span>;</span><br><span class="line">                        <span class="keyword">default</span>:</span><br><span class="line">                            <span class="keyword">break</span>;</span><br><span class="line">                    &#125;</span><br><span class="line">                    <span class="keyword">this</span>.defaultMQPushConsumer.setOffsetStore(<span class="keyword">this</span>.offsetStore);</span><br><span class="line">                &#125;</span><br><span class="line">                <span class="comment">// offsetStore 维护当前consumer的消费记录（offset）；有两种实现，Local和Rmote，Local存储在本地磁盘上，适用于BROADCASTING广播消费模式；而Remote则将消费进度存储在Broker上，适用于CLUSTERING集群消费模式；</span></span><br><span class="line">                <span class="keyword">this</span>.offsetStore.load();</span><br><span class="line"></span><br><span class="line">                <span class="keyword">if</span> (<span class="keyword">this</span>.getMessageListenerInner() <span class="keyword">instanceof</span> MessageListenerOrderly) &#123;</span><br><span class="line">                    <span class="keyword">this</span>.consumeOrderly = <span class="keyword">true</span>;</span><br><span class="line">                    <span class="keyword">this</span>.consumeMessageService =</span><br><span class="line">                        <span class="keyword">new</span> ConsumeMessageOrderlyService(<span class="keyword">this</span>, (MessageListenerOrderly) <span class="keyword">this</span>.getMessageListenerInner());</span><br><span class="line">                &#125; <span class="keyword">else</span> <span class="keyword">if</span> (<span class="keyword">this</span>.getMessageListenerInner() <span class="keyword">instanceof</span> MessageListenerConcurrently) &#123;</span><br><span class="line">                    <span class="keyword">this</span>.consumeOrderly = <span class="keyword">false</span>;</span><br><span class="line">                    <span class="keyword">this</span>.consumeMessageService =</span><br><span class="line">                        <span class="keyword">new</span> ConsumeMessageConcurrentlyService(<span class="keyword">this</span>, (MessageListenerConcurrently) <span class="keyword">this</span>.getMessageListenerInner());</span><br><span class="line">                &#125;</span><br><span class="line"></span><br><span class="line">                <span class="comment">// 实现所谓的"Push-被动"消费机制；从Broker拉取的消息后，封装成ConsumeRequest提交给ConsumeMessageSerivce，此service负责回调用户的Listener消费消息；</span></span><br><span class="line">                <span class="keyword">this</span>.consumeMessageService.start();</span><br><span class="line"></span><br><span class="line">                <span class="keyword">boolean</span> registerOK = mQClientFactory.registerConsumer(<span class="keyword">this</span>.defaultMQPushConsumer.getConsumerGroup(), <span class="keyword">this</span>);</span><br><span class="line">                <span class="keyword">if</span> (!registerOK) &#123;</span><br><span class="line">                    <span class="keyword">this</span>.serviceState = ServiceState.CREATE_JUST;</span><br><span class="line">                    <span class="keyword">this</span>.consumeMessageService.shutdown();</span><br><span class="line">                    <span class="keyword">throw</span> <span class="keyword">new</span> MQClientException(<span class="string">"The consumer group["</span> + <span class="keyword">this</span>.defaultMQPushConsumer.getConsumerGroup()</span><br><span class="line">                        + <span class="string">"] has been created before, specify another name please."</span> + FAQUrl.suggestTodo(FAQUrl.GROUP_NAME_DUPLICATE_URL),</span><br><span class="line">                        <span class="keyword">null</span>);</span><br><span class="line">                &#125;</span><br><span class="line"></span><br><span class="line">                mQClientFactory.start();</span><br><span class="line">                log.info(<span class="string">"the consumer [&#123;&#125;] start OK."</span>, <span class="keyword">this</span>.defaultMQPushConsumer.getConsumerGroup());</span><br><span class="line">                <span class="keyword">this</span>.serviceState = ServiceState.RUNNING;</span><br><span class="line">                <span class="keyword">break</span>;</span><br><span class="line">            <span class="keyword">case</span> RUNNING:</span><br><span class="line">            <span class="keyword">case</span> START_FAILED:</span><br><span class="line">            <span class="keyword">case</span> SHUTDOWN_ALREADY:</span><br><span class="line">                <span class="keyword">throw</span> <span class="keyword">new</span> MQClientException(<span class="string">"The PushConsumer service state not OK, maybe started once, "</span></span><br><span class="line">                    + <span class="keyword">this</span>.serviceState</span><br><span class="line">                    + FAQUrl.suggestTodo(FAQUrl.CLIENT_SERVICE_NOT_OK),</span><br><span class="line">                    <span class="keyword">null</span>);</span><br><span class="line">            <span class="keyword">default</span>:</span><br><span class="line">                <span class="keyword">break</span>;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="keyword">this</span>.updateTopicSubscribeInfoWhenSubscriptionChanged();</span><br><span class="line">        <span class="keyword">this</span>.mQClientFactory.checkClientInBroker();</span><br><span class="line">        <span class="keyword">this</span>.mQClientFactory.sendHeartbeatToAllBrokerWithLock();</span><br><span class="line">        <span class="keyword">this</span>.mQClientFactory.rebalanceImmediately();</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
+<p>然后我们往下看主要的目光聚焦<code>mQClientFactory.start()</code></p>
+<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">start</span><span class="params">()</span> <span class="keyword">throws</span> MQClientException </span>&#123;</span><br><span class="line"></span><br><span class="line">        <span class="keyword">synchronized</span> (<span class="keyword">this</span>) &#123;</span><br><span class="line">            <span class="keyword">switch</span> (<span class="keyword">this</span>.serviceState) &#123;</span><br><span class="line">                <span class="keyword">case</span> CREATE_JUST:</span><br><span class="line">                    <span class="keyword">this</span>.serviceState = ServiceState.START_FAILED;</span><br><span class="line">                    <span class="comment">// If not specified,looking address from name server</span></span><br><span class="line">                    <span class="keyword">if</span> (<span class="keyword">null</span> == <span class="keyword">this</span>.clientConfig.getNamesrvAddr()) &#123;</span><br><span class="line">                        <span class="keyword">this</span>.mQClientAPIImpl.fetchNameServerAddr();</span><br><span class="line">                    &#125;</span><br><span class="line">                    <span class="comment">// Start request-response channel</span></span><br><span class="line">                    <span class="comment">// 这里主要是初始化了个网络客户端</span></span><br><span class="line">                    <span class="keyword">this</span>.mQClientAPIImpl.start();</span><br><span class="line">                    <span class="comment">// Start various schedule tasks</span></span><br><span class="line">                    <span class="comment">// 定时任务</span></span><br><span class="line">                    <span class="keyword">this</span>.startScheduledTask();</span><br><span class="line">                    <span class="comment">// Start pull service</span></span><br><span class="line">                    <span class="comment">// 这里重点说下</span></span><br><span class="line">                    <span class="keyword">this</span>.pullMessageService.start();</span><br><span class="line">                    <span class="comment">// Start rebalance service</span></span><br><span class="line">                    <span class="keyword">this</span>.rebalanceService.start();</span><br><span class="line">                    <span class="comment">// Start push service</span></span><br><span class="line">                    <span class="keyword">this</span>.defaultMQProducer.getDefaultMQProducerImpl().start(<span class="keyword">false</span>);</span><br><span class="line">                    log.info(<span class="string">"the client factory [&#123;&#125;] start OK"</span>, <span class="keyword">this</span>.clientId);</span><br><span class="line">                    <span class="keyword">this</span>.serviceState = ServiceState.RUNNING;</span><br><span class="line">                    <span class="keyword">break</span>;</span><br><span class="line">                <span class="keyword">case</span> START_FAILED:</span><br><span class="line">                    <span class="keyword">throw</span> <span class="keyword">new</span> MQClientException(<span class="string">"The Factory object["</span> + <span class="keyword">this</span>.getClientId() + <span class="string">"] has been created before, and failed."</span>, <span class="keyword">null</span>);</span><br><span class="line">                <span class="keyword">default</span>:</span><br><span class="line">                    <span class="keyword">break</span>;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
+<p>我们来看下这个 pullMessageService，org.apache.rocketmq.client.impl.consumer.PullMessageService，<br><img data-src="https://mystore-1255223546.cos.ap-chengdu.myqcloud.com/uPic/QdeiVv.png" alt=""><br>实现了 runnable 接口，<br>然后可以看到 run 方法</p>
+<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">run</span><span class="params">()</span> </span>&#123;</span><br><span class="line">        log.info(<span class="keyword">this</span>.getServiceName() + <span class="string">" service started"</span>);</span><br><span class="line"></span><br><span class="line">        <span class="keyword">while</span> (!<span class="keyword">this</span>.isStopped()) &#123;</span><br><span class="line">            <span class="keyword">try</span> &#123;</span><br><span class="line">                PullRequest pullRequest = <span class="keyword">this</span>.pullRequestQueue.take();</span><br><span class="line">                <span class="keyword">this</span>.pullMessage(pullRequest);</span><br><span class="line">            &#125; <span class="keyword">catch</span> (InterruptedException ignored) &#123;</span><br><span class="line">            &#125; <span class="keyword">catch</span> (Exception e) &#123;</span><br><span class="line">                log.error(<span class="string">"Pull Message Service Run Method exception"</span>, e);</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        log.info(<span class="keyword">this</span>.getServiceName() + <span class="string">" service end"</span>);</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
+<p>接着在看 pullMessage 方法</p>
+<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">private</span> <span class="keyword">void</span> <span class="title">pullMessage</span><span class="params">(<span class="keyword">final</span> PullRequest pullRequest)</span> </span>&#123;</span><br><span class="line">        <span class="keyword">final</span> MQConsumerInner consumer = <span class="keyword">this</span>.mQClientFactory.selectConsumer(pullRequest.getConsumerGroup());</span><br><span class="line">        <span class="keyword">if</span> (consumer != <span class="keyword">null</span>) &#123;</span><br><span class="line">            DefaultMQPushConsumerImpl impl = (DefaultMQPushConsumerImpl) consumer;</span><br><span class="line">            impl.pullMessage(pullRequest);</span><br><span class="line">        &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">            log.warn(<span class="string">"No matched consumer for the PullRequest &#123;&#125;, drop it"</span>, pullRequest);</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
+<p>实际上调用了这个方法，这个方法很长，我在代码里注释下下每一段的功能</p>
+<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br><span class="line">92</span><br><span class="line">93</span><br><span class="line">94</span><br><span class="line">95</span><br><span class="line">96</span><br><span class="line">97</span><br><span class="line">98</span><br><span class="line">99</span><br><span class="line">100</span><br><span class="line">101</span><br><span class="line">102</span><br><span class="line">103</span><br><span class="line">104</span><br><span class="line">105</span><br><span class="line">106</span><br><span class="line">107</span><br><span class="line">108</span><br><span class="line">109</span><br><span class="line">110</span><br><span class="line">111</span><br><span class="line">112</span><br><span class="line">113</span><br><span class="line">114</span><br><span class="line">115</span><br><span class="line">116</span><br><span class="line">117</span><br><span class="line">118</span><br><span class="line">119</span><br><span class="line">120</span><br><span class="line">121</span><br><span class="line">122</span><br><span class="line">123</span><br><span class="line">124</span><br><span class="line">125</span><br><span class="line">126</span><br><span class="line">127</span><br><span class="line">128</span><br><span class="line">129</span><br><span class="line">130</span><br><span class="line">131</span><br><span class="line">132</span><br><span class="line">133</span><br><span class="line">134</span><br><span class="line">135</span><br><span class="line">136</span><br><span class="line">137</span><br><span class="line">138</span><br><span class="line">139</span><br><span class="line">140</span><br><span class="line">141</span><br><span class="line">142</span><br><span class="line">143</span><br><span class="line">144</span><br><span class="line">145</span><br><span class="line">146</span><br><span class="line">147</span><br><span class="line">148</span><br><span class="line">149</span><br><span class="line">150</span><br><span class="line">151</span><br><span class="line">152</span><br><span class="line">153</span><br><span class="line">154</span><br><span class="line">155</span><br><span class="line">156</span><br><span class="line">157</span><br><span class="line">158</span><br><span class="line">159</span><br><span class="line">160</span><br><span class="line">161</span><br><span class="line">162</span><br><span class="line">163</span><br><span class="line">164</span><br><span class="line">165</span><br><span class="line">166</span><br><span class="line">167</span><br><span class="line">168</span><br><span class="line">169</span><br><span class="line">170</span><br><span class="line">171</span><br><span class="line">172</span><br><span class="line">173</span><br><span class="line">174</span><br><span class="line">175</span><br><span class="line">176</span><br><span class="line">177</span><br><span class="line">178</span><br><span class="line">179</span><br><span class="line">180</span><br><span class="line">181</span><br><span class="line">182</span><br><span class="line">183</span><br><span class="line">184</span><br><span class="line">185</span><br><span class="line">186</span><br><span class="line">187</span><br><span class="line">188</span><br><span class="line">189</span><br><span class="line">190</span><br><span class="line">191</span><br><span class="line">192</span><br><span class="line">193</span><br><span class="line">194</span><br><span class="line">195</span><br><span class="line">196</span><br><span class="line">197</span><br><span class="line">198</span><br><span class="line">199</span><br><span class="line">200</span><br><span class="line">201</span><br><span class="line">202</span><br><span class="line">203</span><br><span class="line">204</span><br><span class="line">205</span><br><span class="line">206</span><br><span class="line">207</span><br><span class="line">208</span><br><span class="line">209</span><br><span class="line">210</span><br><span class="line">211</span><br><span class="line">212</span><br><span class="line">213</span><br><span class="line">214</span><br><span class="line">215</span><br><span class="line">216</span><br><span class="line">217</span><br><span class="line">218</span><br><span class="line">219</span><br><span class="line">220</span><br><span class="line">221</span><br><span class="line">222</span><br><span class="line">223</span><br><span class="line">224</span><br><span class="line">225</span><br><span class="line">226</span><br><span class="line">227</span><br><span class="line">228</span><br><span class="line">229</span><br><span class="line">230</span><br><span class="line">231</span><br><span class="line">232</span><br><span class="line">233</span><br><span class="line">234</span><br><span class="line">235</span><br><span class="line">236</span><br><span class="line">237</span><br><span class="line">238</span><br><span class="line">239</span><br><span class="line">240</span><br><span class="line">241</span><br><span class="line">242</span><br><span class="line">243</span><br><span class="line">244</span><br><span class="line">245</span><br><span class="line">246</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">pullMessage</span><span class="params">(<span class="keyword">final</span> PullRequest pullRequest)</span> </span>&#123;</span><br><span class="line">        <span class="keyword">final</span> ProcessQueue processQueue = pullRequest.getProcessQueue();</span><br><span class="line">        <span class="comment">// 这里开始就是检查状态，确定是否往下执行</span></span><br><span class="line">        <span class="keyword">if</span> (processQueue.isDropped()) &#123;</span><br><span class="line">            log.info(<span class="string">"the pull request[&#123;&#125;] is dropped."</span>, pullRequest.toString());</span><br><span class="line">            <span class="keyword">return</span>;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        pullRequest.getProcessQueue().setLastPullTimestamp(System.currentTimeMillis());</span><br><span class="line"></span><br><span class="line">        <span class="keyword">try</span> &#123;</span><br><span class="line">            <span class="keyword">this</span>.makeSureStateOK();</span><br><span class="line">        &#125; <span class="keyword">catch</span> (MQClientException e) &#123;</span><br><span class="line">            log.warn(<span class="string">"pullMessage exception, consumer state not ok"</span>, e);</span><br><span class="line">            <span class="keyword">this</span>.executePullRequestLater(pullRequest, pullTimeDelayMillsWhenException);</span><br><span class="line">            <span class="keyword">return</span>;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="keyword">if</span> (<span class="keyword">this</span>.isPause()) &#123;</span><br><span class="line">            log.warn(<span class="string">"consumer was paused, execute pull request later. instanceName=&#123;&#125;, group=&#123;&#125;"</span>, <span class="keyword">this</span>.defaultMQPushConsumer.getInstanceName(), <span class="keyword">this</span>.defaultMQPushConsumer.getConsumerGroup());</span><br><span class="line">            <span class="keyword">this</span>.executePullRequestLater(pullRequest, PULL_TIME_DELAY_MILLS_WHEN_SUSPEND);</span><br><span class="line">            <span class="keyword">return</span>;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="comment">// 这块其实是个类似于限流的功能块，对消息数量和消息大小做限制</span></span><br><span class="line">        <span class="keyword">long</span> cachedMessageCount = processQueue.getMsgCount().get();</span><br><span class="line">        <span class="keyword">long</span> cachedMessageSizeInMiB = processQueue.getMsgSize().get() / (<span class="number">1024</span> * <span class="number">1024</span>);</span><br><span class="line"></span><br><span class="line">        <span class="keyword">if</span> (cachedMessageCount &gt; <span class="keyword">this</span>.defaultMQPushConsumer.getPullThresholdForQueue()) &#123;</span><br><span class="line">            <span class="keyword">this</span>.executePullRequestLater(pullRequest, PULL_TIME_DELAY_MILLS_WHEN_FLOW_CONTROL);</span><br><span class="line">            <span class="keyword">if</span> ((queueFlowControlTimes++ % <span class="number">1000</span>) == <span class="number">0</span>) &#123;</span><br><span class="line">                log.warn(</span><br><span class="line">                    <span class="string">"the cached message count exceeds the threshold &#123;&#125;, so do flow control, minOffset=&#123;&#125;, maxOffset=&#123;&#125;, count=&#123;&#125;, size=&#123;&#125; MiB, pullRequest=&#123;&#125;, flowControlTimes=&#123;&#125;"</span>,</span><br><span class="line">                    <span class="keyword">this</span>.defaultMQPushConsumer.getPullThresholdForQueue(), processQueue.getMsgTreeMap().firstKey(), processQueue.getMsgTreeMap().lastKey(), cachedMessageCount, cachedMessageSizeInMiB, pullRequest, queueFlowControlTimes);</span><br><span class="line">            &#125;</span><br><span class="line">            <span class="keyword">return</span>;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="keyword">if</span> (cachedMessageSizeInMiB &gt; <span class="keyword">this</span>.defaultMQPushConsumer.getPullThresholdSizeForQueue()) &#123;</span><br><span class="line">            <span class="keyword">this</span>.executePullRequestLater(pullRequest, PULL_TIME_DELAY_MILLS_WHEN_FLOW_CONTROL);</span><br><span class="line">            <span class="keyword">if</span> ((queueFlowControlTimes++ % <span class="number">1000</span>) == <span class="number">0</span>) &#123;</span><br><span class="line">                log.warn(</span><br><span class="line">                    <span class="string">"the cached message size exceeds the threshold &#123;&#125; MiB, so do flow control, minOffset=&#123;&#125;, maxOffset=&#123;&#125;, count=&#123;&#125;, size=&#123;&#125; MiB, pullRequest=&#123;&#125;, flowControlTimes=&#123;&#125;"</span>,</span><br><span class="line">                    <span class="keyword">this</span>.defaultMQPushConsumer.getPullThresholdSizeForQueue(), processQueue.getMsgTreeMap().firstKey(), processQueue.getMsgTreeMap().lastKey(), cachedMessageCount, cachedMessageSizeInMiB, pullRequest, queueFlowControlTimes);</span><br><span class="line">            &#125;</span><br><span class="line">            <span class="keyword">return</span>;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="comment">// 若不是顺序消费（即DefaultMQPushConsumerImpl.consumeOrderly等于false），则检查ProcessQueue对象的msgTreeMap:TreeMap&lt;Long,MessageExt&gt;变量的第一个key值与最后一个key值之间的差额，该key值表示查询的队列偏移量queueoffset；若差额大于阈值（由DefaultMQPushConsumer. consumeConcurrentlyMaxSpan指定，默认是2000），则调用PullMessageService.executePullRequestLater方法，在50毫秒之后重新将该PullRequest请求放入PullMessageService.pullRequestQueue队列中；并跳出该方法；这里的意思主要就是消息有堆积了，等会再来拉取</span></span><br><span class="line">        <span class="keyword">if</span> (!<span class="keyword">this</span>.consumeOrderly) &#123;</span><br><span class="line">            <span class="keyword">if</span> (processQueue.getMaxSpan() &gt; <span class="keyword">this</span>.defaultMQPushConsumer.getConsumeConcurrentlyMaxSpan()) &#123;</span><br><span class="line">                <span class="keyword">this</span>.executePullRequestLater(pullRequest, PULL_TIME_DELAY_MILLS_WHEN_FLOW_CONTROL);</span><br><span class="line">                <span class="keyword">if</span> ((queueMaxSpanFlowControlTimes++ % <span class="number">1000</span>) == <span class="number">0</span>) &#123;</span><br><span class="line">                    log.warn(</span><br><span class="line">                        <span class="string">"the queue's messages, span too long, so do flow control, minOffset=&#123;&#125;, maxOffset=&#123;&#125;, maxSpan=&#123;&#125;, pullRequest=&#123;&#125;, flowControlTimes=&#123;&#125;"</span>,</span><br><span class="line">                        processQueue.getMsgTreeMap().firstKey(), processQueue.getMsgTreeMap().lastKey(), processQueue.getMaxSpan(),</span><br><span class="line">                        pullRequest, queueMaxSpanFlowControlTimes);</span><br><span class="line">                &#125;</span><br><span class="line">                <span class="keyword">return</span>;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">            <span class="keyword">if</span> (processQueue.isLocked()) &#123;</span><br><span class="line">                <span class="keyword">if</span> (!pullRequest.isLockedFirst()) &#123;</span><br><span class="line">                    <span class="keyword">final</span> <span class="keyword">long</span> offset = <span class="keyword">this</span>.rebalanceImpl.computePullFromWhere(pullRequest.getMessageQueue());</span><br><span class="line">                    <span class="keyword">boolean</span> brokerBusy = offset &lt; pullRequest.getNextOffset();</span><br><span class="line">                    log.info(<span class="string">"the first time to pull message, so fix offset from broker. pullRequest: &#123;&#125; NewOffset: &#123;&#125; brokerBusy: &#123;&#125;"</span>,</span><br><span class="line">                        pullRequest, offset, brokerBusy);</span><br><span class="line">                    <span class="keyword">if</span> (brokerBusy) &#123;</span><br><span class="line">                        log.info(<span class="string">"[NOTIFYME]the first time to pull message, but pull request offset larger than broker consume offset. pullRequest: &#123;&#125; NewOffset: &#123;&#125;"</span>,</span><br><span class="line">                            pullRequest, offset);</span><br><span class="line">                    &#125;</span><br><span class="line"></span><br><span class="line">                    pullRequest.setLockedFirst(<span class="keyword">true</span>);</span><br><span class="line">                    pullRequest.setNextOffset(offset);</span><br><span class="line">                &#125;</span><br><span class="line">            &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                <span class="keyword">this</span>.executePullRequestLater(pullRequest, pullTimeDelayMillsWhenException);</span><br><span class="line">                log.info(<span class="string">"pull message later because not locked in broker, &#123;&#125;"</span>, pullRequest);</span><br><span class="line">                <span class="keyword">return</span>;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="comment">// 以PullRequest.messageQueue对象的topic值为参数从RebalanceImpl.subscriptionInner: ConcurrentHashMap, SubscriptionData&gt;中获取对应的SubscriptionData对象，若该对象为null，考虑到并发的关系，调用executePullRequestLater方法，稍后重试；并跳出该方法；</span></span><br><span class="line">        <span class="keyword">final</span> SubscriptionData subscriptionData = <span class="keyword">this</span>.rebalanceImpl.getSubscriptionInner().get(pullRequest.getMessageQueue().getTopic());</span><br><span class="line">        <span class="keyword">if</span> (<span class="keyword">null</span> == subscriptionData) &#123;</span><br><span class="line">            <span class="keyword">this</span>.executePullRequestLater(pullRequest, pullTimeDelayMillsWhenException);</span><br><span class="line">            log.warn(<span class="string">"find the consumer's subscription failed, &#123;&#125;"</span>, pullRequest);</span><br><span class="line">            <span class="keyword">return</span>;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="keyword">final</span> <span class="keyword">long</span> beginTimestamp = System.currentTimeMillis();</span><br><span class="line"></span><br><span class="line">        <span class="comment">// 异步拉取回调，先不讨论细节</span></span><br><span class="line">        PullCallback pullCallback = <span class="keyword">new</span> PullCallback() &#123;</span><br><span class="line">            <span class="meta">@Override</span></span><br><span class="line">            <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">onSuccess</span><span class="params">(PullResult pullResult)</span> </span>&#123;</span><br><span class="line">                <span class="keyword">if</span> (pullResult != <span class="keyword">null</span>) &#123;</span><br><span class="line">                    pullResult = DefaultMQPushConsumerImpl.<span class="keyword">this</span>.pullAPIWrapper.processPullResult(pullRequest.getMessageQueue(), pullResult,</span><br><span class="line">                        subscriptionData);</span><br><span class="line"></span><br><span class="line">                    <span class="keyword">switch</span> (pullResult.getPullStatus()) &#123;</span><br><span class="line">                        <span class="keyword">case</span> FOUND:</span><br><span class="line">                            <span class="keyword">long</span> prevRequestOffset = pullRequest.getNextOffset();</span><br><span class="line">                            pullRequest.setNextOffset(pullResult.getNextBeginOffset());</span><br><span class="line">                            <span class="keyword">long</span> pullRT = System.currentTimeMillis() - beginTimestamp;</span><br><span class="line">                            DefaultMQPushConsumerImpl.<span class="keyword">this</span>.getConsumerStatsManager().incPullRT(pullRequest.getConsumerGroup(),</span><br><span class="line">                                pullRequest.getMessageQueue().getTopic(), pullRT);</span><br><span class="line"></span><br><span class="line">                            <span class="keyword">long</span> firstMsgOffset = Long.MAX_VALUE;</span><br><span class="line">                            <span class="keyword">if</span> (pullResult.getMsgFoundList() == <span class="keyword">null</span> || pullResult.getMsgFoundList().isEmpty()) &#123;</span><br><span class="line">                                DefaultMQPushConsumerImpl.<span class="keyword">this</span>.executePullRequestImmediately(pullRequest);</span><br><span class="line">                            &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                                firstMsgOffset = pullResult.getMsgFoundList().get(<span class="number">0</span>).getQueueOffset();</span><br><span class="line"></span><br><span class="line">                                DefaultMQPushConsumerImpl.<span class="keyword">this</span>.getConsumerStatsManager().incPullTPS(pullRequest.getConsumerGroup(),</span><br><span class="line">                                    pullRequest.getMessageQueue().getTopic(), pullResult.getMsgFoundList().size());</span><br><span class="line"></span><br><span class="line">                                <span class="keyword">boolean</span> dispatchToConsume = processQueue.putMessage(pullResult.getMsgFoundList());</span><br><span class="line">                                DefaultMQPushConsumerImpl.<span class="keyword">this</span>.consumeMessageService.submitConsumeRequest(</span><br><span class="line">                                    pullResult.getMsgFoundList(),</span><br><span class="line">                                    processQueue,</span><br><span class="line">                                    pullRequest.getMessageQueue(),</span><br><span class="line">                                    dispatchToConsume);</span><br><span class="line"></span><br><span class="line">                                <span class="keyword">if</span> (DefaultMQPushConsumerImpl.<span class="keyword">this</span>.defaultMQPushConsumer.getPullInterval() &gt; <span class="number">0</span>) &#123;</span><br><span class="line">                                    DefaultMQPushConsumerImpl.<span class="keyword">this</span>.executePullRequestLater(pullRequest,</span><br><span class="line">                                        DefaultMQPushConsumerImpl.<span class="keyword">this</span>.defaultMQPushConsumer.getPullInterval());</span><br><span class="line">                                &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                                    DefaultMQPushConsumerImpl.<span class="keyword">this</span>.executePullRequestImmediately(pullRequest);</span><br><span class="line">                                &#125;</span><br><span class="line">                            &#125;</span><br><span class="line"></span><br><span class="line">                            <span class="keyword">if</span> (pullResult.getNextBeginOffset() &lt; prevRequestOffset</span><br><span class="line">                                || firstMsgOffset &lt; prevRequestOffset) &#123;</span><br><span class="line">                                log.warn(</span><br><span class="line">                                    <span class="string">"[BUG] pull message result maybe data wrong, nextBeginOffset: &#123;&#125; firstMsgOffset: &#123;&#125; prevRequestOffset: &#123;&#125;"</span>,</span><br><span class="line">                                    pullResult.getNextBeginOffset(),</span><br><span class="line">                                    firstMsgOffset,</span><br><span class="line">                                    prevRequestOffset);</span><br><span class="line">                            &#125;</span><br><span class="line"></span><br><span class="line">                            <span class="keyword">break</span>;</span><br><span class="line">                        <span class="keyword">case</span> NO_NEW_MSG:</span><br><span class="line">                            pullRequest.setNextOffset(pullResult.getNextBeginOffset());</span><br><span class="line"></span><br><span class="line">                            DefaultMQPushConsumerImpl.<span class="keyword">this</span>.correctTagsOffset(pullRequest);</span><br><span class="line"></span><br><span class="line">                            DefaultMQPushConsumerImpl.<span class="keyword">this</span>.executePullRequestImmediately(pullRequest);</span><br><span class="line">                            <span class="keyword">break</span>;</span><br><span class="line">                        <span class="keyword">case</span> NO_MATCHED_MSG:</span><br><span class="line">                            pullRequest.setNextOffset(pullResult.getNextBeginOffset());</span><br><span class="line"></span><br><span class="line">                            DefaultMQPushConsumerImpl.<span class="keyword">this</span>.correctTagsOffset(pullRequest);</span><br><span class="line"></span><br><span class="line">                            DefaultMQPushConsumerImpl.<span class="keyword">this</span>.executePullRequestImmediately(pullRequest);</span><br><span class="line">                            <span class="keyword">break</span>;</span><br><span class="line">                        <span class="keyword">case</span> OFFSET_ILLEGAL:</span><br><span class="line">                            log.warn(<span class="string">"the pull request offset illegal, &#123;&#125; &#123;&#125;"</span>,</span><br><span class="line">                                pullRequest.toString(), pullResult.toString());</span><br><span class="line">                            pullRequest.setNextOffset(pullResult.getNextBeginOffset());</span><br><span class="line"></span><br><span class="line">                            pullRequest.getProcessQueue().setDropped(<span class="keyword">true</span>);</span><br><span class="line">                            DefaultMQPushConsumerImpl.<span class="keyword">this</span>.executeTaskLater(<span class="keyword">new</span> Runnable() &#123;</span><br><span class="line"></span><br><span class="line">                                <span class="meta">@Override</span></span><br><span class="line">                                <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">run</span><span class="params">()</span> </span>&#123;</span><br><span class="line">                                    <span class="keyword">try</span> &#123;</span><br><span class="line">                                        DefaultMQPushConsumerImpl.<span class="keyword">this</span>.offsetStore.updateOffset(pullRequest.getMessageQueue(),</span><br><span class="line">                                            pullRequest.getNextOffset(), <span class="keyword">false</span>);</span><br><span class="line"></span><br><span class="line">                                        DefaultMQPushConsumerImpl.<span class="keyword">this</span>.offsetStore.persist(pullRequest.getMessageQueue());</span><br><span class="line"></span><br><span class="line">                                        DefaultMQPushConsumerImpl.<span class="keyword">this</span>.rebalanceImpl.removeProcessQueue(pullRequest.getMessageQueue());</span><br><span class="line"></span><br><span class="line">                                        log.warn(<span class="string">"fix the pull request offset, &#123;&#125;"</span>, pullRequest);</span><br><span class="line">                                    &#125; <span class="keyword">catch</span> (Throwable e) &#123;</span><br><span class="line">                                        log.error(<span class="string">"executeTaskLater Exception"</span>, e);</span><br><span class="line">                                    &#125;</span><br><span class="line">                                &#125;</span><br><span class="line">                            &#125;, <span class="number">10000</span>);</span><br><span class="line">                            <span class="keyword">break</span>;</span><br><span class="line">                        <span class="keyword">default</span>:</span><br><span class="line">                            <span class="keyword">break</span>;</span><br><span class="line">                    &#125;</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line"></span><br><span class="line">            <span class="meta">@Override</span></span><br><span class="line">            <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">onException</span><span class="params">(Throwable e)</span> </span>&#123;</span><br><span class="line">                <span class="keyword">if</span> (!pullRequest.getMessageQueue().getTopic().startsWith(MixAll.RETRY_GROUP_TOPIC_PREFIX)) &#123;</span><br><span class="line">                    log.warn(<span class="string">"execute the pull request exception"</span>, e);</span><br><span class="line">                &#125;</span><br><span class="line"></span><br><span class="line">                DefaultMQPushConsumerImpl.<span class="keyword">this</span>.executePullRequestLater(pullRequest, pullTimeDelayMillsWhenException);</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;;</span><br><span class="line">        <span class="comment">// 如果为集群模式，即可置commitOffsetEnable为 true</span></span><br><span class="line">        <span class="keyword">boolean</span> commitOffsetEnable = <span class="keyword">false</span>;</span><br><span class="line">        <span class="keyword">long</span> commitOffsetValue = <span class="number">0L</span>;</span><br><span class="line">        <span class="keyword">if</span> (MessageModel.CLUSTERING == <span class="keyword">this</span>.defaultMQPushConsumer.getMessageModel()) &#123;</span><br><span class="line">            commitOffsetValue = <span class="keyword">this</span>.offsetStore.readOffset(pullRequest.getMessageQueue(), ReadOffsetType.READ_FROM_MEMORY);</span><br><span class="line">            <span class="keyword">if</span> (commitOffsetValue &gt; <span class="number">0</span>) &#123;</span><br><span class="line">                commitOffsetEnable = <span class="keyword">true</span>;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="comment">// 将上面获得的commitOffsetEnable更新到订阅关系里</span></span><br><span class="line">        String subExpression = <span class="keyword">null</span>;</span><br><span class="line">        <span class="keyword">boolean</span> classFilter = <span class="keyword">false</span>;</span><br><span class="line">        SubscriptionData sd = <span class="keyword">this</span>.rebalanceImpl.getSubscriptionInner().get(pullRequest.getMessageQueue().getTopic());</span><br><span class="line">        <span class="keyword">if</span> (sd != <span class="keyword">null</span>) &#123;</span><br><span class="line">            <span class="keyword">if</span> (<span class="keyword">this</span>.defaultMQPushConsumer.isPostSubscriptionWhenPull() &amp;&amp; !sd.isClassFilterMode()) &#123;</span><br><span class="line">                subExpression = sd.getSubString();</span><br><span class="line">            &#125;</span><br><span class="line"></span><br><span class="line">            classFilter = sd.isClassFilterMode();</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="comment">// 组成 sysFlag</span></span><br><span class="line">        <span class="keyword">int</span> sysFlag = PullSysFlag.buildSysFlag(</span><br><span class="line">            commitOffsetEnable, <span class="comment">// commitOffset</span></span><br><span class="line">            <span class="keyword">true</span>, <span class="comment">// suspend</span></span><br><span class="line">            subExpression != <span class="keyword">null</span>, <span class="comment">// subscription</span></span><br><span class="line">            classFilter <span class="comment">// class filter</span></span><br><span class="line">        );</span><br><span class="line">        <span class="comment">// 调用真正的拉取消息接口</span></span><br><span class="line">        <span class="keyword">try</span> &#123;</span><br><span class="line">            <span class="keyword">this</span>.pullAPIWrapper.pullKernelImpl(</span><br><span class="line">                pullRequest.getMessageQueue(),</span><br><span class="line">                subExpression,</span><br><span class="line">                subscriptionData.getExpressionType(),</span><br><span class="line">                subscriptionData.getSubVersion(),</span><br><span class="line">                pullRequest.getNextOffset(),</span><br><span class="line">                <span class="keyword">this</span>.defaultMQPushConsumer.getPullBatchSize(),</span><br><span class="line">                sysFlag,</span><br><span class="line">                commitOffsetValue,</span><br><span class="line">                BROKER_SUSPEND_MAX_TIME_MILLIS,</span><br><span class="line">                CONSUMER_TIMEOUT_MILLIS_WHEN_SUSPEND,</span><br><span class="line">                CommunicationMode.ASYNC,</span><br><span class="line">                pullCallback</span><br><span class="line">            );</span><br><span class="line">        &#125; <span class="keyword">catch</span> (Exception e) &#123;</span><br><span class="line">            log.error(<span class="string">"pullKernelImpl exception"</span>, e);</span><br><span class="line">            <span class="keyword">this</span>.executePullRequestLater(pullRequest, pullTimeDelayMillsWhenException);</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
+<p>以下就是拉取消息的底层 api，不够不是特别复杂，主要是在找 broker，和设置请求参数</p>
+<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">public</span> PullResult <span class="title">pullKernelImpl</span><span class="params">(</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> MessageQueue mq,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> String subExpression,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> String expressionType,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> <span class="keyword">long</span> subVersion,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> <span class="keyword">long</span> offset,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> <span class="keyword">int</span> maxNums,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> <span class="keyword">int</span> sysFlag,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> <span class="keyword">long</span> commitOffset,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> <span class="keyword">long</span> brokerSuspendMaxTimeMillis,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> <span class="keyword">long</span> timeoutMillis,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> CommunicationMode communicationMode,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> PullCallback pullCallback</span></span></span><br><span class="line"><span class="function"><span class="params">)</span> <span class="keyword">throws</span> MQClientException, RemotingException, MQBrokerException, InterruptedException </span>&#123;</span><br><span class="line">    FindBrokerResult findBrokerResult =</span><br><span class="line">        <span class="keyword">this</span>.mQClientFactory.findBrokerAddressInSubscribe(mq.getBrokerName(),</span><br><span class="line">            <span class="keyword">this</span>.recalculatePullFromWhichNode(mq), <span class="keyword">false</span>);</span><br><span class="line">    <span class="keyword">if</span> (<span class="keyword">null</span> == findBrokerResult) &#123;</span><br><span class="line">        <span class="keyword">this</span>.mQClientFactory.updateTopicRouteInfoFromNameServer(mq.getTopic());</span><br><span class="line">        findBrokerResult =</span><br><span class="line">            <span class="keyword">this</span>.mQClientFactory.findBrokerAddressInSubscribe(mq.getBrokerName(),</span><br><span class="line">                <span class="keyword">this</span>.recalculatePullFromWhichNode(mq), <span class="keyword">false</span>);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">if</span> (findBrokerResult != <span class="keyword">null</span>) &#123;</span><br><span class="line">        &#123;</span><br><span class="line">            <span class="comment">// check version</span></span><br><span class="line">            <span class="keyword">if</span> (!ExpressionType.isTagType(expressionType)</span><br><span class="line">                &amp;&amp; findBrokerResult.getBrokerVersion() &lt; MQVersion.Version.V4_1_0_SNAPSHOT.ordinal()) &#123;</span><br><span class="line">                <span class="keyword">throw</span> <span class="keyword">new</span> MQClientException(<span class="string">"The broker["</span> + mq.getBrokerName() + <span class="string">", "</span></span><br><span class="line">                    + findBrokerResult.getBrokerVersion() + <span class="string">"] does not upgrade to support for filter message by "</span> + expressionType, <span class="keyword">null</span>);</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">int</span> sysFlagInner = sysFlag;</span><br><span class="line"></span><br><span class="line">        <span class="keyword">if</span> (findBrokerResult.isSlave()) &#123;</span><br><span class="line">            sysFlagInner = PullSysFlag.clearCommitOffsetFlag(sysFlagInner);</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        PullMessageRequestHeader requestHeader = <span class="keyword">new</span> PullMessageRequestHeader();</span><br><span class="line">        requestHeader.setConsumerGroup(<span class="keyword">this</span>.consumerGroup);</span><br><span class="line">        requestHeader.setTopic(mq.getTopic());</span><br><span class="line">        requestHeader.setQueueId(mq.getQueueId());</span><br><span class="line">        requestHeader.setQueueOffset(offset);</span><br><span class="line">        requestHeader.setMaxMsgNums(maxNums);</span><br><span class="line">        requestHeader.setSysFlag(sysFlagInner);</span><br><span class="line">        requestHeader.setCommitOffset(commitOffset);</span><br><span class="line">        requestHeader.setSuspendTimeoutMillis(brokerSuspendMaxTimeMillis);</span><br><span class="line">        requestHeader.setSubscription(subExpression);</span><br><span class="line">        requestHeader.setSubVersion(subVersion);</span><br><span class="line">        requestHeader.setExpressionType(expressionType);</span><br><span class="line"></span><br><span class="line">        String brokerAddr = findBrokerResult.getBrokerAddr();</span><br><span class="line">        <span class="keyword">if</span> (PullSysFlag.hasClassFilterFlag(sysFlagInner)) &#123;</span><br><span class="line">            brokerAddr = computPullFromWhichFilterServer(mq.getTopic(), brokerAddr);</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        PullResult pullResult = <span class="keyword">this</span>.mQClientFactory.getMQClientAPIImpl().pullMessage(</span><br><span class="line">            brokerAddr,</span><br><span class="line">            requestHeader,</span><br><span class="line">            timeoutMillis,</span><br><span class="line">            communicationMode,</span><br><span class="line">            pullCallback);</span><br><span class="line"></span><br><span class="line">        <span class="keyword">return</span> pullResult;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">throw</span> <span class="keyword">new</span> MQClientException(<span class="string">"The broker["</span> + mq.getBrokerName() + <span class="string">"] not exist"</span>, <span class="keyword">null</span>);</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+<p>再看下一步的</p>
+<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">public</span> PullResult <span class="title">pullMessage</span><span class="params">(</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> String addr,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> PullMessageRequestHeader requestHeader,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> <span class="keyword">long</span> timeoutMillis,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> CommunicationMode communicationMode,</span></span></span><br><span class="line"><span class="function"><span class="params">    <span class="keyword">final</span> PullCallback pullCallback</span></span></span><br><span class="line"><span class="function"><span class="params">)</span> <span class="keyword">throws</span> RemotingException, MQBrokerException, InterruptedException </span>&#123;</span><br><span class="line">    RemotingCommand request = RemotingCommand.createRequestCommand(RequestCode.PULL_MESSAGE, requestHeader);</span><br><span class="line"></span><br><span class="line">    <span class="keyword">switch</span> (communicationMode) &#123;</span><br><span class="line">        <span class="keyword">case</span> ONEWAY:</span><br><span class="line">            <span class="keyword">assert</span> <span class="keyword">false</span>;</span><br><span class="line">            <span class="keyword">return</span> <span class="keyword">null</span>;</span><br><span class="line">        <span class="keyword">case</span> ASYNC:</span><br><span class="line">            <span class="keyword">this</span>.pullMessageAsync(addr, request, timeoutMillis, pullCallback);</span><br><span class="line">            <span class="keyword">return</span> <span class="keyword">null</span>;</span><br><span class="line">        <span class="keyword">case</span> SYNC:</span><br><span class="line">            <span class="keyword">return</span> <span class="keyword">this</span>.pullMessageSync(addr, request, timeoutMillis);</span><br><span class="line">        <span class="keyword">default</span>:</span><br><span class="line">            <span class="keyword">assert</span> <span class="keyword">false</span>;</span><br><span class="line">            <span class="keyword">break</span>;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">return</span> <span class="keyword">null</span>;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+<p>通过 communicationMode 判断是同步拉取还是异步拉取，异步就调用</p>
+<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">private</span> <span class="keyword">void</span> <span class="title">pullMessageAsync</span><span class="params">(</span></span></span><br><span class="line"><span class="function"><span class="params">        <span class="keyword">final</span> String addr,</span></span></span><br><span class="line"><span class="function"><span class="params">        <span class="keyword">final</span> RemotingCommand request,</span></span></span><br><span class="line"><span class="function"><span class="params">        <span class="keyword">final</span> <span class="keyword">long</span> timeoutMillis,</span></span></span><br><span class="line"><span class="function"><span class="params">        <span class="keyword">final</span> PullCallback pullCallback</span></span></span><br><span class="line"><span class="function"><span class="params">    )</span> <span class="keyword">throws</span> RemotingException, InterruptedException </span>&#123;</span><br><span class="line">        <span class="keyword">this</span>.remotingClient.invokeAsync(addr, request, timeoutMillis, <span class="keyword">new</span> InvokeCallback() &#123;</span><br><span class="line">            <span class="meta">@Override</span></span><br><span class="line">            <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">operationComplete</span><span class="params">(ResponseFuture responseFuture)</span> </span>&#123;</span><br><span class="line">                异步</span><br><span class="line">                RemotingCommand response = responseFuture.getResponseCommand();</span><br><span class="line">                <span class="keyword">if</span> (response != <span class="keyword">null</span>) &#123;</span><br><span class="line">                    <span class="keyword">try</span> &#123;</span><br><span class="line">                        PullResult pullResult = MQClientAPIImpl.<span class="keyword">this</span>.processPullResponse(response);</span><br><span class="line">                        <span class="keyword">assert</span> pullResult != <span class="keyword">null</span>;</span><br><span class="line">                        pullCallback.onSuccess(pullResult);</span><br><span class="line">                    &#125; <span class="keyword">catch</span> (Exception e) &#123;</span><br><span class="line">                        pullCallback.onException(e);</span><br><span class="line">                    &#125;</span><br><span class="line">                &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                    <span class="keyword">if</span> (!responseFuture.isSendRequestOK()) &#123;</span><br><span class="line">                        pullCallback.onException(<span class="keyword">new</span> MQClientException(<span class="string">"send request failed to "</span> + addr + <span class="string">". Request: "</span> + request, responseFuture.getCause()));</span><br><span class="line">                    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (responseFuture.isTimeout()) &#123;</span><br><span class="line">                        pullCallback.onException(<span class="keyword">new</span> MQClientException(<span class="string">"wait response from "</span> + addr + <span class="string">" timeout :"</span> + responseFuture.getTimeoutMillis() + <span class="string">"ms"</span> + <span class="string">". Request: "</span> + request,</span><br><span class="line">                            responseFuture.getCause()));</span><br><span class="line">                    &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                        pullCallback.onException(<span class="keyword">new</span> MQClientException(<span class="string">"unknown reason. addr: "</span> + addr + <span class="string">", timeoutMillis: "</span> + timeoutMillis + <span class="string">". Request: "</span> + request, responseFuture.getCause()));</span><br><span class="line">                    &#125;</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;);</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
+<p>并且会调用前面 pullCallback 的onSuccess和onException方法，同步的就是调用</p>
+<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">private</span> PullResult <span class="title">pullMessageSync</span><span class="params">(</span></span></span><br><span class="line"><span class="function"><span class="params">        <span class="keyword">final</span> String addr,</span></span></span><br><span class="line"><span class="function"><span class="params">        <span class="keyword">final</span> RemotingCommand request,</span></span></span><br><span class="line"><span class="function"><span class="params">        <span class="keyword">final</span> <span class="keyword">long</span> timeoutMillis</span></span></span><br><span class="line"><span class="function"><span class="params">    )</span> <span class="keyword">throws</span> RemotingException, InterruptedException, MQBrokerException </span>&#123;</span><br><span class="line">        RemotingCommand response = <span class="keyword">this</span>.remotingClient.invokeSync(addr, request, timeoutMillis);</span><br><span class="line">        <span class="keyword">assert</span> response != <span class="keyword">null</span>;</span><br><span class="line">        <span class="keyword">return</span> <span class="keyword">this</span>.processPullResponse(response);</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
+<p>然后就是这个 remotingClient 的 invokeAsync 跟 invokeSync 方法</p>
+<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">@Override</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">invokeAsync</span><span class="params">(String addr, RemotingCommand request, <span class="keyword">long</span> timeoutMillis, InvokeCallback invokeCallback)</span></span></span><br><span class="line"><span class="function">        <span class="keyword">throws</span> InterruptedException, RemotingConnectException, RemotingTooMuchRequestException, RemotingTimeoutException,</span></span><br><span class="line"><span class="function">        RemotingSendRequestException </span>&#123;</span><br><span class="line">        <span class="keyword">long</span> beginStartTime = System.currentTimeMillis();</span><br><span class="line">        <span class="keyword">final</span> Channel channel = <span class="keyword">this</span>.getAndCreateChannel(addr);</span><br><span class="line">        <span class="keyword">if</span> (channel != <span class="keyword">null</span> &amp;&amp; channel.isActive()) &#123;</span><br><span class="line">            <span class="keyword">try</span> &#123;</span><br><span class="line">                doBeforeRpcHooks(addr, request);</span><br><span class="line">                <span class="keyword">long</span> costTime = System.currentTimeMillis() - beginStartTime;</span><br><span class="line">                <span class="keyword">if</span> (timeoutMillis &lt; costTime) &#123;</span><br><span class="line">                    <span class="keyword">throw</span> <span class="keyword">new</span> RemotingTooMuchRequestException(<span class="string">"invokeAsync call timeout"</span>);</span><br><span class="line">                &#125;</span><br><span class="line">                <span class="keyword">this</span>.invokeAsyncImpl(channel, request, timeoutMillis - costTime, invokeCallback);</span><br><span class="line">            &#125; <span class="keyword">catch</span> (RemotingSendRequestException e) &#123;</span><br><span class="line">                log.warn(<span class="string">"invokeAsync: send request exception, so close the channel[&#123;&#125;]"</span>, addr);</span><br><span class="line">                <span class="keyword">this</span>.closeChannel(addr, channel);</span><br><span class="line">                <span class="keyword">throw</span> e;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">            <span class="keyword">this</span>.closeChannel(addr, channel);</span><br><span class="line">            <span class="keyword">throw</span> <span class="keyword">new</span> RemotingConnectException(addr);</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br><span class="line"><span class="meta">@Override</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> RemotingCommand <span class="title">invokeSync</span><span class="params">(String addr, <span class="keyword">final</span> RemotingCommand request, <span class="keyword">long</span> timeoutMillis)</span></span></span><br><span class="line"><span class="function">        <span class="keyword">throws</span> InterruptedException, RemotingConnectException, RemotingSendRequestException, RemotingTimeoutException </span>&#123;</span><br><span class="line">        <span class="keyword">long</span> beginStartTime = System.currentTimeMillis();</span><br><span class="line">        <span class="keyword">final</span> Channel channel = <span class="keyword">this</span>.getAndCreateChannel(addr);</span><br><span class="line">        <span class="keyword">if</span> (channel != <span class="keyword">null</span> &amp;&amp; channel.isActive()) &#123;</span><br><span class="line">            <span class="keyword">try</span> &#123;</span><br><span class="line">                doBeforeRpcHooks(addr, request);</span><br><span class="line">                <span class="keyword">long</span> costTime = System.currentTimeMillis() - beginStartTime;</span><br><span class="line">                <span class="keyword">if</span> (timeoutMillis &lt; costTime) &#123;</span><br><span class="line">                    <span class="keyword">throw</span> <span class="keyword">new</span> RemotingTimeoutException(<span class="string">"invokeSync call timeout"</span>);</span><br><span class="line">                &#125;</span><br><span class="line">                RemotingCommand response = <span class="keyword">this</span>.invokeSyncImpl(channel, request, timeoutMillis - costTime);</span><br><span class="line">                doAfterRpcHooks(RemotingHelper.parseChannelRemoteAddr(channel), request, response);</span><br><span class="line">                <span class="keyword">return</span> response;</span><br><span class="line">            &#125; <span class="keyword">catch</span> (RemotingSendRequestException e) &#123;</span><br><span class="line">                log.warn(<span class="string">"invokeSync: send request exception, so close the channel[&#123;&#125;]"</span>, addr);</span><br><span class="line">                <span class="keyword">this</span>.closeChannel(addr, channel);</span><br><span class="line">                <span class="keyword">throw</span> e;</span><br><span class="line">            &#125; <span class="keyword">catch</span> (RemotingTimeoutException e) &#123;</span><br><span class="line">                <span class="keyword">if</span> (nettyClientConfig.isClientCloseSocketIfTimeout()) &#123;</span><br><span class="line">                    <span class="keyword">this</span>.closeChannel(addr, channel);</span><br><span class="line">                    log.warn(<span class="string">"invokeSync: close socket because of timeout, &#123;&#125;ms, &#123;&#125;"</span>, timeoutMillis, addr);</span><br><span class="line">                &#125;</span><br><span class="line">                log.warn(<span class="string">"invokeSync: wait response timeout exception, the channel[&#123;&#125;]"</span>, addr);</span><br><span class="line">                <span class="keyword">throw</span> e;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">            <span class="keyword">this</span>.closeChannel(addr, channel);</span><br><span class="line">            <span class="keyword">throw</span> <span class="keyword">new</span> RemotingConnectException(addr);</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
+<p>再往下看</p>
+<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">public</span> RemotingCommand <span class="title">invokeSyncImpl</span><span class="params">(<span class="keyword">final</span> Channel channel, <span class="keyword">final</span> RemotingCommand request,</span></span></span><br><span class="line"><span class="function"><span class="params">        <span class="keyword">final</span> <span class="keyword">long</span> timeoutMillis)</span></span></span><br><span class="line"><span class="function">        <span class="keyword">throws</span> InterruptedException, RemotingSendRequestException, RemotingTimeoutException </span>&#123;</span><br><span class="line">        <span class="keyword">final</span> <span class="keyword">int</span> opaque = request.getOpaque();</span><br><span class="line"></span><br><span class="line">        <span class="keyword">try</span> &#123;</span><br><span class="line">            同步跟异步都是会把结果用ResponseFuture抱起来</span><br><span class="line">            <span class="keyword">final</span> ResponseFuture responseFuture = <span class="keyword">new</span> ResponseFuture(channel, opaque, timeoutMillis, <span class="keyword">null</span>, <span class="keyword">null</span>);</span><br><span class="line">            <span class="keyword">this</span>.responseTable.put(opaque, responseFuture);</span><br><span class="line">            <span class="keyword">final</span> SocketAddress addr = channel.remoteAddress();</span><br><span class="line">            channel.writeAndFlush(request).addListener(<span class="keyword">new</span> ChannelFutureListener() &#123;</span><br><span class="line">                <span class="meta">@Override</span></span><br><span class="line">                <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">operationComplete</span><span class="params">(ChannelFuture f)</span> <span class="keyword">throws</span> Exception </span>&#123;</span><br><span class="line">                    <span class="keyword">if</span> (f.isSuccess()) &#123;</span><br><span class="line">                        responseFuture.setSendRequestOK(<span class="keyword">true</span>);</span><br><span class="line">                        <span class="keyword">return</span>;</span><br><span class="line">                    &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                        responseFuture.setSendRequestOK(<span class="keyword">false</span>);</span><br><span class="line">                    &#125;</span><br><span class="line"></span><br><span class="line">                    responseTable.remove(opaque);</span><br><span class="line">                    responseFuture.setCause(f.cause());</span><br><span class="line">                    responseFuture.putResponse(<span class="keyword">null</span>);</span><br><span class="line">                    log.warn(<span class="string">"send a request command to channel &lt;"</span> + addr + <span class="string">"&gt; failed."</span>);</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;);</span><br><span class="line">            <span class="comment">// 区别是同步的是在这等待</span></span><br><span class="line">            RemotingCommand responseCommand = responseFuture.waitResponse(timeoutMillis);</span><br><span class="line">            <span class="keyword">if</span> (<span class="keyword">null</span> == responseCommand) &#123;</span><br><span class="line">                <span class="keyword">if</span> (responseFuture.isSendRequestOK()) &#123;</span><br><span class="line">                    <span class="keyword">throw</span> <span class="keyword">new</span> RemotingTimeoutException(RemotingHelper.parseSocketAddressAddr(addr), timeoutMillis,</span><br><span class="line">                        responseFuture.getCause());</span><br><span class="line">                &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                    <span class="keyword">throw</span> <span class="keyword">new</span> RemotingSendRequestException(RemotingHelper.parseSocketAddressAddr(addr), responseFuture.getCause());</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line"></span><br><span class="line">            <span class="keyword">return</span> responseCommand;</span><br><span class="line">        &#125; <span class="keyword">finally</span> &#123;</span><br><span class="line">            <span class="keyword">this</span>.responseTable.remove(opaque);</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">invokeAsyncImpl</span><span class="params">(<span class="keyword">final</span> Channel channel, <span class="keyword">final</span> RemotingCommand request, <span class="keyword">final</span> <span class="keyword">long</span> timeoutMillis,</span></span></span><br><span class="line"><span class="function"><span class="params">        <span class="keyword">final</span> InvokeCallback invokeCallback)</span></span></span><br><span class="line"><span class="function">        <span class="keyword">throws</span> InterruptedException, RemotingTooMuchRequestException, RemotingTimeoutException, RemotingSendRequestException </span>&#123;</span><br><span class="line">        <span class="keyword">long</span> beginStartTime = System.currentTimeMillis();</span><br><span class="line">        <span class="keyword">final</span> <span class="keyword">int</span> opaque = request.getOpaque();</span><br><span class="line">        <span class="keyword">boolean</span> acquired = <span class="keyword">this</span>.semaphoreAsync.tryAcquire(timeoutMillis, TimeUnit.MILLISECONDS);</span><br><span class="line">        <span class="keyword">if</span> (acquired) &#123;</span><br><span class="line">            <span class="keyword">final</span> SemaphoreReleaseOnlyOnce once = <span class="keyword">new</span> SemaphoreReleaseOnlyOnce(<span class="keyword">this</span>.semaphoreAsync);</span><br><span class="line">            <span class="keyword">long</span> costTime = System.currentTimeMillis() - beginStartTime;</span><br><span class="line">            <span class="keyword">if</span> (timeoutMillis &lt; costTime) &#123;</span><br><span class="line">                once.release();</span><br><span class="line">                <span class="keyword">throw</span> <span class="keyword">new</span> RemotingTimeoutException(<span class="string">"invokeAsyncImpl call timeout"</span>);</span><br><span class="line">            &#125;</span><br><span class="line"></span><br><span class="line">            <span class="keyword">final</span> ResponseFuture responseFuture = <span class="keyword">new</span> ResponseFuture(channel, opaque, timeoutMillis - costTime, invokeCallback, once);</span><br><span class="line">            <span class="keyword">this</span>.responseTable.put(opaque, responseFuture);</span><br><span class="line">            <span class="keyword">try</span> &#123;</span><br><span class="line">                channel.writeAndFlush(request).addListener(<span class="keyword">new</span> ChannelFutureListener() &#123;</span><br><span class="line">                    <span class="meta">@Override</span></span><br><span class="line">                    <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">operationComplete</span><span class="params">(ChannelFuture f)</span> <span class="keyword">throws</span> Exception </span>&#123;</span><br><span class="line">                        <span class="keyword">if</span> (f.isSuccess()) &#123;</span><br><span class="line">                            responseFuture.setSendRequestOK(<span class="keyword">true</span>);</span><br><span class="line">                            <span class="keyword">return</span>;</span><br><span class="line">                        &#125;</span><br><span class="line">                        requestFail(opaque);</span><br><span class="line">                        log.warn(<span class="string">"send a request command to channel &lt;&#123;&#125;&gt; failed."</span>, RemotingHelper.parseChannelRemoteAddr(channel));</span><br><span class="line">                    &#125;</span><br><span class="line">                &#125;);</span><br><span class="line">            &#125; <span class="keyword">catch</span> (Exception e) &#123;</span><br><span class="line">                responseFuture.release();</span><br><span class="line">                log.warn(<span class="string">"send a request command to channel &lt;"</span> + RemotingHelper.parseChannelRemoteAddr(channel) + <span class="string">"&gt; Exception"</span>, e);</span><br><span class="line">                <span class="keyword">throw</span> <span class="keyword">new</span> RemotingSendRequestException(RemotingHelper.parseChannelRemoteAddr(channel), e);</span><br><span class="line">            &#125;</span><br><span class="line">        &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">            <span class="keyword">if</span> (timeoutMillis &lt;= <span class="number">0</span>) &#123;</span><br><span class="line">                <span class="keyword">throw</span> <span class="keyword">new</span> RemotingTooMuchRequestException(<span class="string">"invokeAsyncImpl invoke too fast"</span>);</span><br><span class="line">            &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                String info =</span><br><span class="line">                    String.format(<span class="string">"invokeAsyncImpl tryAcquire semaphore timeout, %dms, waiting thread nums: %d semaphoreAsyncValue: %d"</span>,</span><br><span class="line">                        timeoutMillis,</span><br><span class="line">                        <span class="keyword">this</span>.semaphoreAsync.getQueueLength(),</span><br><span class="line">                        <span class="keyword">this</span>.semaphoreAsync.availablePermits()</span><br><span class="line">                    );</span><br><span class="line">                log.warn(info);</span><br><span class="line">                <span class="keyword">throw</span> <span class="keyword">new</span> RemotingTimeoutException(info);</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br></pre></td></tr></table></figure>
+
+
+
+
+      
+    </div>
+
+    
+    
+    
+      
+
+      <footer class="post-footer">
+        <div class="post-eof"></div>
+      </footer>
+  </article>
+  
+  
+  
+
+      
+  
+  
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     <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2020/06/21/%E4%BB%8B%E7%BB%8D%E4%B8%80%E4%B8%8B-RocketMQ/">
 
@@ -717,121 +865,10 @@
   
   
 
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-              <time title="Created: 2020-05-22 23:26:50" itemprop="dateCreated datePublished" datetime="2020-05-22T23:26:50+08:00">2020-05-22</time>
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-          <p>因为传说中的出身问题，我以前写的是PHP，在使用 swoole 之前，基本的应用调试手段就是简单粗暴的 var_dump，exit，对于单进程模型的 PHP 也是简单有效，技术栈换成 Java 之后，就变得没那么容易，一方面是需要编译，另一方面是一般都是基于 spring 的项目，如果问题定位比较模糊，那框架层的是很难靠简单的 System.out.println 或者打 log 解决，(PS：我觉得可能我写的东西比较适合从 PHP 这种弱类型语言转到 Java 的小白同学)这个时候一方面因为是 Java，有了非常好用的 idea IDE 的支持，可以各种花式调试，条件断点尤其牛叉，但是又因为有 Spring+Java 的双重原因，有些情况下单步调试可以把手按废掉，这也是我之前一直比较困惑苦逼的点，后来随着慢慢精（jiang）进（you）之后，比如对于一个 oom 的情况，我们可以通过启动参数加上-XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=xx/xx 来配置溢出时的堆dump 日志，获取到这个文件后，我们可以通过像 Memory Analyzer (MAT)[<a href="https://www.eclipse.org/mat/]" target="_blank" rel="noopener">https://www.eclipse.org/mat/]</a> (The Eclipse Memory Analyzer is a fast and feature-rich Java heap analyzer that helps you find memory leaks and reduce memory consumption.)来查看诊断问题所在，之前用到的时候是因为有个死循环一直往链表里塞数据，属于比较简单的，后来一次是由于运维进行应用迁移时按默认的统一配置了堆内存大小，导致内存的确不够用，所以溢出了，<br>今天想说的其实主要是我们的 thread dump，这也是我最近才真正用的一个方法，可能真的很小白了，用过 ide 的单步调试其实都知道会有一个一层层的玩意，比如函数从 A，调用了 B，再从 B 调用了 C，一直往下(因为是 Java，所以还有很多🤦‍♂️)，这个其实也是大部分语言的调用模型，利用了栈这个数据结构，通过这个结构我们可以知道代码的调用链路，由于对于一个 spring 应用，在本身框架代码量非常庞大的情况下，外加如果应用代码也是非常多的时候，有时候通过单步调试真的很难短时间定位到问题，需要非常大的耐心和仔细观察，当然不是说完全不行，举个例子当我的应用经常启动需要非常长的时间，因为本身应用有非常多个 bean，比较难说究竟是 bean 的加载的确很慢还是有什么异常原因，这种时候就可以使用 thread dump 了，具体怎么操作呢<br><img data-src="https://mystore-1255223546.cos.ap-chengdu.myqcloud.com/uPic/GPYHjd.png" alt=""><br>如果在idea 中运行或者调试时，可以直接点击这个照相机一样的按钮，右边就会出现了左边会显示所有的线程，右边会显示线程栈，</p>
-<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line">&quot;main@1&quot; prio&#x3D;5 tid&#x3D;0x1 nid&#x3D;NA runnable</span><br><span class="line">  java.lang.Thread.State: RUNNABLE</span><br><span class="line">	  at TreeDistance.treeDist(TreeDistance.java:64)</span><br><span class="line">	  at TreeDistance.treeDist(TreeDistance.java:65)</span><br><span class="line">	  at TreeDistance.treeDist(TreeDistance.java:65)</span><br><span class="line">	  at TreeDistance.treeDist(TreeDistance.java:65)</span><br><span class="line">	  at TreeDistance.main(TreeDistance.java:45)</span><br></pre></td></tr></table></figure>
-<p>这就是我们主线程的堆栈信息了，main 表示这个线程名，prio表示优先级，默认是 5，tid 表示线程 id，nid 表示对应的系统线程，后面的runnable 表示目前线程状态，因为是被我打了断点，所以是就许状态，然后下面就是对应的线程栈内容了，在<code>TreeDistance</code>类的 <code>treeDist</code>方法中，对应的文件行数是 64 行。<br>这里使用 thread dump一般也不会是上面我截图代码里的这种代码量很少的，一般是大型项目，有时候跑着跑着没反应，又不知道跑到哪了，特别是一些刚接触的大项目或者需要定位一个大项目的一个疑难问题，一时没思路时，可以使用这个方法，个人觉得非常有帮助。</p>
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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span 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diff --git a/page/3/index.html b/page/3/index.html
index c98dd0adc2..aaec800afb 100644
--- a/page/3/index.html
+++ b/page/3/index.html
@@ -203,6 +203,117 @@
       
   
   
+  <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2020/05/22/%E8%81%8A%E8%81%8A%E6%88%91%E5%88%9A%E5%AD%A6%E4%BC%9A%E7%9A%84%E5%BA%94%E7%94%A8%E8%AF%8A%E6%96%AD%E6%96%B9%E6%B3%95/">
+
+    <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
+      <meta itemprop="image" content="/uploads/avatar.jpg">
+      <meta itemprop="name" content="Nicksxs">
+      <meta itemprop="description" content="learn from zero,技术博客，Nicksxs，史学森">
+    </span>
+
+    <span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization">
+      <meta itemprop="name" content="Nicksxs's Blog">
+    </span>
+      <header class="post-header">
+        <h2 class="post-title" itemprop="name headline">
+          
+            <a href="/2020/05/22/%E8%81%8A%E8%81%8A%E6%88%91%E5%88%9A%E5%AD%A6%E4%BC%9A%E7%9A%84%E5%BA%94%E7%94%A8%E8%AF%8A%E6%96%AD%E6%96%B9%E6%B3%95/" class="post-title-link" itemprop="url">聊聊我刚学会的应用诊断方法</a>
+        </h2>
+
+        <div class="post-meta">
+            <span class="post-meta-item">
+              <span class="post-meta-item-icon">
+                <i class="far fa-calendar"></i>
+              </span>
+              <span class="post-meta-item-text">Posted on</span>
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+          <p>因为传说中的出身问题，我以前写的是PHP，在使用 swoole 之前，基本的应用调试手段就是简单粗暴的 var_dump，exit，对于单进程模型的 PHP 也是简单有效，技术栈换成 Java 之后，就变得没那么容易，一方面是需要编译，另一方面是一般都是基于 spring 的项目，如果问题定位比较模糊，那框架层的是很难靠简单的 System.out.println 或者打 log 解决，(PS：我觉得可能我写的东西比较适合从 PHP 这种弱类型语言转到 Java 的小白同学)这个时候一方面因为是 Java，有了非常好用的 idea IDE 的支持，可以各种花式调试，条件断点尤其牛叉，但是又因为有 Spring+Java 的双重原因，有些情况下单步调试可以把手按废掉，这也是我之前一直比较困惑苦逼的点，后来随着慢慢精（jiang）进（you）之后，比如对于一个 oom 的情况，我们可以通过启动参数加上-XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=xx/xx 来配置溢出时的堆dump 日志，获取到这个文件后，我们可以通过像 Memory Analyzer (MAT)[<a href="https://www.eclipse.org/mat/]" target="_blank" rel="noopener">https://www.eclipse.org/mat/]</a> (The Eclipse Memory Analyzer is a fast and feature-rich Java heap analyzer that helps you find memory leaks and reduce memory consumption.)来查看诊断问题所在，之前用到的时候是因为有个死循环一直往链表里塞数据，属于比较简单的，后来一次是由于运维进行应用迁移时按默认的统一配置了堆内存大小，导致内存的确不够用，所以溢出了，<br>今天想说的其实主要是我们的 thread dump，这也是我最近才真正用的一个方法，可能真的很小白了，用过 ide 的单步调试其实都知道会有一个一层层的玩意，比如函数从 A，调用了 B，再从 B 调用了 C，一直往下(因为是 Java，所以还有很多🤦‍♂️)，这个其实也是大部分语言的调用模型，利用了栈这个数据结构，通过这个结构我们可以知道代码的调用链路，由于对于一个 spring 应用，在本身框架代码量非常庞大的情况下，外加如果应用代码也是非常多的时候，有时候通过单步调试真的很难短时间定位到问题，需要非常大的耐心和仔细观察，当然不是说完全不行，举个例子当我的应用经常启动需要非常长的时间，因为本身应用有非常多个 bean，比较难说究竟是 bean 的加载的确很慢还是有什么异常原因，这种时候就可以使用 thread dump 了，具体怎么操作呢<br><img data-src="https://mystore-1255223546.cos.ap-chengdu.myqcloud.com/uPic/GPYHjd.png" alt=""><br>如果在idea 中运行或者调试时，可以直接点击这个照相机一样的按钮，右边就会出现了左边会显示所有的线程，右边会显示线程栈，</p>
+<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line">&quot;main@1&quot; prio&#x3D;5 tid&#x3D;0x1 nid&#x3D;NA runnable</span><br><span class="line">  java.lang.Thread.State: RUNNABLE</span><br><span class="line">	  at TreeDistance.treeDist(TreeDistance.java:64)</span><br><span class="line">	  at TreeDistance.treeDist(TreeDistance.java:65)</span><br><span class="line">	  at TreeDistance.treeDist(TreeDistance.java:65)</span><br><span class="line">	  at TreeDistance.treeDist(TreeDistance.java:65)</span><br><span class="line">	  at TreeDistance.main(TreeDistance.java:45)</span><br></pre></td></tr></table></figure>
+<p>这就是我们主线程的堆栈信息了，main 表示这个线程名，prio表示优先级，默认是 5，tid 表示线程 id，nid 表示对应的系统线程，后面的runnable 表示目前线程状态，因为是被我打了断点，所以是就许状态，然后下面就是对应的线程栈内容了，在<code>TreeDistance</code>类的 <code>treeDist</code>方法中，对应的文件行数是 64 行。<br>这里使用 thread dump一般也不会是上面我截图代码里的这种代码量很少的，一般是大型项目，有时候跑着跑着没反应，又不知道跑到哪了，特别是一些刚接触的大项目或者需要定位一个大项目的一个疑难问题，一时没思路时，可以使用这个方法，个人觉得非常有帮助。</p>
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-          <h3 id="LRU"><a href="#LRU" class="headerlink" title="LRU"></a>LRU</h3><p>说完了过期策略再说下淘汰策略，redis 使用的策略是近似的 lru 策略，为什么是近似的呢，先来看下什么是 lru，看下 wiki 的介绍<br><img data-src="https://i.loli.net/2020/04/14/wWyhc2dQfb4BYsK.png" alt="">，图中一共有四个槽的存储空间，依次访问顺序是 A B C D E D F，<br>当第一次访问 D 时刚好占满了坑，并且值是 4，这个值越小代表越先被淘汰，当 E 进来时，看了下已经存在的四个里 A 是最小的，代表是最早存在并且最早被访问的，那就先淘汰它了，E 占领了 A 的位置，并设置值为 4，然后又访问 D 了，D 已经存在了，不过又被访问到了，得更新值为 5，然后是 F 进来了，这时 B 是最老的且最近未被访问，所以就淘汰它了。以上是一个 lru 的简要说明，但是 redis 没有严格按照这个去执行，理由跟前面过期策略一致，最严格的过期策略应该是每个 key 都有对应的定时器，当超时时马上就能清除，但是问题是这样的cpu 消耗太大，所换来的内存效率不太值得，淘汰策略也是这样，类似于上图，要维护所有 key 的一个有序 lru 值，并且遍历将最小的淘汰，redis 采用的是抽样的形式，最初的实现方式是随机从 dict 抽取 5 个 key，淘汰一个 lru 最小的，这样子勉强能达到淘汰的目的，但是效果不是特别好，后面在 redis 3.0开始，将随机抽取改成了维护一个 pool，pool 的大小默认是 16，每次放入的都是按lru 值有序排列好，每一次放入的必须是 lru小于 pool 中最小的 lru 才允许放入，直到放满，后面再有新的就会将大的踢出。<br>redis 针对这个策略的改进做了一个实验，这里借用下图<br><img data-src="https://i.loli.net/2020/04/18/QwcROpB345ezEkX.png" alt=""><br>首先背景是这图中的所有点都对应一个 redis 的 key，灰色部分加入后被顺序访问过一遍，然后又加入了绿色部分，那么按照理论的 lru 算法，应该是图左上中，浅灰色部分全都被淘汰，那么对比来看看图右上，左下和右下，左下表示 2.8 版本就是随机抽样 5 个 key，淘汰其中 lru 最小的一个，发现是灰色和浅灰色的都有被淘汰的，右下的 3.0 版本抽样数量不变的情况下，稍好一些，当 3.0 版本的抽样数量调整成 10 后，已经较为接近理论上的 lru 策略了，通过代码来简要分析下</p>
-<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">redisObject</span> &#123;</span></span><br><span class="line">    <span class="keyword">unsigned</span> type:<span class="number">4</span>;</span><br><span class="line">    <span class="keyword">unsigned</span> encoding:<span class="number">4</span>;</span><br><span class="line">    <span class="keyword">unsigned</span> lru:LRU_BITS; <span class="comment">/* LRU time (relative to global lru_clock) or</span></span><br><span class="line"><span class="comment">                            * LFU data (least significant 8 bits frequency</span></span><br><span class="line"><span class="comment">                            * and most significant 16 bits access time). */</span></span><br><span class="line">    <span class="keyword">int</span> refcount;</span><br><span class="line">    <span class="keyword">void</span> *ptr;</span><br><span class="line">&#125; robj;</span><br></pre></td></tr></table></figure>
-<p>对于 lru 策略来说，lru 字段记录的就是<a href="https://github.com/antirez/redis/blob/unstable/src/server.h#L603" target="_blank" rel="noopener"><code>redisObj</code></a> 的LRU time，<br>redis 在访问数据时，都会调用<a href="https://github.com/antirez/redis/blob/unstable/src/db.c#L55" target="_blank" rel="noopener"><code>lookupKey</code></a>方法</p>
-<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/* Low level key lookup API, not actually called directly from commands</span></span><br><span class="line"><span class="comment"> * implementations that should instead rely on lookupKeyRead(),</span></span><br><span class="line"><span class="comment"> * lookupKeyWrite() and lookupKeyReadWithFlags(). */</span></span><br><span class="line"><span class="function">robj *<span class="title">lookupKey</span><span class="params">(redisDb *db, robj *key, <span class="keyword">int</span> flags)</span> </span>&#123;</span><br><span class="line">    dictEntry *de = dictFind(db-&gt;dict,key-&gt;ptr);</span><br><span class="line">    <span class="keyword">if</span> (de) &#123;</span><br><span class="line">        robj *val = dictGetVal(de);</span><br><span class="line"></span><br><span class="line">        <span class="comment">/* Update the access time for the ageing algorithm.</span></span><br><span class="line"><span class="comment">         * Don't do it if we have a saving child, as this will trigger</span></span><br><span class="line"><span class="comment">         * a copy on write madness. */</span></span><br><span class="line">        <span class="keyword">if</span> (!hasActiveChildProcess() &amp;&amp; !(flags &amp; LOOKUP_NOTOUCH))&#123;</span><br><span class="line">            <span class="keyword">if</span> (server.maxmemory_policy &amp; MAXMEMORY_FLAG_LFU) &#123;</span><br><span class="line">                <span class="comment">// 这个是后面一节的内容</span></span><br><span class="line">                updateLFU(val);</span><br><span class="line">            &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                <span class="comment">//  对于这个分支，访问时就会去更新 lru 值</span></span><br><span class="line">                val-&gt;lru = LRU_CLOCK();</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">return</span> val;</span><br><span class="line">    &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">        <span class="keyword">return</span> <span class="literal">NULL</span>;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br><span class="line"><span class="comment">/* This function is used to obtain the current LRU clock.</span></span><br><span class="line"><span class="comment"> * If the current resolution is lower than the frequency we refresh the</span></span><br><span class="line"><span class="comment"> * LRU clock (as it should be in production servers) we return the</span></span><br><span class="line"><span class="comment"> * precomputed value, otherwise we need to resort to a system call. */</span></span><br><span class="line"><span class="function"><span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="title">LRU_CLOCK</span><span class="params">(<span class="keyword">void</span>)</span> </span>&#123;</span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> lruclock;</span><br><span class="line">    <span class="keyword">if</span> (<span class="number">1000</span>/server.hz &lt;= LRU_CLOCK_RESOLUTION) &#123;</span><br><span class="line">        <span class="comment">// 如果服务器的频率server.hz大于 1 时就是用系统预设的 lruclock</span></span><br><span class="line">        lruclock = server.lruclock;</span><br><span class="line">    &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">        lruclock = getLRUClock();</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="keyword">return</span> lruclock;</span><br><span class="line">&#125;</span><br><span class="line"><span class="comment">/* Return the LRU clock, based on the clock resolution. This is a time</span></span><br><span class="line"><span class="comment"> * in a reduced-bits format that can be used to set and check the</span></span><br><span class="line"><span class="comment"> * object-&gt;lru field of redisObject structures. */</span></span><br><span class="line"><span class="function"><span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="title">getLRUClock</span><span class="params">(<span class="keyword">void</span>)</span> </span>&#123;</span><br><span class="line">    <span class="keyword">return</span> (mstime()/LRU_CLOCK_RESOLUTION) &amp; LRU_CLOCK_MAX;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
-<p>redis 处理命令是在这里<a href="https://github.com/antirez/redis/blob/unstable/src/server.c#L3355" target="_blank" rel="noopener"><code>processCommand</code></a></p>
-<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/* If this function gets called we already read a whole</span></span><br><span class="line"><span class="comment"> * command, arguments are in the client argv/argc fields.</span></span><br><span class="line"><span class="comment"> * processCommand() execute the command or prepare the</span></span><br><span class="line"><span class="comment"> * server for a bulk read from the client.</span></span><br><span class="line"><span class="comment"> *</span></span><br><span class="line"><span class="comment"> * If C_OK is returned the client is still alive and valid and</span></span><br><span class="line"><span class="comment"> * other operations can be performed by the caller. Otherwise</span></span><br><span class="line"><span class="comment"> * if C_ERR is returned the client was destroyed (i.e. after QUIT). */</span></span><br><span class="line"><span class="function"><span class="keyword">int</span> <span class="title">processCommand</span><span class="params">(client *c)</span> </span>&#123;</span><br><span class="line">    moduleCallCommandFilters(c);</span><br><span class="line"></span><br><span class="line">    </span><br><span class="line"></span><br><span class="line">    <span class="comment">/* Handle the maxmemory directive.</span></span><br><span class="line"><span class="comment">     *</span></span><br><span class="line"><span class="comment">     * Note that we do not want to reclaim memory if we are here re-entering</span></span><br><span class="line"><span class="comment">     * the event loop since there is a busy Lua script running in timeout</span></span><br><span class="line"><span class="comment">     * condition, to avoid mixing the propagation of scripts with the</span></span><br><span class="line"><span class="comment">     * propagation of DELs due to eviction. */</span></span><br><span class="line">    <span class="keyword">if</span> (server.maxmemory &amp;&amp; !server.lua_timedout) &#123;</span><br><span class="line">        <span class="keyword">int</span> out_of_memory = freeMemoryIfNeededAndSafe() == C_ERR;</span><br><span class="line">        <span class="comment">/* freeMemoryIfNeeded may flush slave output buffers. This may result</span></span><br><span class="line"><span class="comment">         * into a slave, that may be the active client, to be freed. */</span></span><br><span class="line">        <span class="keyword">if</span> (server.current_client == <span class="literal">NULL</span>) <span class="keyword">return</span> C_ERR;</span><br><span class="line"></span><br><span class="line">        <span class="comment">/* It was impossible to free enough memory, and the command the client</span></span><br><span class="line"><span class="comment">         * is trying to execute is denied during OOM conditions or the client</span></span><br><span class="line"><span class="comment">         * is in MULTI/EXEC context? Error. */</span></span><br><span class="line">        <span class="keyword">if</span> (out_of_memory &amp;&amp;</span><br><span class="line">            (c-&gt;cmd-&gt;flags &amp; CMD_DENYOOM ||</span><br><span class="line">             (c-&gt;flags &amp; CLIENT_MULTI &amp;&amp;</span><br><span class="line">              c-&gt;cmd-&gt;proc != execCommand &amp;&amp;</span><br><span class="line">              c-&gt;cmd-&gt;proc != discardCommand)))</span><br><span class="line">        &#123;</span><br><span class="line">            flagTransaction(c);</span><br><span class="line">            addReply(c, shared.oomerr);</span><br><span class="line">            <span class="keyword">return</span> C_OK;</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
-<p>这里只摘了部分，当需要清理内存时就会调用, 然后调用了<a href="https://github.com/antirez/redis/blob/unstable/src/evict.c#L631" target="_blank" rel="noopener"><code>freeMemoryIfNeededAndSafe</code></a></p>
-<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br><span class="line">92</span><br><span class="line">93</span><br><span class="line">94</span><br><span class="line">95</span><br><span class="line">96</span><br><span class="line">97</span><br><span class="line">98</span><br><span class="line">99</span><br><span class="line">100</span><br><span class="line">101</span><br><span class="line">102</span><br><span class="line">103</span><br><span class="line">104</span><br><span class="line">105</span><br><span class="line">106</span><br><span class="line">107</span><br><span class="line">108</span><br><span class="line">109</span><br><span class="line">110</span><br><span class="line">111</span><br><span class="line">112</span><br><span class="line">113</span><br><span class="line">114</span><br><span class="line">115</span><br><span class="line">116</span><br><span class="line">117</span><br><span class="line">118</span><br><span class="line">119</span><br><span class="line">120</span><br><span class="line">121</span><br><span class="line">122</span><br><span class="line">123</span><br><span class="line">124</span><br><span class="line">125</span><br><span class="line">126</span><br><span class="line">127</span><br><span class="line">128</span><br><span class="line">129</span><br><span class="line">130</span><br><span class="line">131</span><br><span class="line">132</span><br><span class="line">133</span><br><span class="line">134</span><br><span class="line">135</span><br><span class="line">136</span><br><span class="line">137</span><br><span class="line">138</span><br><span class="line">139</span><br><span class="line">140</span><br><span class="line">141</span><br><span class="line">142</span><br><span class="line">143</span><br><span class="line">144</span><br><span class="line">145</span><br><span class="line">146</span><br><span class="line">147</span><br><span class="line">148</span><br><span class="line">149</span><br><span class="line">150</span><br><span class="line">151</span><br><span class="line">152</span><br><span class="line">153</span><br><span class="line">154</span><br><span class="line">155</span><br><span class="line">156</span><br><span class="line">157</span><br><span class="line">158</span><br><span class="line">159</span><br><span class="line">160</span><br><span class="line">161</span><br><span class="line">162</span><br><span class="line">163</span><br><span class="line">164</span><br><span class="line">165</span><br><span class="line">166</span><br><span class="line">167</span><br><span class="line">168</span><br><span class="line">169</span><br><span class="line">170</span><br><span class="line">171</span><br><span class="line">172</span><br><span class="line">173</span><br><span class="line">174</span><br><span class="line">175</span><br><span class="line">176</span><br><span class="line">177</span><br><span class="line">178</span><br><span class="line">179</span><br><span class="line">180</span><br><span class="line">181</span><br><span class="line">182</span><br><span class="line">183</span><br><span class="line">184</span><br><span class="line">185</span><br><span class="line">186</span><br><span class="line">187</span><br><span class="line">188</span><br><span class="line">189</span><br><span class="line">190</span><br><span class="line">191</span><br><span class="line">192</span><br><span class="line">193</span><br><span class="line">194</span><br><span class="line">195</span><br><span class="line">196</span><br><span class="line">197</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/* This is a wrapper for freeMemoryIfNeeded() that only really calls the</span></span><br><span class="line"><span class="comment"> * function if right now there are the conditions to do so safely:</span></span><br><span class="line"><span class="comment"> *</span></span><br><span class="line"><span class="comment"> * - There must be no script in timeout condition.</span></span><br><span class="line"><span class="comment"> * - Nor we are loading data right now.</span></span><br><span class="line"><span class="comment"> *</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"><span class="function"><span class="keyword">int</span> <span class="title">freeMemoryIfNeededAndSafe</span><span class="params">(<span class="keyword">void</span>)</span> </span>&#123;</span><br><span class="line">    <span class="keyword">if</span> (server.lua_timedout || server.loading) <span class="keyword">return</span> C_OK;</span><br><span class="line">    <span class="keyword">return</span> freeMemoryIfNeeded();</span><br><span class="line">&#125;</span><br><span class="line"><span class="comment">/* This function is periodically called to see if there is memory to free</span></span><br><span class="line"><span class="comment"> * according to the current "maxmemory" settings. In case we are over the</span></span><br><span class="line"><span class="comment"> * memory limit, the function will try to free some memory to return back</span></span><br><span class="line"><span class="comment"> * under the limit.</span></span><br><span class="line"><span class="comment"> *</span></span><br><span class="line"><span class="comment"> * The function returns C_OK if we are under the memory limit or if we</span></span><br><span class="line"><span class="comment"> * were over the limit, but the attempt to free memory was successful.</span></span><br><span class="line"><span class="comment"> * Otehrwise if we are over the memory limit, but not enough memory</span></span><br><span class="line"><span class="comment"> * was freed to return back under the limit, the function returns C_ERR. */</span></span><br><span class="line"><span class="function"><span class="keyword">int</span> <span class="title">freeMemoryIfNeeded</span><span class="params">(<span class="keyword">void</span>)</span> </span>&#123;</span><br><span class="line">    <span class="keyword">int</span> keys_freed = <span class="number">0</span>;</span><br><span class="line">    <span class="comment">/* By default replicas should ignore maxmemory</span></span><br><span class="line"><span class="comment">     * and just be masters exact copies. */</span></span><br><span class="line">    <span class="keyword">if</span> (server.masterhost &amp;&amp; server.repl_slave_ignore_maxmemory) <span class="keyword">return</span> C_OK;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">size_t</span> mem_reported, mem_tofree, mem_freed;</span><br><span class="line">    <span class="keyword">mstime_t</span> latency, eviction_latency;</span><br><span class="line">    <span class="keyword">long</span> <span class="keyword">long</span> delta;</span><br><span class="line">    <span class="keyword">int</span> slaves = listLength(server.slaves);</span><br><span class="line"></span><br><span class="line">    <span class="comment">/* When clients are paused the dataset should be static not just from the</span></span><br><span class="line"><span class="comment">     * POV of clients not being able to write, but also from the POV of</span></span><br><span class="line"><span class="comment">     * expires and evictions of keys not being performed. */</span></span><br><span class="line">    <span class="keyword">if</span> (clientsArePaused()) <span class="keyword">return</span> C_OK;</span><br><span class="line">    <span class="keyword">if</span> (getMaxmemoryState(&amp;mem_reported,<span class="literal">NULL</span>,&amp;mem_tofree,<span class="literal">NULL</span>) == C_OK)</span><br><span class="line">        <span class="keyword">return</span> C_OK;</span><br><span class="line"></span><br><span class="line">    mem_freed = <span class="number">0</span>;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">if</span> (server.maxmemory_policy == MAXMEMORY_NO_EVICTION)</span><br><span class="line">        <span class="keyword">goto</span> cant_free; <span class="comment">/* We need to free memory, but policy forbids. */</span></span><br><span class="line"></span><br><span class="line">    latencyStartMonitor(latency);</span><br><span class="line">    <span class="keyword">while</span> (mem_freed &lt; mem_tofree) &#123;</span><br><span class="line">        <span class="keyword">int</span> j, k, i;</span><br><span class="line">        <span class="keyword">static</span> <span class="keyword">unsigned</span> <span class="keyword">int</span> next_db = <span class="number">0</span>;</span><br><span class="line">        sds bestkey = <span class="literal">NULL</span>;</span><br><span class="line">        <span class="keyword">int</span> bestdbid;</span><br><span class="line">        redisDb *db;</span><br><span class="line">        dict *dict;</span><br><span class="line">        dictEntry *de;</span><br><span class="line"></span><br><span class="line">        <span class="keyword">if</span> (server.maxmemory_policy &amp; (MAXMEMORY_FLAG_LRU|MAXMEMORY_FLAG_LFU) ||</span><br><span class="line">            server.maxmemory_policy == MAXMEMORY_VOLATILE_TTL)</span><br><span class="line">        &#123;</span><br><span class="line">            <span class="class"><span class="keyword">struct</span> <span class="title">evictionPoolEntry</span> *<span class="title">pool</span> = <span class="title">EvictionPoolLRU</span>;</span></span><br><span class="line"></span><br><span class="line">            <span class="keyword">while</span>(bestkey == <span class="literal">NULL</span>) &#123;</span><br><span class="line">                <span class="keyword">unsigned</span> <span class="keyword">long</span> total_keys = <span class="number">0</span>, keys;</span><br><span class="line"></span><br><span class="line">                <span class="comment">/* We don't want to make local-db choices when expiring keys,</span></span><br><span class="line"><span class="comment">                 * so to start populate the eviction pool sampling keys from</span></span><br><span class="line"><span class="comment">                 * every DB. */</span></span><br><span class="line">                <span class="keyword">for</span> (i = <span class="number">0</span>; i &lt; server.dbnum; i++) &#123;</span><br><span class="line">                    db = server.db+i;</span><br><span class="line">                    dict = (server.maxmemory_policy &amp; MAXMEMORY_FLAG_ALLKEYS) ?</span><br><span class="line">                            db-&gt;dict : db-&gt;expires;</span><br><span class="line">                    <span class="keyword">if</span> ((keys = dictSize(dict)) != <span class="number">0</span>) &#123;</span><br><span class="line">                        evictionPoolPopulate(i, dict, db-&gt;dict, pool);</span><br><span class="line">                        total_keys += keys;</span><br><span class="line">                    &#125;</span><br><span class="line">                &#125;</span><br><span class="line">                <span class="keyword">if</span> (!total_keys) <span class="keyword">break</span>; <span class="comment">/* No keys to evict. */</span></span><br><span class="line"></span><br><span class="line">                <span class="comment">/* Go backward from best to worst element to evict. */</span></span><br><span class="line">                <span class="keyword">for</span> (k = EVPOOL_SIZE<span class="number">-1</span>; k &gt;= <span class="number">0</span>; k--) &#123;</span><br><span class="line">                    <span class="keyword">if</span> (pool[k].key == <span class="literal">NULL</span>) <span class="keyword">continue</span>;</span><br><span class="line">                    bestdbid = pool[k].dbid;</span><br><span class="line"></span><br><span class="line">                    <span class="keyword">if</span> (server.maxmemory_policy &amp; MAXMEMORY_FLAG_ALLKEYS) &#123;</span><br><span class="line">                        de = dictFind(server.db[pool[k].dbid].dict,</span><br><span class="line">                            pool[k].key);</span><br><span class="line">                    &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                        de = dictFind(server.db[pool[k].dbid].expires,</span><br><span class="line">                            pool[k].key);</span><br><span class="line">                    &#125;</span><br><span class="line"></span><br><span class="line">                    <span class="comment">/* Remove the entry from the pool. */</span></span><br><span class="line">                    <span class="keyword">if</span> (pool[k].key != pool[k].cached)</span><br><span class="line">                        sdsfree(pool[k].key);</span><br><span class="line">                    pool[k].key = <span class="literal">NULL</span>;</span><br><span class="line">                    pool[k].idle = <span class="number">0</span>;</span><br><span class="line"></span><br><span class="line">                    <span class="comment">/* If the key exists, is our pick. Otherwise it is</span></span><br><span class="line"><span class="comment">                     * a ghost and we need to try the next element. */</span></span><br><span class="line">                    <span class="keyword">if</span> (de) &#123;</span><br><span class="line">                        bestkey = dictGetKey(de);</span><br><span class="line">                        <span class="keyword">break</span>;</span><br><span class="line">                    &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                        <span class="comment">/* Ghost... Iterate again. */</span></span><br><span class="line">                    &#125;</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="comment">/* volatile-random and allkeys-random policy */</span></span><br><span class="line">        <span class="keyword">else</span> <span class="keyword">if</span> (server.maxmemory_policy == MAXMEMORY_ALLKEYS_RANDOM ||</span><br><span class="line">                 server.maxmemory_policy == MAXMEMORY_VOLATILE_RANDOM)</span><br><span class="line">        &#123;</span><br><span class="line">            <span class="comment">/* When evicting a random key, we try to evict a key for</span></span><br><span class="line"><span class="comment">             * each DB, so we use the static 'next_db' variable to</span></span><br><span class="line"><span class="comment">             * incrementally visit all DBs. */</span></span><br><span class="line">            <span class="keyword">for</span> (i = <span class="number">0</span>; i &lt; server.dbnum; i++) &#123;</span><br><span class="line">                j = (++next_db) % server.dbnum;</span><br><span class="line">                db = server.db+j;</span><br><span class="line">                dict = (server.maxmemory_policy == MAXMEMORY_ALLKEYS_RANDOM) ?</span><br><span class="line">                        db-&gt;dict : db-&gt;expires;</span><br><span class="line">                <span class="keyword">if</span> (dictSize(dict) != <span class="number">0</span>) &#123;</span><br><span class="line">                    de = dictGetRandomKey(dict);</span><br><span class="line">                    bestkey = dictGetKey(de);</span><br><span class="line">                    bestdbid = j;</span><br><span class="line">                    <span class="keyword">break</span>;</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="comment">/* Finally remove the selected key. */</span></span><br><span class="line">        <span class="keyword">if</span> (bestkey) &#123;</span><br><span class="line">            db = server.db+bestdbid;</span><br><span class="line">            robj *keyobj = createStringObject(bestkey,sdslen(bestkey));</span><br><span class="line">            propagateExpire(db,keyobj,server.lazyfree_lazy_eviction);</span><br><span class="line">            <span class="comment">/* We compute the amount of memory freed by db*Delete() alone.</span></span><br><span class="line"><span class="comment">             * It is possible that actually the memory needed to propagate</span></span><br><span class="line"><span class="comment">             * the DEL in AOF and replication link is greater than the one</span></span><br><span class="line"><span class="comment">             * we are freeing removing the key, but we can't account for</span></span><br><span class="line"><span class="comment">             * that otherwise we would never exit the loop.</span></span><br><span class="line"><span class="comment">             *</span></span><br><span class="line"><span class="comment">             * AOF and Output buffer memory will be freed eventually so</span></span><br><span class="line"><span class="comment">             * we only care about memory used by the key space. */</span></span><br><span class="line">            delta = (<span class="keyword">long</span> <span class="keyword">long</span>) zmalloc_used_memory();</span><br><span class="line">            latencyStartMonitor(eviction_latency);</span><br><span class="line">            <span class="keyword">if</span> (server.lazyfree_lazy_eviction)</span><br><span class="line">                dbAsyncDelete(db,keyobj);</span><br><span class="line">            <span class="keyword">else</span></span><br><span class="line">                dbSyncDelete(db,keyobj);</span><br><span class="line">            latencyEndMonitor(eviction_latency);</span><br><span class="line">            latencyAddSampleIfNeeded(<span class="string">"eviction-del"</span>,eviction_latency);</span><br><span class="line">            latencyRemoveNestedEvent(latency,eviction_latency);</span><br><span class="line">            delta -= (<span class="keyword">long</span> <span class="keyword">long</span>) zmalloc_used_memory();</span><br><span class="line">            mem_freed += delta;</span><br><span class="line">            server.stat_evictedkeys++;</span><br><span class="line">            notifyKeyspaceEvent(NOTIFY_EVICTED, <span class="string">"evicted"</span>,</span><br><span class="line">                keyobj, db-&gt;id);</span><br><span class="line">            decrRefCount(keyobj);</span><br><span class="line">            keys_freed++;</span><br><span class="line"></span><br><span class="line">            <span class="comment">/* When the memory to free starts to be big enough, we may</span></span><br><span class="line"><span class="comment">             * start spending so much time here that is impossible to</span></span><br><span class="line"><span class="comment">             * deliver data to the slaves fast enough, so we force the</span></span><br><span class="line"><span class="comment">             * transmission here inside the loop. */</span></span><br><span class="line">            <span class="keyword">if</span> (slaves) flushSlavesOutputBuffers();</span><br><span class="line"></span><br><span class="line">            <span class="comment">/* Normally our stop condition is the ability to release</span></span><br><span class="line"><span class="comment">             * a fixed, pre-computed amount of memory. However when we</span></span><br><span class="line"><span class="comment">             * are deleting objects in another thread, it's better to</span></span><br><span class="line"><span class="comment">             * check, from time to time, if we already reached our target</span></span><br><span class="line"><span class="comment">             * memory, since the "mem_freed" amount is computed only</span></span><br><span class="line"><span class="comment">             * across the dbAsyncDelete() call, while the thread can</span></span><br><span class="line"><span class="comment">             * release the memory all the time. */</span></span><br><span class="line">            <span class="keyword">if</span> (server.lazyfree_lazy_eviction &amp;&amp; !(keys_freed % <span class="number">16</span>)) &#123;</span><br><span class="line">                <span class="keyword">if</span> (getMaxmemoryState(<span class="literal">NULL</span>,<span class="literal">NULL</span>,<span class="literal">NULL</span>,<span class="literal">NULL</span>) == C_OK) &#123;</span><br><span class="line">                    <span class="comment">/* Let's satisfy our stop condition. */</span></span><br><span class="line">                    mem_freed = mem_tofree;</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">            latencyEndMonitor(latency);</span><br><span class="line">            latencyAddSampleIfNeeded(<span class="string">"eviction-cycle"</span>,latency);</span><br><span class="line">            <span class="keyword">goto</span> cant_free; <span class="comment">/* nothing to free... */</span></span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br><span class="line">    latencyEndMonitor(latency);</span><br><span class="line">    latencyAddSampleIfNeeded(<span class="string">"eviction-cycle"</span>,latency);</span><br><span class="line">    <span class="keyword">return</span> C_OK;</span><br><span class="line"></span><br><span class="line">cant_free:</span><br><span class="line">    <span class="comment">/* We are here if we are not able to reclaim memory. There is only one</span></span><br><span class="line"><span class="comment">     * last thing we can try: check if the lazyfree thread has jobs in queue</span></span><br><span class="line"><span class="comment">     * and wait... */</span></span><br><span class="line">    <span class="keyword">while</span>(bioPendingJobsOfType(BIO_LAZY_FREE)) &#123;</span><br><span class="line">        <span class="keyword">if</span> (((mem_reported - zmalloc_used_memory()) + mem_freed) &gt;= mem_tofree)</span><br><span class="line">            <span class="keyword">break</span>;</span><br><span class="line">        usleep(<span class="number">1000</span>);</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="keyword">return</span> C_ERR;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
-<p>这里就是根据具体策略去淘汰 key，首先是要往 pool 更新 key，更新key 的方法是<a href="https://github.com/antirez/redis/blob/unstable/src/evict.c#L162" target="_blank" rel="noopener"><code>evictionPoolPopulate</code></a></p>
-<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br><span class="line">92</span><br><span class="line">93</span><br><span class="line">94</span><br><span class="line">95</span><br><span class="line">96</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">void</span> <span class="title">evictionPoolPopulate</span><span class="params">(<span class="keyword">int</span> dbid, dict *sampledict, dict *keydict, struct evictionPoolEntry *pool)</span> </span>&#123;</span><br><span class="line">    <span class="keyword">int</span> j, k, count;</span><br><span class="line">    dictEntry *samples[server.maxmemory_samples];</span><br><span class="line"></span><br><span class="line">    count = dictGetSomeKeys(sampledict,samples,server.maxmemory_samples);</span><br><span class="line">    <span class="keyword">for</span> (j = <span class="number">0</span>; j &lt; count; j++) &#123;</span><br><span class="line">        <span class="keyword">unsigned</span> <span class="keyword">long</span> <span class="keyword">long</span> idle;</span><br><span class="line">        sds key;</span><br><span class="line">        robj *o;</span><br><span class="line">        dictEntry *de;</span><br><span class="line"></span><br><span class="line">        de = samples[j];</span><br><span class="line">        key = dictGetKey(de);</span><br><span class="line"></span><br><span class="line">        <span class="comment">/* If the dictionary we are sampling from is not the main</span></span><br><span class="line"><span class="comment">         * dictionary (but the expires one) we need to lookup the key</span></span><br><span class="line"><span class="comment">         * again in the key dictionary to obtain the value object. */</span></span><br><span class="line">        <span class="keyword">if</span> (server.maxmemory_policy != MAXMEMORY_VOLATILE_TTL) &#123;</span><br><span class="line">            <span class="keyword">if</span> (sampledict != keydict) de = dictFind(keydict, key);</span><br><span class="line">            o = dictGetVal(de);</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="comment">/* Calculate the idle time according to the policy. This is called</span></span><br><span class="line"><span class="comment">         * idle just because the code initially handled LRU, but is in fact</span></span><br><span class="line"><span class="comment">         * just a score where an higher score means better candidate. */</span></span><br><span class="line">        <span class="keyword">if</span> (server.maxmemory_policy &amp; MAXMEMORY_FLAG_LRU) &#123;</span><br><span class="line">            idle = estimateObjectIdleTime(o);</span><br><span class="line">        &#125; <span class="keyword">else</span> <span class="keyword">if</span> (server.maxmemory_policy &amp; MAXMEMORY_FLAG_LFU) &#123;</span><br><span class="line">            <span class="comment">/* When we use an LRU policy, we sort the keys by idle time</span></span><br><span class="line"><span class="comment">             * so that we expire keys starting from greater idle time.</span></span><br><span class="line"><span class="comment">             * However when the policy is an LFU one, we have a frequency</span></span><br><span class="line"><span class="comment">             * estimation, and we want to evict keys with lower frequency</span></span><br><span class="line"><span class="comment">             * first. So inside the pool we put objects using the inverted</span></span><br><span class="line"><span class="comment">             * frequency subtracting the actual frequency to the maximum</span></span><br><span class="line"><span class="comment">             * frequency of 255. */</span></span><br><span class="line">            idle = <span class="number">255</span>-LFUDecrAndReturn(o);</span><br><span class="line">        &#125; <span class="keyword">else</span> <span class="keyword">if</span> (server.maxmemory_policy == MAXMEMORY_VOLATILE_TTL) &#123;</span><br><span class="line">            <span class="comment">/* In this case the sooner the expire the better. */</span></span><br><span class="line">            idle = ULLONG_MAX - (<span class="keyword">long</span>)dictGetVal(de);</span><br><span class="line">        &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">            serverPanic(<span class="string">"Unknown eviction policy in evictionPoolPopulate()"</span>);</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="comment">/* Insert the element inside the pool.</span></span><br><span class="line"><span class="comment">         * First, find the first empty bucket or the first populated</span></span><br><span class="line"><span class="comment">         * bucket that has an idle time smaller than our idle time. */</span></span><br><span class="line">        k = <span class="number">0</span>;</span><br><span class="line">        <span class="keyword">while</span> (k &lt; EVPOOL_SIZE &amp;&amp;</span><br><span class="line">               pool[k].key &amp;&amp;</span><br><span class="line">               pool[k].idle &lt; idle) k++;</span><br><span class="line">        <span class="keyword">if</span> (k == <span class="number">0</span> &amp;&amp; pool[EVPOOL_SIZE<span class="number">-1</span>].key != <span class="literal">NULL</span>) &#123;</span><br><span class="line">            <span class="comment">/* Can't insert if the element is &lt; the worst element we have</span></span><br><span class="line"><span class="comment">             * and there are no empty buckets. */</span></span><br><span class="line">            <span class="keyword">continue</span>;</span><br><span class="line">        &#125; <span class="keyword">else</span> <span class="keyword">if</span> (k &lt; EVPOOL_SIZE &amp;&amp; pool[k].key == <span class="literal">NULL</span>) &#123;</span><br><span class="line">            <span class="comment">/* Inserting into empty position. No setup needed before insert. */</span></span><br><span class="line">        &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">            <span class="comment">/* Inserting in the middle. Now k points to the first element</span></span><br><span class="line"><span class="comment">             * greater than the element to insert.  */</span></span><br><span class="line">            <span class="keyword">if</span> (pool[EVPOOL_SIZE<span class="number">-1</span>].key == <span class="literal">NULL</span>) &#123;</span><br><span class="line">                <span class="comment">/* Free space on the right? Insert at k shifting</span></span><br><span class="line"><span class="comment">                 * all the elements from k to end to the right. */</span></span><br><span class="line"></span><br><span class="line">                <span class="comment">/* Save SDS before overwriting. */</span></span><br><span class="line">                sds cached = pool[EVPOOL_SIZE<span class="number">-1</span>].cached;</span><br><span class="line">                memmove(pool+k+<span class="number">1</span>,pool+k,</span><br><span class="line">                    <span class="keyword">sizeof</span>(pool[<span class="number">0</span>])*(EVPOOL_SIZE-k<span class="number">-1</span>));</span><br><span class="line">                pool[k].cached = cached;</span><br><span class="line">            &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                <span class="comment">/* No free space on right? Insert at k-1 */</span></span><br><span class="line">                k--;</span><br><span class="line">                <span class="comment">/* Shift all elements on the left of k (included) to the</span></span><br><span class="line"><span class="comment">                 * left, so we discard the element with smaller idle time. */</span></span><br><span class="line">                sds cached = pool[<span class="number">0</span>].cached; <span class="comment">/* Save SDS before overwriting. */</span></span><br><span class="line">                <span class="keyword">if</span> (pool[<span class="number">0</span>].key != pool[<span class="number">0</span>].cached) sdsfree(pool[<span class="number">0</span>].key);</span><br><span class="line">                memmove(pool,pool+<span class="number">1</span>,<span class="keyword">sizeof</span>(pool[<span class="number">0</span>])*k);</span><br><span class="line">                pool[k].cached = cached;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="comment">/* Try to reuse the cached SDS string allocated in the pool entry,</span></span><br><span class="line"><span class="comment">         * because allocating and deallocating this object is costly</span></span><br><span class="line"><span class="comment">         * (according to the profiler, not my fantasy. Remember:</span></span><br><span class="line"><span class="comment">         * premature optimizbla bla bla bla. */</span></span><br><span class="line">        <span class="keyword">int</span> klen = sdslen(key);</span><br><span class="line">        <span class="keyword">if</span> (klen &gt; EVPOOL_CACHED_SDS_SIZE) &#123;</span><br><span class="line">            pool[k].key = sdsdup(key);</span><br><span class="line">        &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">            <span class="built_in">memcpy</span>(pool[k].cached,key,klen+<span class="number">1</span>);</span><br><span class="line">            sdssetlen(pool[k].cached,klen);</span><br><span class="line">            pool[k].key = pool[k].cached;</span><br><span class="line">        &#125;</span><br><span class="line">        pool[k].idle = idle;</span><br><span class="line">        pool[k].dbid = dbid;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
-<p><code>Redis</code>随机选择<code>maxmemory_samples</code>数量的key，然后计算这些<code>key</code>的空闲时间<code>idle time</code>，当满足条件时(比pool中的某些键的空闲时间还大)就可以进<code>pool</code>。<code>pool</code>更新之后，就淘汰<code>pool</code>中空闲时间最大的键。</p>
-<p><a href="https://github.com/antirez/redis/blob/unstable/src/evict.c#L90" target="_blank" rel="noopener"><code>estimateObjectIdleTime</code></a>用来计算Redis对象的空闲时间：</p>
-<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/* Given an object returns the min number of milliseconds the object was never</span></span><br><span class="line"><span class="comment"> * requested, using an approximated LRU algorithm. */</span></span><br><span class="line"><span class="function"><span class="keyword">unsigned</span> <span class="keyword">long</span> <span class="keyword">long</span> <span class="title">estimateObjectIdleTime</span><span class="params">(robj *o)</span> </span>&#123;</span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> <span class="keyword">long</span> lruclock = LRU_CLOCK();</span><br><span class="line">    <span class="keyword">if</span> (lruclock &gt;= o-&gt;lru) &#123;</span><br><span class="line">        <span class="keyword">return</span> (lruclock - o-&gt;lru) * LRU_CLOCK_RESOLUTION;</span><br><span class="line">    &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">        <span class="keyword">return</span> (lruclock + (LRU_CLOCK_MAX - o-&gt;lru)) *</span><br><span class="line">                    LRU_CLOCK_RESOLUTION;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
-<p>空闲时间第一种是 lurclock 大于对象的 lru，那么就是减一下乘以精度，因为 lruclock 有可能是已经预生成的，所以会可能走下面这个</p>
-<h3 id="LFU"><a href="#LFU" class="headerlink" title="LFU"></a>LFU</h3><p>上面介绍了LRU 的算法，但是考虑一种场景</p>
-<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line">~~~~~A~~~~~A~~~~~A~~~~A~~~~~A~~~~~A~~|</span><br><span class="line">~~B~~B~~B~~B~~B~~B~~B~~B~~B~~B~~B~~B~|</span><br><span class="line">~~~~~~~~~~C~~~~~~~~~C~~~~~~~~~C~~~~~~|</span><br><span class="line">~~~~~D~~~~~~~~~~D~~~~~~~~~D~~~~~~~~~D|</span><br></pre></td></tr></table></figure>
-<p>可以发现，当采用 lru 的淘汰策略的时候，D 是最新的，会被认为是最值得保留的，但是事实上还不如 A 跟 B，然后 antirez 大神就想到了LFU (Least Frequently Used) 这个算法, 显然对于上面的四个 key 的访问频率，保留优先级应该是 B &gt; A &gt; C = D<br>那要怎么来实现这个 LFU 算法呢，其实像LRU，理想的情况就是维护个链表，把最新访问的放到头上去，但是这个会影响访问速度，注意到前面代码的应该可以看到，redisObject 的 lru 字段其实是两用的，当策略是 LFU 时，这个字段就另作他用了，它的 24 位长度被分成两部分</p>
-<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line">      16 bits      8 bits</span><br><span class="line">+----------------+--------+</span><br><span class="line">+ Last decr time | LOG_C  |</span><br><span class="line">+----------------+--------+</span><br></pre></td></tr></table></figure>
-<p>前16位字段是最后一次递减时间，因此Redis知道 上一次计数器递减，后8位是 计数器 counter。<br>LFU 的主体策略就是当这个 key 被访问的次数越多频率越高他就越容易被保留下来，并且是最近被访问的频率越高。这其实有两个事情要做，一个是在访问的时候增加计数值，在一定长时间不访问时进行衰减，所以这里用了两个值，前 16 位记录上一次衰减的时间，后 8 位记录具体的计数值。<br>Redis4.0之后为maxmemory_policy淘汰策略添加了两个LFU模式：</p>
-<p><code>volatile-lfu</code>：对有过期时间的key采用LFU淘汰策略<br><code>allkeys-lfu</code>：对全部key采用LFU淘汰策略<br>还有2个配置可以调整LFU算法：  </p>
-<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br></pre></td><td class="code"><pre><span class="line">lfu-log-factor 10</span><br><span class="line">lfu-decay-time 1</span><br><span class="line">&#96;&#96;&#96;  </span><br><span class="line">&#96;lfu-log-factor&#96; 可以调整计数器counter的增长速度，lfu-log-factor越大，counter增长的越慢。</span><br><span class="line"></span><br><span class="line">&#96;lfu-decay-time&#96;是一个以分钟为单位的数值，可以调整counter的减少速度</span><br><span class="line">这里有个问题是 8 位大小够计么，访问一次加 1 的话的确不够，不过大神就是大神，才不会这么简单的加一。往下看代码</span><br><span class="line">&#96;&#96;&#96;C</span><br><span class="line">&#x2F;* Low level key lookup API, not actually called directly from commands</span><br><span class="line"> * implementations that should instead rely on lookupKeyRead(),</span><br><span class="line"> * lookupKeyWrite() and lookupKeyReadWithFlags(). *&#x2F;</span><br><span class="line">robj *lookupKey(redisDb *db, robj *key, int flags) &#123;</span><br><span class="line">    dictEntry *de &#x3D; dictFind(db-&gt;dict,key-&gt;ptr);</span><br><span class="line">    if (de) &#123;</span><br><span class="line">        robj *val &#x3D; dictGetVal(de);</span><br><span class="line"></span><br><span class="line">        &#x2F;* Update the access time for the ageing algorithm.</span><br><span class="line">         * Don&#39;t do it if we have a saving child, as this will trigger</span><br><span class="line">         * a copy on write madness. *&#x2F;</span><br><span class="line">        if (!hasActiveChildProcess() &amp;&amp; !(flags &amp; LOOKUP_NOTOUCH))&#123;</span><br><span class="line">            if (server.maxmemory_policy &amp; MAXMEMORY_FLAG_LFU) &#123;</span><br><span class="line">                &#x2F;&#x2F; 当淘汰策略是 LFU 时，就会调用这个updateLFU</span><br><span class="line">                updateLFU(val);</span><br><span class="line">            &#125; else &#123;</span><br><span class="line">                val-&gt;lru &#x3D; LRU_CLOCK();</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line">        return val;</span><br><span class="line">    &#125; else &#123;</span><br><span class="line">        return NULL;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
-<p><a href="https://github.com/antirez/redis/blob/unstable/src/db.c#L46" target="_blank" rel="noopener"><code>updateLFU</code></a> 这个其实个入口，调用了两个重要的方法</p>
-<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/* Update LFU when an object is accessed.</span></span><br><span class="line"><span class="comment"> * Firstly, decrement the counter if the decrement time is reached.</span></span><br><span class="line"><span class="comment"> * Then logarithmically increment the counter, and update the access time. */</span></span><br><span class="line"><span class="function"><span class="keyword">void</span> <span class="title">updateLFU</span><span class="params">(robj *val)</span> </span>&#123;</span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> counter = LFUDecrAndReturn(val);</span><br><span class="line">    counter = LFULogIncr(counter);</span><br><span class="line">    val-&gt;lru = (LFUGetTimeInMinutes()&lt;&lt;<span class="number">8</span>) | counter;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
-<p>首先来看看<a href="https://github.com/antirez/redis/blob/unstable/src/evict.c#L335" target="_blank" rel="noopener"><code>LFUDecrAndReturn</code></a>，这个方法的作用是根据上一次衰减时间和系统配置的 <code>lfu-decay-time</code> 参数来确定需要将 counter 减去多少</p>
-<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/* If the object decrement time is reached decrement the LFU counter but</span></span><br><span class="line"><span class="comment"> * do not update LFU fields of the object, we update the access time</span></span><br><span class="line"><span class="comment"> * and counter in an explicit way when the object is really accessed.</span></span><br><span class="line"><span class="comment"> * And we will times halve the counter according to the times of</span></span><br><span class="line"><span class="comment"> * elapsed time than server.lfu_decay_time.</span></span><br><span class="line"><span class="comment"> * Return the object frequency counter.</span></span><br><span class="line"><span class="comment"> *</span></span><br><span class="line"><span class="comment"> * This function is used in order to scan the dataset for the best object</span></span><br><span class="line"><span class="comment"> * to fit: as we check for the candidate, we incrementally decrement the</span></span><br><span class="line"><span class="comment"> * counter of the scanned objects if needed. */</span></span><br><span class="line"><span class="function"><span class="keyword">unsigned</span> <span class="keyword">long</span> <span class="title">LFUDecrAndReturn</span><span class="params">(robj *o)</span> </span>&#123;</span><br><span class="line">    <span class="comment">// 右移 8 位，拿到上次衰减时间</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> ldt = o-&gt;lru &gt;&gt; <span class="number">8</span>;</span><br><span class="line">    <span class="comment">// 对 255 做与操作，拿到 counter 值</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> counter = o-&gt;lru &amp; <span class="number">255</span>;</span><br><span class="line">    <span class="comment">// 根据lfu_decay_time来算出过了多少个衰减周期</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> num_periods = server.lfu_decay_time ? LFUTimeElapsed(ldt) / server.lfu_decay_time : <span class="number">0</span>;</span><br><span class="line">    <span class="keyword">if</span> (num_periods)</span><br><span class="line">        counter = (num_periods &gt; counter) ? <span class="number">0</span> : counter - num_periods;</span><br><span class="line">    <span class="keyword">return</span> counter;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
-<p>然后是加，调用了<a href="https://github.com/antirez/redis/blob/unstable/src/evict.c#L315" target="_blank" rel="noopener"><code>LFULogIncr</code></a></p>
-<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/* Logarithmically increment a counter. The greater is the current counter value</span></span><br><span class="line"><span class="comment"> * the less likely is that it gets really implemented. Saturate it at 255. */</span></span><br><span class="line"><span class="function"><span class="keyword">uint8_t</span> <span class="title">LFULogIncr</span><span class="params">(<span class="keyword">uint8_t</span> counter)</span> </span>&#123;</span><br><span class="line">    <span class="comment">// 最大值就是 255，到顶了就不加了</span></span><br><span class="line">    <span class="keyword">if</span> (counter == <span class="number">255</span>) <span class="keyword">return</span> <span class="number">255</span>;</span><br><span class="line">    <span class="comment">// 生成个随机小数</span></span><br><span class="line">    <span class="keyword">double</span> r = (<span class="keyword">double</span>)rand()/RAND_MAX;</span><br><span class="line">    <span class="comment">// 减去个基础值，LFU_INIT_VAL = 5，防止刚进来就被逐出</span></span><br><span class="line">    <span class="keyword">double</span> baseval = counter - LFU_INIT_VAL;</span><br><span class="line">    <span class="comment">// 如果是小于 0，</span></span><br><span class="line">    <span class="keyword">if</span> (baseval &lt; <span class="number">0</span>) baseval = <span class="number">0</span>;</span><br><span class="line">    <span class="comment">// 如果 baseval 是 0，那么 p 就是 1了，后面 counter 直接加一，如果不是的话，得看系统参数lfu_log_factor，这个越大，除出来的 p 越小，那么 counter++的可能性也越小，这样子就把前面的疑问给解决了，不是直接+1 的</span></span><br><span class="line">    <span class="keyword">double</span> p = <span class="number">1.0</span>/(baseval*server.lfu_log_factor+<span class="number">1</span>);</span><br><span class="line">    <span class="keyword">if</span> (r &lt; p) counter++;</span><br><span class="line">    <span class="keyword">return</span> counter;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
-<p>大概的变化速度可以参考</p>
-<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line">+--------+------------+------------+------------+------------+------------+</span><br><span class="line">| factor | 100 hits   | 1000 hits  | 100K hits  | 1M hits    | 10M hits   |</span><br><span class="line">+--------+------------+------------+------------+------------+------------+</span><br><span class="line">| 0      | 104        | 255        | 255        | 255        | 255        |</span><br><span class="line">+--------+------------+------------+------------+------------+------------+</span><br><span class="line">| 1      | 18         | 49         | 255        | 255        | 255        |</span><br><span class="line">+--------+------------+------------+------------+------------+------------+</span><br><span class="line">| 10     | 10         | 18         | 142        | 255        | 255        |</span><br><span class="line">+--------+------------+------------+------------+------------+------------+</span><br><span class="line">| 100    | 8          | 11         | 49         | 143        | 255        |</span><br><span class="line">+--------+------------+------------+------------+------------+------------+</span><br></pre></td></tr></table></figure>
-<p>简而言之就是 lfu_log_factor 越大变化的越慢</p>
-<h3 id="总结"><a href="#总结" class="headerlink" title="总结"></a>总结</h3><p>总结一下，redis 实现了近似的 lru 淘汰策略，通过增加了淘汰 key 的池子(pool)，并且增大每次抽样的 key 的数量来将淘汰效果更进一步地接近于 lru，这是 lru 策略，但是对于前面举的一个例子，其实 lru 并不能保证 key 的淘汰就如我们预期，所以在后期又引入了 lfu 的策略，lfu的策略比较巧妙，复用了 redis 对象的 lru 字段，并且使用了factor 参数来控制计数器递增的速度，防止 8 位的计数器太早溢出。</p>
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+      
+          <h3 id="LRU"><a href="#LRU" class="headerlink" title="LRU"></a>LRU</h3><p>说完了过期策略再说下淘汰策略，redis 使用的策略是近似的 lru 策略，为什么是近似的呢，先来看下什么是 lru，看下 wiki 的介绍<br><img data-src="https://i.loli.net/2020/04/14/wWyhc2dQfb4BYsK.png" alt="">，图中一共有四个槽的存储空间，依次访问顺序是 A B C D E D F，<br>当第一次访问 D 时刚好占满了坑，并且值是 4，这个值越小代表越先被淘汰，当 E 进来时，看了下已经存在的四个里 A 是最小的，代表是最早存在并且最早被访问的，那就先淘汰它了，E 占领了 A 的位置，并设置值为 4，然后又访问 D 了，D 已经存在了，不过又被访问到了，得更新值为 5，然后是 F 进来了，这时 B 是最老的且最近未被访问，所以就淘汰它了。以上是一个 lru 的简要说明，但是 redis 没有严格按照这个去执行，理由跟前面过期策略一致，最严格的过期策略应该是每个 key 都有对应的定时器，当超时时马上就能清除，但是问题是这样的cpu 消耗太大，所换来的内存效率不太值得，淘汰策略也是这样，类似于上图，要维护所有 key 的一个有序 lru 值，并且遍历将最小的淘汰，redis 采用的是抽样的形式，最初的实现方式是随机从 dict 抽取 5 个 key，淘汰一个 lru 最小的，这样子勉强能达到淘汰的目的，但是效果不是特别好，后面在 redis 3.0开始，将随机抽取改成了维护一个 pool，pool 的大小默认是 16，每次放入的都是按lru 值有序排列好，每一次放入的必须是 lru小于 pool 中最小的 lru 才允许放入，直到放满，后面再有新的就会将大的踢出。<br>redis 针对这个策略的改进做了一个实验，这里借用下图<br><img data-src="https://i.loli.net/2020/04/18/QwcROpB345ezEkX.png" alt=""><br>首先背景是这图中的所有点都对应一个 redis 的 key，灰色部分加入后被顺序访问过一遍，然后又加入了绿色部分，那么按照理论的 lru 算法，应该是图左上中，浅灰色部分全都被淘汰，那么对比来看看图右上，左下和右下，左下表示 2.8 版本就是随机抽样 5 个 key，淘汰其中 lru 最小的一个，发现是灰色和浅灰色的都有被淘汰的，右下的 3.0 版本抽样数量不变的情况下，稍好一些，当 3.0 版本的抽样数量调整成 10 后，已经较为接近理论上的 lru 策略了，通过代码来简要分析下</p>
+<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">redisObject</span> &#123;</span></span><br><span class="line">    <span class="keyword">unsigned</span> type:<span class="number">4</span>;</span><br><span class="line">    <span class="keyword">unsigned</span> encoding:<span class="number">4</span>;</span><br><span class="line">    <span class="keyword">unsigned</span> lru:LRU_BITS; <span class="comment">/* LRU time (relative to global lru_clock) or</span></span><br><span class="line"><span class="comment">                            * LFU data (least significant 8 bits frequency</span></span><br><span class="line"><span class="comment">                            * and most significant 16 bits access time). */</span></span><br><span class="line">    <span class="keyword">int</span> refcount;</span><br><span class="line">    <span class="keyword">void</span> *ptr;</span><br><span class="line">&#125; robj;</span><br></pre></td></tr></table></figure>
+<p>对于 lru 策略来说，lru 字段记录的就是<a href="https://github.com/antirez/redis/blob/unstable/src/server.h#L603" target="_blank" rel="noopener"><code>redisObj</code></a> 的LRU time，<br>redis 在访问数据时，都会调用<a href="https://github.com/antirez/redis/blob/unstable/src/db.c#L55" target="_blank" rel="noopener"><code>lookupKey</code></a>方法</p>
+<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/* Low level key lookup API, not actually called directly from commands</span></span><br><span class="line"><span class="comment"> * implementations that should instead rely on lookupKeyRead(),</span></span><br><span class="line"><span class="comment"> * lookupKeyWrite() and lookupKeyReadWithFlags(). */</span></span><br><span class="line"><span class="function">robj *<span class="title">lookupKey</span><span class="params">(redisDb *db, robj *key, <span class="keyword">int</span> flags)</span> </span>&#123;</span><br><span class="line">    dictEntry *de = dictFind(db-&gt;dict,key-&gt;ptr);</span><br><span class="line">    <span class="keyword">if</span> (de) &#123;</span><br><span class="line">        robj *val = dictGetVal(de);</span><br><span class="line"></span><br><span class="line">        <span class="comment">/* Update the access time for the ageing algorithm.</span></span><br><span class="line"><span class="comment">         * Don't do it if we have a saving child, as this will trigger</span></span><br><span class="line"><span class="comment">         * a copy on write madness. */</span></span><br><span class="line">        <span class="keyword">if</span> (!hasActiveChildProcess() &amp;&amp; !(flags &amp; LOOKUP_NOTOUCH))&#123;</span><br><span class="line">            <span class="keyword">if</span> (server.maxmemory_policy &amp; MAXMEMORY_FLAG_LFU) &#123;</span><br><span class="line">                <span class="comment">// 这个是后面一节的内容</span></span><br><span class="line">                updateLFU(val);</span><br><span class="line">            &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                <span class="comment">//  对于这个分支，访问时就会去更新 lru 值</span></span><br><span class="line">                val-&gt;lru = LRU_CLOCK();</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">return</span> val;</span><br><span class="line">    &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">        <span class="keyword">return</span> <span class="literal">NULL</span>;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br><span class="line"><span class="comment">/* This function is used to obtain the current LRU clock.</span></span><br><span class="line"><span class="comment"> * If the current resolution is lower than the frequency we refresh the</span></span><br><span class="line"><span class="comment"> * LRU clock (as it should be in production servers) we return the</span></span><br><span class="line"><span class="comment"> * precomputed value, otherwise we need to resort to a system call. */</span></span><br><span class="line"><span class="function"><span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="title">LRU_CLOCK</span><span class="params">(<span class="keyword">void</span>)</span> </span>&#123;</span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> lruclock;</span><br><span class="line">    <span class="keyword">if</span> (<span class="number">1000</span>/server.hz &lt;= LRU_CLOCK_RESOLUTION) &#123;</span><br><span class="line">        <span class="comment">// 如果服务器的频率server.hz大于 1 时就是用系统预设的 lruclock</span></span><br><span class="line">        lruclock = server.lruclock;</span><br><span class="line">    &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">        lruclock = getLRUClock();</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="keyword">return</span> lruclock;</span><br><span class="line">&#125;</span><br><span class="line"><span class="comment">/* Return the LRU clock, based on the clock resolution. This is a time</span></span><br><span class="line"><span class="comment"> * in a reduced-bits format that can be used to set and check the</span></span><br><span class="line"><span class="comment"> * object-&gt;lru field of redisObject structures. */</span></span><br><span class="line"><span class="function"><span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="title">getLRUClock</span><span class="params">(<span class="keyword">void</span>)</span> </span>&#123;</span><br><span class="line">    <span class="keyword">return</span> (mstime()/LRU_CLOCK_RESOLUTION) &amp; LRU_CLOCK_MAX;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+<p>redis 处理命令是在这里<a href="https://github.com/antirez/redis/blob/unstable/src/server.c#L3355" target="_blank" rel="noopener"><code>processCommand</code></a></p>
+<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/* If this function gets called we already read a whole</span></span><br><span class="line"><span class="comment"> * command, arguments are in the client argv/argc fields.</span></span><br><span class="line"><span class="comment"> * processCommand() execute the command or prepare the</span></span><br><span class="line"><span class="comment"> * server for a bulk read from the client.</span></span><br><span class="line"><span class="comment"> *</span></span><br><span class="line"><span class="comment"> * If C_OK is returned the client is still alive and valid and</span></span><br><span class="line"><span class="comment"> * other operations can be performed by the caller. Otherwise</span></span><br><span class="line"><span class="comment"> * if C_ERR is returned the client was destroyed (i.e. after QUIT). */</span></span><br><span class="line"><span class="function"><span class="keyword">int</span> <span class="title">processCommand</span><span class="params">(client *c)</span> </span>&#123;</span><br><span class="line">    moduleCallCommandFilters(c);</span><br><span class="line"></span><br><span class="line">    </span><br><span class="line"></span><br><span class="line">    <span class="comment">/* Handle the maxmemory directive.</span></span><br><span class="line"><span class="comment">     *</span></span><br><span class="line"><span class="comment">     * Note that we do not want to reclaim memory if we are here re-entering</span></span><br><span class="line"><span class="comment">     * the event loop since there is a busy Lua script running in timeout</span></span><br><span class="line"><span class="comment">     * condition, to avoid mixing the propagation of scripts with the</span></span><br><span class="line"><span class="comment">     * propagation of DELs due to eviction. */</span></span><br><span class="line">    <span class="keyword">if</span> (server.maxmemory &amp;&amp; !server.lua_timedout) &#123;</span><br><span class="line">        <span class="keyword">int</span> out_of_memory = freeMemoryIfNeededAndSafe() == C_ERR;</span><br><span class="line">        <span class="comment">/* freeMemoryIfNeeded may flush slave output buffers. This may result</span></span><br><span class="line"><span class="comment">         * into a slave, that may be the active client, to be freed. */</span></span><br><span class="line">        <span class="keyword">if</span> (server.current_client == <span class="literal">NULL</span>) <span class="keyword">return</span> C_ERR;</span><br><span class="line"></span><br><span class="line">        <span class="comment">/* It was impossible to free enough memory, and the command the client</span></span><br><span class="line"><span class="comment">         * is trying to execute is denied during OOM conditions or the client</span></span><br><span class="line"><span class="comment">         * is in MULTI/EXEC context? Error. */</span></span><br><span class="line">        <span class="keyword">if</span> (out_of_memory &amp;&amp;</span><br><span class="line">            (c-&gt;cmd-&gt;flags &amp; CMD_DENYOOM ||</span><br><span class="line">             (c-&gt;flags &amp; CLIENT_MULTI &amp;&amp;</span><br><span class="line">              c-&gt;cmd-&gt;proc != execCommand &amp;&amp;</span><br><span class="line">              c-&gt;cmd-&gt;proc != discardCommand)))</span><br><span class="line">        &#123;</span><br><span class="line">            flagTransaction(c);</span><br><span class="line">            addReply(c, shared.oomerr);</span><br><span class="line">            <span class="keyword">return</span> C_OK;</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+<p>这里只摘了部分，当需要清理内存时就会调用, 然后调用了<a href="https://github.com/antirez/redis/blob/unstable/src/evict.c#L631" target="_blank" rel="noopener"><code>freeMemoryIfNeededAndSafe</code></a></p>
+<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br><span class="line">92</span><br><span class="line">93</span><br><span class="line">94</span><br><span class="line">95</span><br><span class="line">96</span><br><span class="line">97</span><br><span class="line">98</span><br><span class="line">99</span><br><span class="line">100</span><br><span class="line">101</span><br><span class="line">102</span><br><span class="line">103</span><br><span class="line">104</span><br><span class="line">105</span><br><span class="line">106</span><br><span class="line">107</span><br><span class="line">108</span><br><span class="line">109</span><br><span class="line">110</span><br><span class="line">111</span><br><span class="line">112</span><br><span class="line">113</span><br><span class="line">114</span><br><span class="line">115</span><br><span class="line">116</span><br><span class="line">117</span><br><span class="line">118</span><br><span class="line">119</span><br><span class="line">120</span><br><span class="line">121</span><br><span class="line">122</span><br><span class="line">123</span><br><span class="line">124</span><br><span class="line">125</span><br><span class="line">126</span><br><span class="line">127</span><br><span class="line">128</span><br><span class="line">129</span><br><span class="line">130</span><br><span class="line">131</span><br><span class="line">132</span><br><span class="line">133</span><br><span class="line">134</span><br><span class="line">135</span><br><span class="line">136</span><br><span class="line">137</span><br><span class="line">138</span><br><span class="line">139</span><br><span class="line">140</span><br><span class="line">141</span><br><span class="line">142</span><br><span class="line">143</span><br><span class="line">144</span><br><span class="line">145</span><br><span class="line">146</span><br><span class="line">147</span><br><span class="line">148</span><br><span class="line">149</span><br><span class="line">150</span><br><span class="line">151</span><br><span class="line">152</span><br><span class="line">153</span><br><span class="line">154</span><br><span class="line">155</span><br><span class="line">156</span><br><span class="line">157</span><br><span class="line">158</span><br><span class="line">159</span><br><span class="line">160</span><br><span class="line">161</span><br><span class="line">162</span><br><span class="line">163</span><br><span class="line">164</span><br><span class="line">165</span><br><span class="line">166</span><br><span class="line">167</span><br><span class="line">168</span><br><span class="line">169</span><br><span class="line">170</span><br><span class="line">171</span><br><span class="line">172</span><br><span class="line">173</span><br><span class="line">174</span><br><span class="line">175</span><br><span class="line">176</span><br><span class="line">177</span><br><span class="line">178</span><br><span class="line">179</span><br><span class="line">180</span><br><span class="line">181</span><br><span class="line">182</span><br><span class="line">183</span><br><span class="line">184</span><br><span class="line">185</span><br><span class="line">186</span><br><span class="line">187</span><br><span class="line">188</span><br><span class="line">189</span><br><span class="line">190</span><br><span class="line">191</span><br><span class="line">192</span><br><span class="line">193</span><br><span class="line">194</span><br><span class="line">195</span><br><span class="line">196</span><br><span class="line">197</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/* This is a wrapper for freeMemoryIfNeeded() that only really calls the</span></span><br><span class="line"><span class="comment"> * function if right now there are the conditions to do so safely:</span></span><br><span class="line"><span class="comment"> *</span></span><br><span class="line"><span class="comment"> * - There must be no script in timeout condition.</span></span><br><span class="line"><span class="comment"> * - Nor we are loading data right now.</span></span><br><span class="line"><span class="comment"> *</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"><span class="function"><span class="keyword">int</span> <span class="title">freeMemoryIfNeededAndSafe</span><span class="params">(<span class="keyword">void</span>)</span> </span>&#123;</span><br><span class="line">    <span class="keyword">if</span> (server.lua_timedout || server.loading) <span class="keyword">return</span> C_OK;</span><br><span class="line">    <span class="keyword">return</span> freeMemoryIfNeeded();</span><br><span class="line">&#125;</span><br><span class="line"><span class="comment">/* This function is periodically called to see if there is memory to free</span></span><br><span class="line"><span class="comment"> * according to the current "maxmemory" settings. In case we are over the</span></span><br><span class="line"><span class="comment"> * memory limit, the function will try to free some memory to return back</span></span><br><span class="line"><span class="comment"> * under the limit.</span></span><br><span class="line"><span class="comment"> *</span></span><br><span class="line"><span class="comment"> * The function returns C_OK if we are under the memory limit or if we</span></span><br><span class="line"><span class="comment"> * were over the limit, but the attempt to free memory was successful.</span></span><br><span class="line"><span class="comment"> * Otehrwise if we are over the memory limit, but not enough memory</span></span><br><span class="line"><span class="comment"> * was freed to return back under the limit, the function returns C_ERR. */</span></span><br><span class="line"><span class="function"><span class="keyword">int</span> <span class="title">freeMemoryIfNeeded</span><span class="params">(<span class="keyword">void</span>)</span> </span>&#123;</span><br><span class="line">    <span class="keyword">int</span> keys_freed = <span class="number">0</span>;</span><br><span class="line">    <span class="comment">/* By default replicas should ignore maxmemory</span></span><br><span class="line"><span class="comment">     * and just be masters exact copies. */</span></span><br><span class="line">    <span class="keyword">if</span> (server.masterhost &amp;&amp; server.repl_slave_ignore_maxmemory) <span class="keyword">return</span> C_OK;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">size_t</span> mem_reported, mem_tofree, mem_freed;</span><br><span class="line">    <span class="keyword">mstime_t</span> latency, eviction_latency;</span><br><span class="line">    <span class="keyword">long</span> <span class="keyword">long</span> delta;</span><br><span class="line">    <span class="keyword">int</span> slaves = listLength(server.slaves);</span><br><span class="line"></span><br><span class="line">    <span class="comment">/* When clients are paused the dataset should be static not just from the</span></span><br><span class="line"><span class="comment">     * POV of clients not being able to write, but also from the POV of</span></span><br><span class="line"><span class="comment">     * expires and evictions of keys not being performed. */</span></span><br><span class="line">    <span class="keyword">if</span> (clientsArePaused()) <span class="keyword">return</span> C_OK;</span><br><span class="line">    <span class="keyword">if</span> (getMaxmemoryState(&amp;mem_reported,<span class="literal">NULL</span>,&amp;mem_tofree,<span class="literal">NULL</span>) == C_OK)</span><br><span class="line">        <span class="keyword">return</span> C_OK;</span><br><span class="line"></span><br><span class="line">    mem_freed = <span class="number">0</span>;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">if</span> (server.maxmemory_policy == MAXMEMORY_NO_EVICTION)</span><br><span class="line">        <span class="keyword">goto</span> cant_free; <span class="comment">/* We need to free memory, but policy forbids. */</span></span><br><span class="line"></span><br><span class="line">    latencyStartMonitor(latency);</span><br><span class="line">    <span class="keyword">while</span> (mem_freed &lt; mem_tofree) &#123;</span><br><span class="line">        <span class="keyword">int</span> j, k, i;</span><br><span class="line">        <span class="keyword">static</span> <span class="keyword">unsigned</span> <span class="keyword">int</span> next_db = <span class="number">0</span>;</span><br><span class="line">        sds bestkey = <span class="literal">NULL</span>;</span><br><span class="line">        <span class="keyword">int</span> bestdbid;</span><br><span class="line">        redisDb *db;</span><br><span class="line">        dict *dict;</span><br><span class="line">        dictEntry *de;</span><br><span class="line"></span><br><span class="line">        <span class="keyword">if</span> (server.maxmemory_policy &amp; (MAXMEMORY_FLAG_LRU|MAXMEMORY_FLAG_LFU) ||</span><br><span class="line">            server.maxmemory_policy == MAXMEMORY_VOLATILE_TTL)</span><br><span class="line">        &#123;</span><br><span class="line">            <span class="class"><span class="keyword">struct</span> <span class="title">evictionPoolEntry</span> *<span class="title">pool</span> = <span class="title">EvictionPoolLRU</span>;</span></span><br><span class="line"></span><br><span class="line">            <span class="keyword">while</span>(bestkey == <span class="literal">NULL</span>) &#123;</span><br><span class="line">                <span class="keyword">unsigned</span> <span class="keyword">long</span> total_keys = <span class="number">0</span>, keys;</span><br><span class="line"></span><br><span class="line">                <span class="comment">/* We don't want to make local-db choices when expiring keys,</span></span><br><span class="line"><span class="comment">                 * so to start populate the eviction pool sampling keys from</span></span><br><span class="line"><span class="comment">                 * every DB. */</span></span><br><span class="line">                <span class="keyword">for</span> (i = <span class="number">0</span>; i &lt; server.dbnum; i++) &#123;</span><br><span class="line">                    db = server.db+i;</span><br><span class="line">                    dict = (server.maxmemory_policy &amp; MAXMEMORY_FLAG_ALLKEYS) ?</span><br><span class="line">                            db-&gt;dict : db-&gt;expires;</span><br><span class="line">                    <span class="keyword">if</span> ((keys = dictSize(dict)) != <span class="number">0</span>) &#123;</span><br><span class="line">                        evictionPoolPopulate(i, dict, db-&gt;dict, pool);</span><br><span class="line">                        total_keys += keys;</span><br><span class="line">                    &#125;</span><br><span class="line">                &#125;</span><br><span class="line">                <span class="keyword">if</span> (!total_keys) <span class="keyword">break</span>; <span class="comment">/* No keys to evict. */</span></span><br><span class="line"></span><br><span class="line">                <span class="comment">/* Go backward from best to worst element to evict. */</span></span><br><span class="line">                <span class="keyword">for</span> (k = EVPOOL_SIZE<span class="number">-1</span>; k &gt;= <span class="number">0</span>; k--) &#123;</span><br><span class="line">                    <span class="keyword">if</span> (pool[k].key == <span class="literal">NULL</span>) <span class="keyword">continue</span>;</span><br><span class="line">                    bestdbid = pool[k].dbid;</span><br><span class="line"></span><br><span class="line">                    <span class="keyword">if</span> (server.maxmemory_policy &amp; MAXMEMORY_FLAG_ALLKEYS) &#123;</span><br><span class="line">                        de = dictFind(server.db[pool[k].dbid].dict,</span><br><span class="line">                            pool[k].key);</span><br><span class="line">                    &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                        de = dictFind(server.db[pool[k].dbid].expires,</span><br><span class="line">                            pool[k].key);</span><br><span class="line">                    &#125;</span><br><span class="line"></span><br><span class="line">                    <span class="comment">/* Remove the entry from the pool. */</span></span><br><span class="line">                    <span class="keyword">if</span> (pool[k].key != pool[k].cached)</span><br><span class="line">                        sdsfree(pool[k].key);</span><br><span class="line">                    pool[k].key = <span class="literal">NULL</span>;</span><br><span class="line">                    pool[k].idle = <span class="number">0</span>;</span><br><span class="line"></span><br><span class="line">                    <span class="comment">/* If the key exists, is our pick. Otherwise it is</span></span><br><span class="line"><span class="comment">                     * a ghost and we need to try the next element. */</span></span><br><span class="line">                    <span class="keyword">if</span> (de) &#123;</span><br><span class="line">                        bestkey = dictGetKey(de);</span><br><span class="line">                        <span class="keyword">break</span>;</span><br><span class="line">                    &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                        <span class="comment">/* Ghost... Iterate again. */</span></span><br><span class="line">                    &#125;</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="comment">/* volatile-random and allkeys-random policy */</span></span><br><span class="line">        <span class="keyword">else</span> <span class="keyword">if</span> (server.maxmemory_policy == MAXMEMORY_ALLKEYS_RANDOM ||</span><br><span class="line">                 server.maxmemory_policy == MAXMEMORY_VOLATILE_RANDOM)</span><br><span class="line">        &#123;</span><br><span class="line">            <span class="comment">/* When evicting a random key, we try to evict a key for</span></span><br><span class="line"><span class="comment">             * each DB, so we use the static 'next_db' variable to</span></span><br><span class="line"><span class="comment">             * incrementally visit all DBs. */</span></span><br><span class="line">            <span class="keyword">for</span> (i = <span class="number">0</span>; i &lt; server.dbnum; i++) &#123;</span><br><span class="line">                j = (++next_db) % server.dbnum;</span><br><span class="line">                db = server.db+j;</span><br><span class="line">                dict = (server.maxmemory_policy == MAXMEMORY_ALLKEYS_RANDOM) ?</span><br><span class="line">                        db-&gt;dict : db-&gt;expires;</span><br><span class="line">                <span class="keyword">if</span> (dictSize(dict) != <span class="number">0</span>) &#123;</span><br><span class="line">                    de = dictGetRandomKey(dict);</span><br><span class="line">                    bestkey = dictGetKey(de);</span><br><span class="line">                    bestdbid = j;</span><br><span class="line">                    <span class="keyword">break</span>;</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="comment">/* Finally remove the selected key. */</span></span><br><span class="line">        <span class="keyword">if</span> (bestkey) &#123;</span><br><span class="line">            db = server.db+bestdbid;</span><br><span class="line">            robj *keyobj = createStringObject(bestkey,sdslen(bestkey));</span><br><span class="line">            propagateExpire(db,keyobj,server.lazyfree_lazy_eviction);</span><br><span class="line">            <span class="comment">/* We compute the amount of memory freed by db*Delete() alone.</span></span><br><span class="line"><span class="comment">             * It is possible that actually the memory needed to propagate</span></span><br><span class="line"><span class="comment">             * the DEL in AOF and replication link is greater than the one</span></span><br><span class="line"><span class="comment">             * we are freeing removing the key, but we can't account for</span></span><br><span class="line"><span class="comment">             * that otherwise we would never exit the loop.</span></span><br><span class="line"><span class="comment">             *</span></span><br><span class="line"><span class="comment">             * AOF and Output buffer memory will be freed eventually so</span></span><br><span class="line"><span class="comment">             * we only care about memory used by the key space. */</span></span><br><span class="line">            delta = (<span class="keyword">long</span> <span class="keyword">long</span>) zmalloc_used_memory();</span><br><span class="line">            latencyStartMonitor(eviction_latency);</span><br><span class="line">            <span class="keyword">if</span> (server.lazyfree_lazy_eviction)</span><br><span class="line">                dbAsyncDelete(db,keyobj);</span><br><span class="line">            <span class="keyword">else</span></span><br><span class="line">                dbSyncDelete(db,keyobj);</span><br><span class="line">            latencyEndMonitor(eviction_latency);</span><br><span class="line">            latencyAddSampleIfNeeded(<span class="string">"eviction-del"</span>,eviction_latency);</span><br><span class="line">            latencyRemoveNestedEvent(latency,eviction_latency);</span><br><span class="line">            delta -= (<span class="keyword">long</span> <span class="keyword">long</span>) zmalloc_used_memory();</span><br><span class="line">            mem_freed += delta;</span><br><span class="line">            server.stat_evictedkeys++;</span><br><span class="line">            notifyKeyspaceEvent(NOTIFY_EVICTED, <span class="string">"evicted"</span>,</span><br><span class="line">                keyobj, db-&gt;id);</span><br><span class="line">            decrRefCount(keyobj);</span><br><span class="line">            keys_freed++;</span><br><span class="line"></span><br><span class="line">            <span class="comment">/* When the memory to free starts to be big enough, we may</span></span><br><span class="line"><span class="comment">             * start spending so much time here that is impossible to</span></span><br><span class="line"><span class="comment">             * deliver data to the slaves fast enough, so we force the</span></span><br><span class="line"><span class="comment">             * transmission here inside the loop. */</span></span><br><span class="line">            <span class="keyword">if</span> (slaves) flushSlavesOutputBuffers();</span><br><span class="line"></span><br><span class="line">            <span class="comment">/* Normally our stop condition is the ability to release</span></span><br><span class="line"><span class="comment">             * a fixed, pre-computed amount of memory. However when we</span></span><br><span class="line"><span class="comment">             * are deleting objects in another thread, it's better to</span></span><br><span class="line"><span class="comment">             * check, from time to time, if we already reached our target</span></span><br><span class="line"><span class="comment">             * memory, since the "mem_freed" amount is computed only</span></span><br><span class="line"><span class="comment">             * across the dbAsyncDelete() call, while the thread can</span></span><br><span class="line"><span class="comment">             * release the memory all the time. */</span></span><br><span class="line">            <span class="keyword">if</span> (server.lazyfree_lazy_eviction &amp;&amp; !(keys_freed % <span class="number">16</span>)) &#123;</span><br><span class="line">                <span class="keyword">if</span> (getMaxmemoryState(<span class="literal">NULL</span>,<span class="literal">NULL</span>,<span class="literal">NULL</span>,<span class="literal">NULL</span>) == C_OK) &#123;</span><br><span class="line">                    <span class="comment">/* Let's satisfy our stop condition. */</span></span><br><span class="line">                    mem_freed = mem_tofree;</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">            latencyEndMonitor(latency);</span><br><span class="line">            latencyAddSampleIfNeeded(<span class="string">"eviction-cycle"</span>,latency);</span><br><span class="line">            <span class="keyword">goto</span> cant_free; <span class="comment">/* nothing to free... */</span></span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br><span class="line">    latencyEndMonitor(latency);</span><br><span class="line">    latencyAddSampleIfNeeded(<span class="string">"eviction-cycle"</span>,latency);</span><br><span class="line">    <span class="keyword">return</span> C_OK;</span><br><span class="line"></span><br><span class="line">cant_free:</span><br><span class="line">    <span class="comment">/* We are here if we are not able to reclaim memory. There is only one</span></span><br><span class="line"><span class="comment">     * last thing we can try: check if the lazyfree thread has jobs in queue</span></span><br><span class="line"><span class="comment">     * and wait... */</span></span><br><span class="line">    <span class="keyword">while</span>(bioPendingJobsOfType(BIO_LAZY_FREE)) &#123;</span><br><span class="line">        <span class="keyword">if</span> (((mem_reported - zmalloc_used_memory()) + mem_freed) &gt;= mem_tofree)</span><br><span class="line">            <span class="keyword">break</span>;</span><br><span class="line">        usleep(<span class="number">1000</span>);</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="keyword">return</span> C_ERR;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+<p>这里就是根据具体策略去淘汰 key，首先是要往 pool 更新 key，更新key 的方法是<a href="https://github.com/antirez/redis/blob/unstable/src/evict.c#L162" target="_blank" rel="noopener"><code>evictionPoolPopulate</code></a></p>
+<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br><span class="line">92</span><br><span class="line">93</span><br><span class="line">94</span><br><span class="line">95</span><br><span class="line">96</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="keyword">void</span> <span class="title">evictionPoolPopulate</span><span class="params">(<span class="keyword">int</span> dbid, dict *sampledict, dict *keydict, struct evictionPoolEntry *pool)</span> </span>&#123;</span><br><span class="line">    <span class="keyword">int</span> j, k, count;</span><br><span class="line">    dictEntry *samples[server.maxmemory_samples];</span><br><span class="line"></span><br><span class="line">    count = dictGetSomeKeys(sampledict,samples,server.maxmemory_samples);</span><br><span class="line">    <span class="keyword">for</span> (j = <span class="number">0</span>; j &lt; count; j++) &#123;</span><br><span class="line">        <span class="keyword">unsigned</span> <span class="keyword">long</span> <span class="keyword">long</span> idle;</span><br><span class="line">        sds key;</span><br><span class="line">        robj *o;</span><br><span class="line">        dictEntry *de;</span><br><span class="line"></span><br><span class="line">        de = samples[j];</span><br><span class="line">        key = dictGetKey(de);</span><br><span class="line"></span><br><span class="line">        <span class="comment">/* If the dictionary we are sampling from is not the main</span></span><br><span class="line"><span class="comment">         * dictionary (but the expires one) we need to lookup the key</span></span><br><span class="line"><span class="comment">         * again in the key dictionary to obtain the value object. */</span></span><br><span class="line">        <span class="keyword">if</span> (server.maxmemory_policy != MAXMEMORY_VOLATILE_TTL) &#123;</span><br><span class="line">            <span class="keyword">if</span> (sampledict != keydict) de = dictFind(keydict, key);</span><br><span class="line">            o = dictGetVal(de);</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="comment">/* Calculate the idle time according to the policy. This is called</span></span><br><span class="line"><span class="comment">         * idle just because the code initially handled LRU, but is in fact</span></span><br><span class="line"><span class="comment">         * just a score where an higher score means better candidate. */</span></span><br><span class="line">        <span class="keyword">if</span> (server.maxmemory_policy &amp; MAXMEMORY_FLAG_LRU) &#123;</span><br><span class="line">            idle = estimateObjectIdleTime(o);</span><br><span class="line">        &#125; <span class="keyword">else</span> <span class="keyword">if</span> (server.maxmemory_policy &amp; MAXMEMORY_FLAG_LFU) &#123;</span><br><span class="line">            <span class="comment">/* When we use an LRU policy, we sort the keys by idle time</span></span><br><span class="line"><span class="comment">             * so that we expire keys starting from greater idle time.</span></span><br><span class="line"><span class="comment">             * However when the policy is an LFU one, we have a frequency</span></span><br><span class="line"><span class="comment">             * estimation, and we want to evict keys with lower frequency</span></span><br><span class="line"><span class="comment">             * first. So inside the pool we put objects using the inverted</span></span><br><span class="line"><span class="comment">             * frequency subtracting the actual frequency to the maximum</span></span><br><span class="line"><span class="comment">             * frequency of 255. */</span></span><br><span class="line">            idle = <span class="number">255</span>-LFUDecrAndReturn(o);</span><br><span class="line">        &#125; <span class="keyword">else</span> <span class="keyword">if</span> (server.maxmemory_policy == MAXMEMORY_VOLATILE_TTL) &#123;</span><br><span class="line">            <span class="comment">/* In this case the sooner the expire the better. */</span></span><br><span class="line">            idle = ULLONG_MAX - (<span class="keyword">long</span>)dictGetVal(de);</span><br><span class="line">        &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">            serverPanic(<span class="string">"Unknown eviction policy in evictionPoolPopulate()"</span>);</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="comment">/* Insert the element inside the pool.</span></span><br><span class="line"><span class="comment">         * First, find the first empty bucket or the first populated</span></span><br><span class="line"><span class="comment">         * bucket that has an idle time smaller than our idle time. */</span></span><br><span class="line">        k = <span class="number">0</span>;</span><br><span class="line">        <span class="keyword">while</span> (k &lt; EVPOOL_SIZE &amp;&amp;</span><br><span class="line">               pool[k].key &amp;&amp;</span><br><span class="line">               pool[k].idle &lt; idle) k++;</span><br><span class="line">        <span class="keyword">if</span> (k == <span class="number">0</span> &amp;&amp; pool[EVPOOL_SIZE<span class="number">-1</span>].key != <span class="literal">NULL</span>) &#123;</span><br><span class="line">            <span class="comment">/* Can't insert if the element is &lt; the worst element we have</span></span><br><span class="line"><span class="comment">             * and there are no empty buckets. */</span></span><br><span class="line">            <span class="keyword">continue</span>;</span><br><span class="line">        &#125; <span class="keyword">else</span> <span class="keyword">if</span> (k &lt; EVPOOL_SIZE &amp;&amp; pool[k].key == <span class="literal">NULL</span>) &#123;</span><br><span class="line">            <span class="comment">/* Inserting into empty position. No setup needed before insert. */</span></span><br><span class="line">        &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">            <span class="comment">/* Inserting in the middle. Now k points to the first element</span></span><br><span class="line"><span class="comment">             * greater than the element to insert.  */</span></span><br><span class="line">            <span class="keyword">if</span> (pool[EVPOOL_SIZE<span class="number">-1</span>].key == <span class="literal">NULL</span>) &#123;</span><br><span class="line">                <span class="comment">/* Free space on the right? Insert at k shifting</span></span><br><span class="line"><span class="comment">                 * all the elements from k to end to the right. */</span></span><br><span class="line"></span><br><span class="line">                <span class="comment">/* Save SDS before overwriting. */</span></span><br><span class="line">                sds cached = pool[EVPOOL_SIZE<span class="number">-1</span>].cached;</span><br><span class="line">                memmove(pool+k+<span class="number">1</span>,pool+k,</span><br><span class="line">                    <span class="keyword">sizeof</span>(pool[<span class="number">0</span>])*(EVPOOL_SIZE-k<span class="number">-1</span>));</span><br><span class="line">                pool[k].cached = cached;</span><br><span class="line">            &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">                <span class="comment">/* No free space on right? Insert at k-1 */</span></span><br><span class="line">                k--;</span><br><span class="line">                <span class="comment">/* Shift all elements on the left of k (included) to the</span></span><br><span class="line"><span class="comment">                 * left, so we discard the element with smaller idle time. */</span></span><br><span class="line">                sds cached = pool[<span class="number">0</span>].cached; <span class="comment">/* Save SDS before overwriting. */</span></span><br><span class="line">                <span class="keyword">if</span> (pool[<span class="number">0</span>].key != pool[<span class="number">0</span>].cached) sdsfree(pool[<span class="number">0</span>].key);</span><br><span class="line">                memmove(pool,pool+<span class="number">1</span>,<span class="keyword">sizeof</span>(pool[<span class="number">0</span>])*k);</span><br><span class="line">                pool[k].cached = cached;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        <span class="comment">/* Try to reuse the cached SDS string allocated in the pool entry,</span></span><br><span class="line"><span class="comment">         * because allocating and deallocating this object is costly</span></span><br><span class="line"><span class="comment">         * (according to the profiler, not my fantasy. Remember:</span></span><br><span class="line"><span class="comment">         * premature optimizbla bla bla bla. */</span></span><br><span class="line">        <span class="keyword">int</span> klen = sdslen(key);</span><br><span class="line">        <span class="keyword">if</span> (klen &gt; EVPOOL_CACHED_SDS_SIZE) &#123;</span><br><span class="line">            pool[k].key = sdsdup(key);</span><br><span class="line">        &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">            <span class="built_in">memcpy</span>(pool[k].cached,key,klen+<span class="number">1</span>);</span><br><span class="line">            sdssetlen(pool[k].cached,klen);</span><br><span class="line">            pool[k].key = pool[k].cached;</span><br><span class="line">        &#125;</span><br><span class="line">        pool[k].idle = idle;</span><br><span class="line">        pool[k].dbid = dbid;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+<p><code>Redis</code>随机选择<code>maxmemory_samples</code>数量的key，然后计算这些<code>key</code>的空闲时间<code>idle time</code>，当满足条件时(比pool中的某些键的空闲时间还大)就可以进<code>pool</code>。<code>pool</code>更新之后，就淘汰<code>pool</code>中空闲时间最大的键。</p>
+<p><a href="https://github.com/antirez/redis/blob/unstable/src/evict.c#L90" target="_blank" rel="noopener"><code>estimateObjectIdleTime</code></a>用来计算Redis对象的空闲时间：</p>
+<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/* Given an object returns the min number of milliseconds the object was never</span></span><br><span class="line"><span class="comment"> * requested, using an approximated LRU algorithm. */</span></span><br><span class="line"><span class="function"><span class="keyword">unsigned</span> <span class="keyword">long</span> <span class="keyword">long</span> <span class="title">estimateObjectIdleTime</span><span class="params">(robj *o)</span> </span>&#123;</span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> <span class="keyword">long</span> lruclock = LRU_CLOCK();</span><br><span class="line">    <span class="keyword">if</span> (lruclock &gt;= o-&gt;lru) &#123;</span><br><span class="line">        <span class="keyword">return</span> (lruclock - o-&gt;lru) * LRU_CLOCK_RESOLUTION;</span><br><span class="line">    &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">        <span class="keyword">return</span> (lruclock + (LRU_CLOCK_MAX - o-&gt;lru)) *</span><br><span class="line">                    LRU_CLOCK_RESOLUTION;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+<p>空闲时间第一种是 lurclock 大于对象的 lru，那么就是减一下乘以精度，因为 lruclock 有可能是已经预生成的，所以会可能走下面这个</p>
+<h3 id="LFU"><a href="#LFU" class="headerlink" title="LFU"></a>LFU</h3><p>上面介绍了LRU 的算法，但是考虑一种场景</p>
+<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line">~~~~~A~~~~~A~~~~~A~~~~A~~~~~A~~~~~A~~|</span><br><span class="line">~~B~~B~~B~~B~~B~~B~~B~~B~~B~~B~~B~~B~|</span><br><span class="line">~~~~~~~~~~C~~~~~~~~~C~~~~~~~~~C~~~~~~|</span><br><span class="line">~~~~~D~~~~~~~~~~D~~~~~~~~~D~~~~~~~~~D|</span><br></pre></td></tr></table></figure>
+<p>可以发现，当采用 lru 的淘汰策略的时候，D 是最新的，会被认为是最值得保留的，但是事实上还不如 A 跟 B，然后 antirez 大神就想到了LFU (Least Frequently Used) 这个算法, 显然对于上面的四个 key 的访问频率，保留优先级应该是 B &gt; A &gt; C = D<br>那要怎么来实现这个 LFU 算法呢，其实像LRU，理想的情况就是维护个链表，把最新访问的放到头上去，但是这个会影响访问速度，注意到前面代码的应该可以看到，redisObject 的 lru 字段其实是两用的，当策略是 LFU 时，这个字段就另作他用了，它的 24 位长度被分成两部分</p>
+<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line">      16 bits      8 bits</span><br><span class="line">+----------------+--------+</span><br><span class="line">+ Last decr time | LOG_C  |</span><br><span class="line">+----------------+--------+</span><br></pre></td></tr></table></figure>
+<p>前16位字段是最后一次递减时间，因此Redis知道 上一次计数器递减，后8位是 计数器 counter。<br>LFU 的主体策略就是当这个 key 被访问的次数越多频率越高他就越容易被保留下来，并且是最近被访问的频率越高。这其实有两个事情要做，一个是在访问的时候增加计数值，在一定长时间不访问时进行衰减，所以这里用了两个值，前 16 位记录上一次衰减的时间，后 8 位记录具体的计数值。<br>Redis4.0之后为maxmemory_policy淘汰策略添加了两个LFU模式：</p>
+<p><code>volatile-lfu</code>：对有过期时间的key采用LFU淘汰策略<br><code>allkeys-lfu</code>：对全部key采用LFU淘汰策略<br>还有2个配置可以调整LFU算法：  </p>
+<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br></pre></td><td class="code"><pre><span class="line">lfu-log-factor 10</span><br><span class="line">lfu-decay-time 1</span><br><span class="line">&#96;&#96;&#96;  </span><br><span class="line">&#96;lfu-log-factor&#96; 可以调整计数器counter的增长速度，lfu-log-factor越大，counter增长的越慢。</span><br><span class="line"></span><br><span class="line">&#96;lfu-decay-time&#96;是一个以分钟为单位的数值，可以调整counter的减少速度</span><br><span class="line">这里有个问题是 8 位大小够计么，访问一次加 1 的话的确不够，不过大神就是大神，才不会这么简单的加一。往下看代码</span><br><span class="line">&#96;&#96;&#96;C</span><br><span class="line">&#x2F;* Low level key lookup API, not actually called directly from commands</span><br><span class="line"> * implementations that should instead rely on lookupKeyRead(),</span><br><span class="line"> * lookupKeyWrite() and lookupKeyReadWithFlags(). *&#x2F;</span><br><span class="line">robj *lookupKey(redisDb *db, robj *key, int flags) &#123;</span><br><span class="line">    dictEntry *de &#x3D; dictFind(db-&gt;dict,key-&gt;ptr);</span><br><span class="line">    if (de) &#123;</span><br><span class="line">        robj *val &#x3D; dictGetVal(de);</span><br><span class="line"></span><br><span class="line">        &#x2F;* Update the access time for the ageing algorithm.</span><br><span class="line">         * Don&#39;t do it if we have a saving child, as this will trigger</span><br><span class="line">         * a copy on write madness. *&#x2F;</span><br><span class="line">        if (!hasActiveChildProcess() &amp;&amp; !(flags &amp; LOOKUP_NOTOUCH))&#123;</span><br><span class="line">            if (server.maxmemory_policy &amp; MAXMEMORY_FLAG_LFU) &#123;</span><br><span class="line">                &#x2F;&#x2F; 当淘汰策略是 LFU 时，就会调用这个updateLFU</span><br><span class="line">                updateLFU(val);</span><br><span class="line">            &#125; else &#123;</span><br><span class="line">                val-&gt;lru &#x3D; LRU_CLOCK();</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line">        return val;</span><br><span class="line">    &#125; else &#123;</span><br><span class="line">        return NULL;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+<p><a href="https://github.com/antirez/redis/blob/unstable/src/db.c#L46" target="_blank" rel="noopener"><code>updateLFU</code></a> 这个其实个入口，调用了两个重要的方法</p>
+<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/* Update LFU when an object is accessed.</span></span><br><span class="line"><span class="comment"> * Firstly, decrement the counter if the decrement time is reached.</span></span><br><span class="line"><span class="comment"> * Then logarithmically increment the counter, and update the access time. */</span></span><br><span class="line"><span class="function"><span class="keyword">void</span> <span class="title">updateLFU</span><span class="params">(robj *val)</span> </span>&#123;</span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> counter = LFUDecrAndReturn(val);</span><br><span class="line">    counter = LFULogIncr(counter);</span><br><span class="line">    val-&gt;lru = (LFUGetTimeInMinutes()&lt;&lt;<span class="number">8</span>) | counter;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+<p>首先来看看<a href="https://github.com/antirez/redis/blob/unstable/src/evict.c#L335" target="_blank" rel="noopener"><code>LFUDecrAndReturn</code></a>，这个方法的作用是根据上一次衰减时间和系统配置的 <code>lfu-decay-time</code> 参数来确定需要将 counter 减去多少</p>
+<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/* If the object decrement time is reached decrement the LFU counter but</span></span><br><span class="line"><span class="comment"> * do not update LFU fields of the object, we update the access time</span></span><br><span class="line"><span class="comment"> * and counter in an explicit way when the object is really accessed.</span></span><br><span class="line"><span class="comment"> * And we will times halve the counter according to the times of</span></span><br><span class="line"><span class="comment"> * elapsed time than server.lfu_decay_time.</span></span><br><span class="line"><span class="comment"> * Return the object frequency counter.</span></span><br><span class="line"><span class="comment"> *</span></span><br><span class="line"><span class="comment"> * This function is used in order to scan the dataset for the best object</span></span><br><span class="line"><span class="comment"> * to fit: as we check for the candidate, we incrementally decrement the</span></span><br><span class="line"><span class="comment"> * counter of the scanned objects if needed. */</span></span><br><span class="line"><span class="function"><span class="keyword">unsigned</span> <span class="keyword">long</span> <span class="title">LFUDecrAndReturn</span><span class="params">(robj *o)</span> </span>&#123;</span><br><span class="line">    <span class="comment">// 右移 8 位，拿到上次衰减时间</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> ldt = o-&gt;lru &gt;&gt; <span class="number">8</span>;</span><br><span class="line">    <span class="comment">// 对 255 做与操作，拿到 counter 值</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> counter = o-&gt;lru &amp; <span class="number">255</span>;</span><br><span class="line">    <span class="comment">// 根据lfu_decay_time来算出过了多少个衰减周期</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> num_periods = server.lfu_decay_time ? LFUTimeElapsed(ldt) / server.lfu_decay_time : <span class="number">0</span>;</span><br><span class="line">    <span class="keyword">if</span> (num_periods)</span><br><span class="line">        counter = (num_periods &gt; counter) ? <span class="number">0</span> : counter - num_periods;</span><br><span class="line">    <span class="keyword">return</span> counter;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+<p>然后是加，调用了<a href="https://github.com/antirez/redis/blob/unstable/src/evict.c#L315" target="_blank" rel="noopener"><code>LFULogIncr</code></a></p>
+<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/* Logarithmically increment a counter. The greater is the current counter value</span></span><br><span class="line"><span class="comment"> * the less likely is that it gets really implemented. Saturate it at 255. */</span></span><br><span class="line"><span class="function"><span class="keyword">uint8_t</span> <span class="title">LFULogIncr</span><span class="params">(<span class="keyword">uint8_t</span> counter)</span> </span>&#123;</span><br><span class="line">    <span class="comment">// 最大值就是 255，到顶了就不加了</span></span><br><span class="line">    <span class="keyword">if</span> (counter == <span class="number">255</span>) <span class="keyword">return</span> <span class="number">255</span>;</span><br><span class="line">    <span class="comment">// 生成个随机小数</span></span><br><span class="line">    <span class="keyword">double</span> r = (<span class="keyword">double</span>)rand()/RAND_MAX;</span><br><span class="line">    <span class="comment">// 减去个基础值，LFU_INIT_VAL = 5，防止刚进来就被逐出</span></span><br><span class="line">    <span class="keyword">double</span> baseval = counter - LFU_INIT_VAL;</span><br><span class="line">    <span class="comment">// 如果是小于 0，</span></span><br><span class="line">    <span class="keyword">if</span> (baseval &lt; <span class="number">0</span>) baseval = <span class="number">0</span>;</span><br><span class="line">    <span class="comment">// 如果 baseval 是 0，那么 p 就是 1了，后面 counter 直接加一，如果不是的话，得看系统参数lfu_log_factor，这个越大，除出来的 p 越小，那么 counter++的可能性也越小，这样子就把前面的疑问给解决了，不是直接+1 的</span></span><br><span class="line">    <span class="keyword">double</span> p = <span class="number">1.0</span>/(baseval*server.lfu_log_factor+<span class="number">1</span>);</span><br><span class="line">    <span class="keyword">if</span> (r &lt; p) counter++;</span><br><span class="line">    <span class="keyword">return</span> counter;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+<p>大概的变化速度可以参考</p>
+<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line">+--------+------------+------------+------------+------------+------------+</span><br><span class="line">| factor | 100 hits   | 1000 hits  | 100K hits  | 1M hits    | 10M hits   |</span><br><span class="line">+--------+------------+------------+------------+------------+------------+</span><br><span class="line">| 0      | 104        | 255        | 255        | 255        | 255        |</span><br><span class="line">+--------+------------+------------+------------+------------+------------+</span><br><span class="line">| 1      | 18         | 49         | 255        | 255        | 255        |</span><br><span class="line">+--------+------------+------------+------------+------------+------------+</span><br><span class="line">| 10     | 10         | 18         | 142        | 255        | 255        |</span><br><span class="line">+--------+------------+------------+------------+------------+------------+</span><br><span class="line">| 100    | 8          | 11         | 49         | 143        | 255        |</span><br><span class="line">+--------+------------+------------+------------+------------+------------+</span><br></pre></td></tr></table></figure>
+<p>简而言之就是 lfu_log_factor 越大变化的越慢</p>
+<h3 id="总结"><a href="#总结" class="headerlink" title="总结"></a>总结</h3><p>总结一下，redis 实现了近似的 lru 淘汰策略，通过增加了淘汰 key 的池子(pool)，并且增大每次抽样的 key 的数量来将淘汰效果更进一步地接近于 lru，这是 lru 策略，但是对于前面举的一个例子，其实 lru 并不能保证 key 的淘汰就如我们预期，所以在后期又引入了 lfu 的策略，lfu的策略比较巧妙，复用了 redis 对象的 lru 字段，并且使用了factor 参数来控制计数器递增的速度，防止 8 位的计数器太早溢出。</p>
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-          <h2 id="限制下-docker-的-cpu-使用率"><a href="#限制下-docker-的-cpu-使用率" class="headerlink" title="限制下 docker 的 cpu 使用率"></a>限制下 docker 的 cpu 使用率</h2><p>这里我们开始玩一点有意思的，我们在容器里装下 vim 和 gcc，然后写这样一段 c 代码</p>
-<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">#<span class="meta-keyword">include</span> <span class="meta-string">&lt;stdio.h&gt;</span></span></span><br><span class="line"><span class="function"><span class="keyword">int</span> <span class="title">main</span><span class="params">(<span class="keyword">void</span>)</span></span></span><br><span class="line"><span class="function"></span>&#123;</span><br><span class="line">    <span class="keyword">int</span> i = <span class="number">0</span>;</span><br><span class="line">    <span class="keyword">for</span>(;;) i++;</span><br><span class="line">    <span class="keyword">return</span> <span class="number">0</span>;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
-<p>就是一个最简单的死循环，然后在容器里跑起来</p>
-<figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">$</span><span class="bash"> gcc 1.c </span></span><br><span class="line"><span class="meta">$</span><span class="bash"> ./a.out</span></span><br></pre></td></tr></table></figure>
-<p>然后我们来看下系统资源占用（CPU）<br><img data-src="https://i.loli.net/2020/03/09/Xs562iawhHyMxeO.png" alt="Xs562iawhHyMxeO"><br>上图是在容器里的，可以看到 cpu 已经 100%了<br>然后看看容器外面的<br><img data-src="https://i.loli.net/2020/03/09/ecqH8XJ4k7rKhzu.png" alt="ecqH8XJ4k7rKhzu"><br>可以看到一个核的 cpu 也被占满了，因为是个双核的机器，并且代码是单线程的<br>然后呢我们要做点啥<br>因为已经在这个 ubuntu 容器中装了 vim 和 gcc，考虑到国内的网络，所以我们先把这个容器 commit 一下，</p>
-<figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">docker commit -a "nick" -m "my ubuntu" f63c5607df06 my_ubuntu:v1</span><br></pre></td></tr></table></figure>
-<p>然后再运行起来</p>
-<figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">docker run -it --cpus=0.1 my_ubuntu:v1 bash</span><br></pre></td></tr></table></figure>
-<p><img data-src="https://i.loli.net/2020/03/15/x2oGCPQr9Mm8ZYj.png" alt=""><br>我们的代码跟可执行文件都还在，要的就是这个效果，然后再运行一下<br><img data-src="https://i.loli.net/2020/03/10/3EgzYxpqlwobNRj.png" alt=""><br>结果是这个样子的，有点神奇是不，关键就在于 run 的时候的<code>--cpus=0.1</code>这个参数，它其实就是基于我前一篇说的 cgroup 技术，能将进程之间的cpu，内存等资源进行隔离</p>
-<h2 id="开始第一个-Dockerfile"><a href="#开始第一个-Dockerfile" class="headerlink" title="开始第一个 Dockerfile"></a>开始第一个 Dockerfile</h2><p>上一面为了复用那个我装了 vim 跟 gcc 的容器，我把它提交到了本地，使用了<code>docker commit</code>命令，有点类似于 git 的 commit，但是这个不是个很好的操作方式，需要手动介入，这里更推荐使用 Dockerfile 来构建镜像</p>
-<figure class="highlight docker"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">From</span> ubuntu:latest</span><br><span class="line"><span class="keyword">MAINTAINER</span> Nicksxs <span class="string">"nicksxs@hotmail.com"</span></span><br><span class="line"><span class="keyword">RUN</span><span class="bash">  sed -i s@/archive.ubuntu.com/@/mirrors.aliyun.com/@g /etc/apt/sources.list</span></span><br><span class="line"><span class="keyword">RUN</span><span class="bash"> apt-get clean</span></span><br><span class="line"><span class="keyword">RUN</span><span class="bash"> apt-get update &amp;&amp; apt install -y nginx</span></span><br><span class="line"><span class="keyword">RUN</span><span class="bash"> <span class="built_in">echo</span> <span class="string">'Hi, i am in container'</span> \</span></span><br><span class="line"><span class="bash">    &gt; /usr/share/nginx/html/index.html</span></span><br><span class="line"><span class="keyword">EXPOSE</span> <span class="number">80</span></span><br></pre></td></tr></table></figure>
-<p>先解释下这是在干嘛，首先是这个<code>From ubuntu:latest</code>基于的 ubuntu 的最新版本的镜像，然后第二行是维护人的信息，第三四行么作为墙内人你懂的，把 ubuntu 的源换成阿里云的，不然就有的等了，然后就是装下 nginx，往默认的 nginx 的入口 html 文件里输入一行欢迎语，然后暴露 80 端口<br>然后我们使用<code>sudo docker build -t=&quot;nicksxs/static_web&quot; .</code>命令来基于这个 Dockerfile 构建我们自己的镜像，过程中是这样的<br><img data-src="https://i.loli.net/2020/03/15/aiIMrhy9WHetDSl.png" alt=""><br><img data-src="https://i.loli.net/2020/03/11/RC6yjImFZps4HWl.png" alt=""><br>可以看到图中，我的 Dockerfile 是 7 行，里面就执行了 7 步，并且每一步都有一个类似于容器 id 的层 id 出来，这里就是一个比较重要的东西，docker 在构建的时候其实是有这个层的概念，Dockerfile 里的每一行都会往上加一层，这里有还注意下命令后面的<code>.</code>，代表当前目录下会自行去寻找 Dockerfile 进行构建，构建完了之后我们再看下我们的本地镜像<br><img data-src="https://i.loli.net/2020/03/11/op5c7UGTbhjwPOI.png" alt=""><br>我们自己的镜像出现啦<br>然后有个问题，如果这个构建中途报了错咋办呢，来试试看，我们把 nginx 改成随便的一个错误名，nginxx(不知道会不会运气好真的有这玩意)，再来 build 一把<br><img data-src="https://i.loli.net/2020/03/14/ALWIobjchnu1Rvi.png" alt=""><br>找不到 nginxx 包，是不是这个镜像就完全不能用呢，当然也不是，因为前面说到了，docker 是基于层去构建的，可以看到前面的 4 个 step 都没报错，那我们基于最后的成功步骤创建下容器看看<br>也就是<code>sudo docker run -t -i bd26f991b6c8 /bin/bash</code><br>答案是可以的，只是没装成功 nginx<br><img data-src="https://i.loli.net/2020/03/14/grcMNVxTabDPipu.png" alt=""><br>还有一点注意到没，前面的几个 step 都有一句 <code>Using cache</code>，说明 docker 在构建镜像的时候是有缓存的，这也更能说明 docker 是基于层去构建镜像，同样的底包，同样的步骤，这些层是可以被复用的，这就是 docker 的构建缓存，当然我们也可以在 build 的时候加上<code>--no-cache</code>去把构建缓存禁用掉。</p>
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+++ b/page/5/index.html
@@ -203,6 +203,118 @@
       
   
   
+  <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2020/03/15/docker%E6%AF%94%E4%B8%80%E8%88%AC%E5%A4%9A%E4%B8%80%E7%82%B9%E7%9A%84%E5%88%9D%E5%AD%A6%E8%80%85%E4%BB%8B%E7%BB%8D%E4%BA%8C/">
+
+    <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
+      <meta itemprop="image" content="/uploads/avatar.jpg">
+      <meta itemprop="name" content="Nicksxs">
+      <meta itemprop="description" content="learn from zero,技术博客，Nicksxs，史学森">
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+      <meta itemprop="name" content="Nicksxs's Blog">
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+      <header class="post-header">
+        <h2 class="post-title" itemprop="name headline">
+          
+            <a href="/2020/03/15/docker%E6%AF%94%E4%B8%80%E8%88%AC%E5%A4%9A%E4%B8%80%E7%82%B9%E7%9A%84%E5%88%9D%E5%AD%A6%E8%80%85%E4%BB%8B%E7%BB%8D%E4%BA%8C/" class="post-title-link" itemprop="url">docker比一般多一点的初学者介绍二</a>
+        </h2>
+
+        <div class="post-meta">
+            <span class="post-meta-item">
+              <span class="post-meta-item-icon">
+                <i class="far fa-calendar"></i>
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+              <span class="post-meta-item-text">Posted on</span>
+
+              <time title="Created: 2020-03-15 22:33:55" itemprop="dateCreated datePublished" datetime="2020-03-15T22:33:55+08:00">2020-03-15</time>
+            </span>
+              <span class="post-meta-item">
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+                  <i class="far fa-calendar-check"></i>
+                </span>
+                <span class="post-meta-item-text">Edited on</span>
+                <time title="Modified: 2020-03-16 22:16:28" itemprop="dateModified" datetime="2020-03-16T22:16:28+08:00">2020-03-16</time>
+              </span>
+            <span class="post-meta-item">
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+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
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+                </span>
+                  , 
+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/Docker/%E4%BB%8B%E7%BB%8D/" itemprop="url" rel="index"><span itemprop="name">介绍</span></a>
+                </span>
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+          
+            <span id="/2020/03/15/docker%E6%AF%94%E4%B8%80%E8%88%AC%E5%A4%9A%E4%B8%80%E7%82%B9%E7%9A%84%E5%88%9D%E5%AD%A6%E8%80%85%E4%BB%8B%E7%BB%8D%E4%BA%8C/" class="post-meta-item leancloud_visitors" data-flag-title="docker比一般多一点的初学者介绍二" title="Views">
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+      <span class="post-meta-item-icon">
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+      </header>
+
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+    <div class="post-body" itemprop="articleBody">
+
+      
+          <h2 id="限制下-docker-的-cpu-使用率"><a href="#限制下-docker-的-cpu-使用率" class="headerlink" title="限制下 docker 的 cpu 使用率"></a>限制下 docker 的 cpu 使用率</h2><p>这里我们开始玩一点有意思的，我们在容器里装下 vim 和 gcc，然后写这样一段 c 代码</p>
+<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">#<span class="meta-keyword">include</span> <span class="meta-string">&lt;stdio.h&gt;</span></span></span><br><span class="line"><span class="function"><span class="keyword">int</span> <span class="title">main</span><span class="params">(<span class="keyword">void</span>)</span></span></span><br><span class="line"><span class="function"></span>&#123;</span><br><span class="line">    <span class="keyword">int</span> i = <span class="number">0</span>;</span><br><span class="line">    <span class="keyword">for</span>(;;) i++;</span><br><span class="line">    <span class="keyword">return</span> <span class="number">0</span>;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+<p>就是一个最简单的死循环，然后在容器里跑起来</p>
+<figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">$</span><span class="bash"> gcc 1.c </span></span><br><span class="line"><span class="meta">$</span><span class="bash"> ./a.out</span></span><br></pre></td></tr></table></figure>
+<p>然后我们来看下系统资源占用（CPU）<br><img data-src="https://i.loli.net/2020/03/09/Xs562iawhHyMxeO.png" alt="Xs562iawhHyMxeO"><br>上图是在容器里的，可以看到 cpu 已经 100%了<br>然后看看容器外面的<br><img data-src="https://i.loli.net/2020/03/09/ecqH8XJ4k7rKhzu.png" alt="ecqH8XJ4k7rKhzu"><br>可以看到一个核的 cpu 也被占满了，因为是个双核的机器，并且代码是单线程的<br>然后呢我们要做点啥<br>因为已经在这个 ubuntu 容器中装了 vim 和 gcc，考虑到国内的网络，所以我们先把这个容器 commit 一下，</p>
+<figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">docker commit -a "nick" -m "my ubuntu" f63c5607df06 my_ubuntu:v1</span><br></pre></td></tr></table></figure>
+<p>然后再运行起来</p>
+<figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">docker run -it --cpus=0.1 my_ubuntu:v1 bash</span><br></pre></td></tr></table></figure>
+<p><img data-src="https://i.loli.net/2020/03/15/x2oGCPQr9Mm8ZYj.png" alt=""><br>我们的代码跟可执行文件都还在，要的就是这个效果，然后再运行一下<br><img data-src="https://i.loli.net/2020/03/10/3EgzYxpqlwobNRj.png" alt=""><br>结果是这个样子的，有点神奇是不，关键就在于 run 的时候的<code>--cpus=0.1</code>这个参数，它其实就是基于我前一篇说的 cgroup 技术，能将进程之间的cpu，内存等资源进行隔离</p>
+<h2 id="开始第一个-Dockerfile"><a href="#开始第一个-Dockerfile" class="headerlink" title="开始第一个 Dockerfile"></a>开始第一个 Dockerfile</h2><p>上一面为了复用那个我装了 vim 跟 gcc 的容器，我把它提交到了本地，使用了<code>docker commit</code>命令，有点类似于 git 的 commit，但是这个不是个很好的操作方式，需要手动介入，这里更推荐使用 Dockerfile 来构建镜像</p>
+<figure class="highlight docker"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">From</span> ubuntu:latest</span><br><span class="line"><span class="keyword">MAINTAINER</span> Nicksxs <span class="string">"nicksxs@hotmail.com"</span></span><br><span class="line"><span class="keyword">RUN</span><span class="bash">  sed -i s@/archive.ubuntu.com/@/mirrors.aliyun.com/@g /etc/apt/sources.list</span></span><br><span class="line"><span class="keyword">RUN</span><span class="bash"> apt-get clean</span></span><br><span class="line"><span class="keyword">RUN</span><span class="bash"> apt-get update &amp;&amp; apt install -y nginx</span></span><br><span class="line"><span class="keyword">RUN</span><span class="bash"> <span class="built_in">echo</span> <span class="string">'Hi, i am in container'</span> \</span></span><br><span class="line"><span class="bash">    &gt; /usr/share/nginx/html/index.html</span></span><br><span class="line"><span class="keyword">EXPOSE</span> <span class="number">80</span></span><br></pre></td></tr></table></figure>
+<p>先解释下这是在干嘛，首先是这个<code>From ubuntu:latest</code>基于的 ubuntu 的最新版本的镜像，然后第二行是维护人的信息，第三四行么作为墙内人你懂的，把 ubuntu 的源换成阿里云的，不然就有的等了，然后就是装下 nginx，往默认的 nginx 的入口 html 文件里输入一行欢迎语，然后暴露 80 端口<br>然后我们使用<code>sudo docker build -t=&quot;nicksxs/static_web&quot; .</code>命令来基于这个 Dockerfile 构建我们自己的镜像，过程中是这样的<br><img data-src="https://i.loli.net/2020/03/15/aiIMrhy9WHetDSl.png" alt=""><br><img data-src="https://i.loli.net/2020/03/11/RC6yjImFZps4HWl.png" alt=""><br>可以看到图中，我的 Dockerfile 是 7 行，里面就执行了 7 步，并且每一步都有一个类似于容器 id 的层 id 出来，这里就是一个比较重要的东西，docker 在构建的时候其实是有这个层的概念，Dockerfile 里的每一行都会往上加一层，这里有还注意下命令后面的<code>.</code>，代表当前目录下会自行去寻找 Dockerfile 进行构建，构建完了之后我们再看下我们的本地镜像<br><img data-src="https://i.loli.net/2020/03/11/op5c7UGTbhjwPOI.png" alt=""><br>我们自己的镜像出现啦<br>然后有个问题，如果这个构建中途报了错咋办呢，来试试看，我们把 nginx 改成随便的一个错误名，nginxx(不知道会不会运气好真的有这玩意)，再来 build 一把<br><img data-src="https://i.loli.net/2020/03/14/ALWIobjchnu1Rvi.png" alt=""><br>找不到 nginxx 包，是不是这个镜像就完全不能用呢，当然也不是，因为前面说到了，docker 是基于层去构建的，可以看到前面的 4 个 step 都没报错，那我们基于最后的成功步骤创建下容器看看<br>也就是<code>sudo docker run -t -i bd26f991b6c8 /bin/bash</code><br>答案是可以的，只是没装成功 nginx<br><img data-src="https://i.loli.net/2020/03/14/grcMNVxTabDPipu.png" alt=""><br>还有一点注意到没，前面的几个 step 都有一句 <code>Using cache</code>，说明 docker 在构建镜像的时候是有缓存的，这也更能说明 docker 是基于层去构建镜像，同样的底包，同样的步骤，这些层是可以被复用的，这就是 docker 的构建缓存，当然我们也可以在 build 的时候加上<code>--no-cache</code>去把构建缓存禁用掉。</p>
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-          <p>G1: The Garbage-First Collector, 垃圾回收优先的垃圾回收器，目标是用户多核 cpu 和大内存的机器，最大的特点就是可预测的停顿时间，官方给出的介绍是提供一个用户在大的堆内存情况下一个低延迟表现的解决方案，通常是 6GB 及以上的堆大小，有低于 0.5 秒稳定的可预测的停顿时间。</p>
-<p>这里主要介绍这个比较新的垃圾回收器，在 G1 之前的垃圾回收器都是基于如下图的内存结构分布，有新生代，老年代和永久代（jdk8 之前），然后G1 往前的那些垃圾回收器都有个分代，比如 serial，parallel 等，一般有个应用的组合，最初的 serial 和 serial old，因为新生代和老年代的收集方式不太一样，新生代主要是标记复制，所以有 eden 跟两个 survival区，老年代一般用标记整理方式，而 G1 对这个不太一样。<br><img data-src="https://i.loli.net/2020/02/09/jOVs2AlphzwyF5c.jpg" alt=""><br>看一下 G1 的内存分布<br><img data-src="https://i.loli.net/2020/02/09/Yr1tGiWp4mAZSzB.jpg" alt=""><br>可以看到这有很大的不同，G1 通过将内存分成大小相等的 region，每个region是存在于一个连续的虚拟内存范围，对于某个 region 来说其角色是类似于原来的收集器的Eden、Survivor、Old Generation，这个具体在代码层面</p>
-<figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">// We encode the value of the heap region type so the generation can be</span></span><br><span class="line"> <span class="comment">// determined quickly. The tag is split into two parts:</span></span><br><span class="line"> <span class="comment">//</span></span><br><span class="line"> <span class="comment">//   major type (young, old, humongous, archive)           : top N-1 bits</span></span><br><span class="line"> <span class="comment">//   minor type (eden / survivor, starts / cont hum, etc.) : bottom 1 bit</span></span><br><span class="line"> <span class="comment">//</span></span><br><span class="line"> <span class="comment">// If there's need to increase the number of minor types in the</span></span><br><span class="line"> <span class="comment">// future, we'll have to increase the size of the latter and hence</span></span><br><span class="line"> <span class="comment">// decrease the size of the former.</span></span><br><span class="line"> <span class="comment">//</span></span><br><span class="line"> <span class="comment">// 00000 0 [ 0] Free</span></span><br><span class="line"> <span class="comment">//</span></span><br><span class="line"> <span class="comment">// 00001 0 [ 2] Young Mask</span></span><br><span class="line"> <span class="comment">// 00001 0 [ 2] Eden</span></span><br><span class="line"> <span class="comment">// 00001 1 [ 3] Survivor</span></span><br><span class="line"> <span class="comment">//</span></span><br><span class="line"> <span class="comment">// 00010 0 [ 4] Humongous Mask</span></span><br><span class="line"> <span class="comment">// 00100 0 [ 8] Pinned Mask</span></span><br><span class="line"> <span class="comment">// 00110 0 [12] Starts Humongous</span></span><br><span class="line"> <span class="comment">// 00110 1 [13] Continues Humongous</span></span><br><span class="line"> <span class="comment">//</span></span><br><span class="line"> <span class="comment">// 01000 0 [16] Old Mask</span></span><br><span class="line"> <span class="comment">//</span></span><br><span class="line"> <span class="comment">// 10000 0 [32] Archive Mask</span></span><br><span class="line"> <span class="comment">// 11100 0 [56] Open Archive</span></span><br><span class="line"> <span class="comment">// 11100 1 [57] Closed Archive</span></span><br><span class="line"> <span class="comment">//</span></span><br><span class="line"> <span class="keyword">typedef</span> <span class="keyword">enum</span> &#123;</span><br><span class="line">   FreeTag               = <span class="number">0</span>,</span><br><span class="line"></span><br><span class="line">   YoungMask             = <span class="number">2</span>,</span><br><span class="line">   EdenTag               = YoungMask,</span><br><span class="line">   SurvTag               = YoungMask + <span class="number">1</span>,</span><br><span class="line"></span><br><span class="line">   HumongousMask         = <span class="number">4</span>,</span><br><span class="line">   PinnedMask            = <span class="number">8</span>,</span><br><span class="line">   StartsHumongousTag    = HumongousMask | PinnedMask,</span><br><span class="line">   ContinuesHumongousTag = HumongousMask | PinnedMask + <span class="number">1</span>,</span><br><span class="line"></span><br><span class="line">   OldMask               = <span class="number">16</span>,</span><br><span class="line">   OldTag                = OldMask,</span><br><span class="line"></span><br><span class="line">   <span class="comment">// Archive regions are regions with immutable content (i.e. not reclaimed, and</span></span><br><span class="line">   <span class="comment">// not allocated into during regular operation). They differ in the kind of references</span></span><br><span class="line">   <span class="comment">// allowed for the contained objects:</span></span><br><span class="line">   <span class="comment">// - Closed archive regions form a separate self-contained (closed) object graph</span></span><br><span class="line">   <span class="comment">// within the set of all of these regions. No references outside of closed</span></span><br><span class="line">   <span class="comment">// archive regions are allowed.</span></span><br><span class="line">   <span class="comment">// - Open archive regions have no restrictions on the references of their objects.</span></span><br><span class="line">   <span class="comment">// Objects within these regions are allowed to have references to objects</span></span><br><span class="line">   <span class="comment">// contained in any other kind of regions.</span></span><br><span class="line">   ArchiveMask           = <span class="number">32</span>,</span><br><span class="line">   OpenArchiveTag        = ArchiveMask | PinnedMask | OldMask,</span><br><span class="line">   ClosedArchiveTag      = ArchiveMask | PinnedMask | OldMask + <span class="number">1</span></span><br><span class="line"> &#125; Tag;</span><br></pre></td></tr></table></figure>
-
-<p><code>hotspot/share/gc/g1/heapRegionType.hpp</code></p>
-<p>当执行垃圾收集时，G1以类似于CMS收集器的方式运行。 G1执行并发全局标记阶段，以确定整个堆中对象的存活性。标记阶段完成后，G1知道哪些region是基本空的。它首先收集这些region，通常会产生大量的可用空间。这就是为什么这种垃圾收集方法称为“垃圾优先”的原因。顾名思义，G1将其收集和压缩活动集中在可能充满可回收对象（即垃圾）的堆区域。 G1使用暂停预测模型来满足用户定义的暂停时间目标，并根据指定的暂停时间目标选择要收集的区域数。</p>
-<p>由G1标识为可回收的区域是使用撤离的方式(Evacuation)。 G1将对象从堆的一个或多个区域复制到堆上的单个区域，并在此过程中压缩并释放内存。撤离是在多处理器上并行执行的，以减少暂停时间并增加吞吐量。因此，对于每次垃圾收集，G1都在用户定义的暂停时间内连续工作以减少碎片。这是优于前面两种方法的。 CMS（并发标记扫描）垃圾收集器不进行压缩。 ParallelOld垃圾回收仅执行整个堆压缩，这导致相当长的暂停时间。</p>
-<p>需要重点注意的是，G1不是实时收集器。它很有可能达到设定的暂停时间目标，但并非绝对确定。 G1根据先前收集的数据，估算在用户指定的目标时间内可以收集多少个区域。因此，收集器具有收集区域成本的合理准确的模型，并且收集器使用此模型来确定要收集哪些和多少个区域，同时保持在暂停时间目标之内。</p>
-<p>注意：G1同时具有并发（与应用程序线程一起运行，例如优化，标记，清理）和并行（多线程，例如stw）阶段。Full GC仍然是单线程的，但是如果正确调优，您的应用程序应该可以避免Full GC。</p>
-<p>在前面那篇中在代码层面简单的了解了这个可预测时间的过程，这也是 G1 的一大特点。</p>
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href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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diff --git a/page/6/index.html b/page/6/index.html
index 98e13e5118..43fb3b1d7a 100644
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+++ b/page/6/index.html
@@ -204,7 +204,7 @@
   
   
   <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2020/02/01/2019%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2020/02/09/G1%E6%94%B6%E9%9B%86%E5%99%A8%E6%A6%82%E8%BF%B0/">
 
     <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
       <meta itemprop="image" content="/uploads/avatar.jpg">
@@ -218,7 +218,7 @@
       <header class="post-header">
         <h2 class="post-title" itemprop="name headline">
           
-            <a href="/2020/02/01/2019%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" class="post-title-link" itemprop="url">2019年终总结</a>
+            <a href="/2020/02/09/G1%E6%94%B6%E9%9B%86%E5%99%A8%E6%A6%82%E8%BF%B0/" class="post-title-link" itemprop="url">G1收集器概述</a>
         </h2>
 
         <div class="post-meta">
@@ -229,7 +229,7 @@
               <span class="post-meta-item-text">Posted on</span>
               
 
-              <time title="Created: 2020-02-01 22:23:53 / Modified: 22:41:22" itemprop="dateCreated datePublished" datetime="2020-02-01T22:23:53+08:00">2020-02-01</time>
+              <time title="Created: 2020-02-09 20:52:02 / Modified: 20:56:16" itemprop="dateCreated datePublished" datetime="2020-02-09T20:52:02+08:00">2020-02-09</time>
             </span>
             <span class="post-meta-item">
               <span class="post-meta-item-icon">
@@ -237,20 +237,24 @@
               </span>
               <span class="post-meta-item-text">In</span>
                 <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/%E7%94%9F%E6%B4%BB/" itemprop="url" rel="index"><span itemprop="name">生活</span></a>
+                  <a href="/categories/Java/" itemprop="url" rel="index"><span itemprop="name">Java</span></a>
                 </span>
                   , 
                 <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/%E7%94%9F%E6%B4%BB/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" itemprop="url" rel="index"><span itemprop="name">年终总结</span></a>
+                  <a href="/categories/Java/JVM/" itemprop="url" rel="index"><span itemprop="name">JVM</span></a>
                 </span>
                   , 
                 <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/%E7%94%9F%E6%B4%BB/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/2019/" itemprop="url" rel="index"><span itemprop="name">2019</span></a>
+                  <a href="/categories/C/" itemprop="url" rel="index"><span itemprop="name">C++</span></a>
+                </span>
+                  , 
+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/Java/GC/" itemprop="url" rel="index"><span itemprop="name">GC</span></a>
                 </span>
             </span>
 
           
-            <span id="/2020/02/01/2019%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" class="post-meta-item leancloud_visitors" data-flag-title="2019年终总结" title="Views">
+            <span id="/2020/02/09/G1%E6%94%B6%E9%9B%86%E5%99%A8%E6%A6%82%E8%BF%B0/" class="post-meta-item leancloud_visitors" data-flag-title="G1收集器概述" title="Views">
               <span class="post-meta-item-icon">
                 <i class="fa fa-eye"></i>
               </span>
@@ -265,8 +269,8 @@
       </span>
       <span class="post-meta-item-text">Disqus: </span>
     
-    <a title="disqus" href="/2020/02/01/2019%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/#disqus_thread" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2020/02/01/2019年终总结/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2020/02/09/G1%E6%94%B6%E9%9B%86%E5%99%A8%E6%A6%82%E8%BF%B0/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2020/02/09/G1收集器概述/" itemprop="commentCount"></span>
     </a>
   </span>
   
@@ -281,20 +285,16 @@
     <div class="post-body" itemprop="articleBody">
 
       
-          <p>今天是农历初八了，年前一个月的时候就准备做下今年的年终总结，可是写了一点觉得太情绪化了，希望后面写个平淡点的，正好最近技术方面还没有看到一个完整成文的内容，就来写一下这一年的总结，尽量少写一点太情绪化的东西。</p>
-<h3 id="跳槽"><a href="#跳槽" class="headerlink" title="跳槽"></a>跳槽</h3><p>年初换了个公司，也算换了个环境，跟前公司不太一样，做的事情方向也不同，可能是侧重点不同，一开始有些不适应，主要是压力上，会觉得压力比较大，但是总体来说与人相处的部分还是不错的，做的技术方向还是Java，这里也感谢前东家让我有机会转了Java，个人感觉杭州整个市场还是Java比较有优势，不过在开始的时候总觉得对Java有点不适应，应该值得深究的东西还是很多的，而且对于面试来说，也是有很多可以问的，后面慢慢发现除开某里等一线超一线互联网公司之外，大部分的面试还是有大概的套路跟大纲的，不过更细致的则因人而异了，面试有时候也还看缘分，面试官关注的点跟应试者比较契合的话就很容易通过面试，不然的话总会有能刁难或者理性化地说比较难回答的问题。这个后面可以单独说一下，先按下不表。<br>刚进公司没多久就负责比较重要的项目，工期也比较紧张，整体来说那段时间的压力的确是比较大的，不过总算最后结果不坏，这里应该说对一些原来在前东家都是掌握的不太好的部分，比如maven，其实maven对于java程序员来说还是很重要的，但是我碰到过的面试基本没问过这个，我自己也在后面的面试中没问过相关的，不知道咋问，比如dependence分析、冲突解决，比如对bean的理解，这个算是我一直以来的疑问点，因为以前刚开始学Java学spring，上来就是bean，但是bean到底是啥，IOC是啥，可能网上的文章跟大多数书籍跟我的理解思路不太match，导致一直不能很好的理解这玩意，到后面才理解，要理解这个bean，需要有两个基本概念，一个是面向对象，一个是对象容器跟依赖反转，还是只说到这，后面可以有专题说一下，总之自认为技术上有了不小的长进了，方向上应该是偏实用的。这个重要的项目完成后慢慢能喘口气了，后面也有一些比较紧急且工作量大的，不过在我TL的帮助下还是能尽量协调好资源。</p>
-<h3 id="面试"><a href="#面试" class="headerlink" title="面试"></a>面试</h3><p>后面因为项目比较多，缺少开发，所以也参与帮忙做一些面试，这里总体感觉是面的候选人还是比较多样的，有些工作了蛮多年但是一些基础问题回答的不好，有些还是在校学生，但是面试技巧不错，针对常见的面试题都有不错的准备，不过还是觉得光靠这些面试题不能完全说明问题，真正工作了需要的是解决问题的人，而不是会背题的，退一步来说能好好准备面试还是比较重要的，也是双向选择中的基本尊重，印象比较深刻的是参加了去杭州某高校的校招面试，感觉参加校招的同学还是很多的，大部分是20年将毕业的研究生，挺多都是基础很扎实，对比起我刚要毕业时还是很汗颜，挺多来面试的同学都非常不错，那天强度也很大，从下午到那开始一直面到六七点，在这祝福那些来面试的同学，也都不容易的，能找到心仪的工作。</p>
-<h3 id="技术方向"><a href="#技术方向" class="headerlink" title="技术方向"></a>技术方向</h3><p>这一年前大半部分还是比较焦虑不能恢复那种主动找时间学习的状态，可能换了公司是主要的原因，初期有个适应的过程也比较正常，总体来说可能是到九十月份开始慢慢有所改善，对这些方面有学习了下，</p>
-<ul>
-<li>spring方向，spring真的是个庞然大物，但是还是要先抓住根本，慢慢发散去了解其他的细节，抓住bean的生命周期，当然也不是死记硬背，让我一个个背下来我也不行，但是知道它究竟是干嘛的，有啥用，并且在工作中能用起来是最重要的</li>
-<li>mysql数据库，这部分主要是关注了mvcc，知道了个大概，源码实现细节还没具体研究，有时间可以来个专题（一大堆待写的内容）</li>
-<li>java的一些源码，比如aqs这种，结合文章看了下源码，一开始总感觉静不下心来看，然后有一次被LD刺激了下就看完了，包括conditionObject等</li>
-<li>redis的源码，这里包括了Redis分布式锁和redis的数据结构源码，已经写成文章，不过比较着急成文，所以质量不是特别好，希望后面再来补补</li>
-<li>jvm源码，这部分正好是想了解下g1收集器，大概把周志明的书看完了，但是还没完整的理解掌握，还有就是g1收集器的部分，一是概念部分大概理解了，后面是就是想从源码层面去学习理解，这也是新一年的主要计划</li>
-<li>mq的部分是了解了zero copy，sendfile等，跟消息队列主题关系不大🤦‍♂️<br>这么看还是学了点东西的，希望新一年再接再厉。</li>
-</ul>
-<h3 id="生活"><a href="#生活" class="headerlink" title="生活"></a>生活</h3><p>住的地方没变化，主要是周边设施比较方便，暂时没找到更好的就没打算换，主要的问题是没电梯，一开始没觉得有啥，真正住起来还是觉得比较累的，希望后面租的可以有电梯，或者楼层低一点，还有就是要通下水道，第一次让师傅上门，花了两百大洋，后来自学成才了，让师傅通了一次才撑了一个月就不行了，后面自己通的差不多可以撑半年，还是比较有成就感的😀，然后就是跑步了，年初的时候去了紫金港跑步，后面因为工作的原因没去了，但是公司的跑步机倒是让我重拾起这个唯一的运动健身项目，后面因为肠胃问题，体重也需要控制，所以就周末回来也在家这边坚持跑步，下半年的话基本保持每周一次以上，比较那些跑马拉松的大牛还是差距很大，不过也是突破自我了，有一次跑了12公里，最远的距离，而且后面感觉跑十公里也不是特别吃不消了，这一年达成了300公里的目标，体重也稍有下降，比较满意的结果。</p>
-<h3 id="期待"><a href="#期待" class="headerlink" title="期待"></a>期待</h3><p>希望工作方面技术方面能有所长进，生活上能多点时间陪家人，继续跑步减肥，家人健健康康的，嗯</p>
+          <p>G1: The Garbage-First Collector, 垃圾回收优先的垃圾回收器，目标是用户多核 cpu 和大内存的机器，最大的特点就是可预测的停顿时间，官方给出的介绍是提供一个用户在大的堆内存情况下一个低延迟表现的解决方案，通常是 6GB 及以上的堆大小，有低于 0.5 秒稳定的可预测的停顿时间。</p>
+<p>这里主要介绍这个比较新的垃圾回收器，在 G1 之前的垃圾回收器都是基于如下图的内存结构分布，有新生代，老年代和永久代（jdk8 之前），然后G1 往前的那些垃圾回收器都有个分代，比如 serial，parallel 等，一般有个应用的组合，最初的 serial 和 serial old，因为新生代和老年代的收集方式不太一样，新生代主要是标记复制，所以有 eden 跟两个 survival区，老年代一般用标记整理方式，而 G1 对这个不太一样。<br><img data-src="https://i.loli.net/2020/02/09/jOVs2AlphzwyF5c.jpg" alt=""><br>看一下 G1 的内存分布<br><img data-src="https://i.loli.net/2020/02/09/Yr1tGiWp4mAZSzB.jpg" alt=""><br>可以看到这有很大的不同，G1 通过将内存分成大小相等的 region，每个region是存在于一个连续的虚拟内存范围，对于某个 region 来说其角色是类似于原来的收集器的Eden、Survivor、Old Generation，这个具体在代码层面</p>
+<figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">// We encode the value of the heap region type so the generation can be</span></span><br><span class="line"> <span class="comment">// determined quickly. The tag is split into two parts:</span></span><br><span class="line"> <span class="comment">//</span></span><br><span class="line"> <span class="comment">//   major type (young, old, humongous, archive)           : top N-1 bits</span></span><br><span class="line"> <span class="comment">//   minor type (eden / survivor, starts / cont hum, etc.) : bottom 1 bit</span></span><br><span class="line"> <span class="comment">//</span></span><br><span class="line"> <span class="comment">// If there's need to increase the number of minor types in the</span></span><br><span class="line"> <span class="comment">// future, we'll have to increase the size of the latter and hence</span></span><br><span class="line"> <span class="comment">// decrease the size of the former.</span></span><br><span class="line"> <span class="comment">//</span></span><br><span class="line"> <span class="comment">// 00000 0 [ 0] Free</span></span><br><span class="line"> <span class="comment">//</span></span><br><span class="line"> <span class="comment">// 00001 0 [ 2] Young Mask</span></span><br><span class="line"> <span class="comment">// 00001 0 [ 2] Eden</span></span><br><span class="line"> <span class="comment">// 00001 1 [ 3] Survivor</span></span><br><span class="line"> <span class="comment">//</span></span><br><span class="line"> <span class="comment">// 00010 0 [ 4] Humongous Mask</span></span><br><span class="line"> <span class="comment">// 00100 0 [ 8] Pinned Mask</span></span><br><span class="line"> <span class="comment">// 00110 0 [12] Starts Humongous</span></span><br><span class="line"> <span class="comment">// 00110 1 [13] Continues Humongous</span></span><br><span class="line"> <span class="comment">//</span></span><br><span class="line"> <span class="comment">// 01000 0 [16] Old Mask</span></span><br><span class="line"> <span class="comment">//</span></span><br><span class="line"> <span class="comment">// 10000 0 [32] Archive Mask</span></span><br><span class="line"> <span class="comment">// 11100 0 [56] Open Archive</span></span><br><span class="line"> <span class="comment">// 11100 1 [57] Closed Archive</span></span><br><span class="line"> <span class="comment">//</span></span><br><span class="line"> <span class="keyword">typedef</span> <span class="keyword">enum</span> &#123;</span><br><span class="line">   FreeTag               = <span class="number">0</span>,</span><br><span class="line"></span><br><span class="line">   YoungMask             = <span class="number">2</span>,</span><br><span class="line">   EdenTag               = YoungMask,</span><br><span class="line">   SurvTag               = YoungMask + <span class="number">1</span>,</span><br><span class="line"></span><br><span class="line">   HumongousMask         = <span class="number">4</span>,</span><br><span class="line">   PinnedMask            = <span class="number">8</span>,</span><br><span class="line">   StartsHumongousTag    = HumongousMask | PinnedMask,</span><br><span class="line">   ContinuesHumongousTag = HumongousMask | PinnedMask + <span class="number">1</span>,</span><br><span class="line"></span><br><span class="line">   OldMask               = <span class="number">16</span>,</span><br><span class="line">   OldTag                = OldMask,</span><br><span class="line"></span><br><span class="line">   <span class="comment">// Archive regions are regions with immutable content (i.e. not reclaimed, and</span></span><br><span class="line">   <span class="comment">// not allocated into during regular operation). They differ in the kind of references</span></span><br><span class="line">   <span class="comment">// allowed for the contained objects:</span></span><br><span class="line">   <span class="comment">// - Closed archive regions form a separate self-contained (closed) object graph</span></span><br><span class="line">   <span class="comment">// within the set of all of these regions. No references outside of closed</span></span><br><span class="line">   <span class="comment">// archive regions are allowed.</span></span><br><span class="line">   <span class="comment">// - Open archive regions have no restrictions on the references of their objects.</span></span><br><span class="line">   <span class="comment">// Objects within these regions are allowed to have references to objects</span></span><br><span class="line">   <span class="comment">// contained in any other kind of regions.</span></span><br><span class="line">   ArchiveMask           = <span class="number">32</span>,</span><br><span class="line">   OpenArchiveTag        = ArchiveMask | PinnedMask | OldMask,</span><br><span class="line">   ClosedArchiveTag      = ArchiveMask | PinnedMask | OldMask + <span class="number">1</span></span><br><span class="line"> &#125; Tag;</span><br></pre></td></tr></table></figure>
+
+<p><code>hotspot/share/gc/g1/heapRegionType.hpp</code></p>
+<p>当执行垃圾收集时，G1以类似于CMS收集器的方式运行。 G1执行并发全局标记阶段，以确定整个堆中对象的存活性。标记阶段完成后，G1知道哪些region是基本空的。它首先收集这些region，通常会产生大量的可用空间。这就是为什么这种垃圾收集方法称为“垃圾优先”的原因。顾名思义，G1将其收集和压缩活动集中在可能充满可回收对象（即垃圾）的堆区域。 G1使用暂停预测模型来满足用户定义的暂停时间目标，并根据指定的暂停时间目标选择要收集的区域数。</p>
+<p>由G1标识为可回收的区域是使用撤离的方式(Evacuation)。 G1将对象从堆的一个或多个区域复制到堆上的单个区域，并在此过程中压缩并释放内存。撤离是在多处理器上并行执行的，以减少暂停时间并增加吞吐量。因此，对于每次垃圾收集，G1都在用户定义的暂停时间内连续工作以减少碎片。这是优于前面两种方法的。 CMS（并发标记扫描）垃圾收集器不进行压缩。 ParallelOld垃圾回收仅执行整个堆压缩，这导致相当长的暂停时间。</p>
+<p>需要重点注意的是，G1不是实时收集器。它很有可能达到设定的暂停时间目标，但并非绝对确定。 G1根据先前收集的数据，估算在用户指定的目标时间内可以收集多少个区域。因此，收集器具有收集区域成本的合理准确的模型，并且收集器使用此模型来确定要收集哪些和多少个区域，同时保持在暂停时间目标之内。</p>
+<p>注意：G1同时具有并发（与应用程序线程一起运行，例如优化，标记，清理）和并行（多线程，例如stw）阶段。Full GC仍然是单线程的，但是如果正确调优，您的应用程序应该可以避免Full GC。</p>
+<p>在前面那篇中在代码层面简单的了解了这个可预测时间的过程，这也是 G1 的一大特点。</p>
 
       
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+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2020/02/01/2019%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/">
 
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+            <a href="/2020/02/01/2019%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" class="post-title-link" itemprop="url">2019年终总结</a>
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+              
 
-              <time title="Created: 2020-01-22 21:51:30" itemprop="dateCreated datePublished" datetime="2020-01-22T21:51:30+08:00">2020-01-22</time>
+              <time title="Created: 2020-02-01 22:23:53 / Modified: 22:41:22" itemprop="dateCreated datePublished" datetime="2020-02-01T22:23:53+08:00">2020-02-01</time>
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-                <time title="Modified: 2020-01-26 21:39:57" itemprop="dateModified" datetime="2020-01-26T21:39:57+08:00">2020-01-26</time>
-              </span>
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-                  <a href="/categories/Redis/" itemprop="url" rel="index"><span itemprop="name">Redis</span></a>
-                </span>
-                  , 
-                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/Redis/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" itemprop="url" rel="index"><span itemprop="name">数据结构</span></a>
-                </span>
-                  , 
-                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/C/" itemprop="url" rel="index"><span itemprop="name">C</span></a>
+                  <a href="/categories/%E7%94%9F%E6%B4%BB/" itemprop="url" rel="index"><span itemprop="name">生活</span></a>
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-                  <a href="/categories/Redis/%E6%BA%90%E7%A0%81/" itemprop="url" rel="index"><span itemprop="name">源码</span></a>
+                  <a href="/categories/%E7%94%9F%E6%B4%BB/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" itemprop="url" rel="index"><span itemprop="name">年终总结</span></a>
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-                  <a href="/categories/C/Redis/" itemprop="url" rel="index"><span itemprop="name">Redis</span></a>
+                  <a href="/categories/%E7%94%9F%E6%B4%BB/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/2019/" itemprop="url" rel="index"><span itemprop="name">2019</span></a>
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+            <span id="/2020/02/01/2019%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" class="post-meta-item leancloud_visitors" data-flag-title="2019年终总结" title="Views">
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-          <p>这应该是 redis 系列的最后一篇了，讲下快表，其实最前面讲的链表在早先的 redis 版本中也作为 list 的数据结构使用过，但是单纯的链表的缺陷之前也说了，插入便利，但是空间利用率低，并且不能进行二分查找等，检索效率低，ziplist 压缩表的产生也是同理，希望获得更好的性能，包括存储空间和访问性能等，原来我也不懂这个快表要怎么快，然后明白了一个道理，其实并没有什么银弹，只是大牛们会在适合的时候使用最适合的数据结构来实现性能的最大化，这里面有一招就是不同数据结构的组合调整，比如 Java 中的 HashMap，在链表节点数大于 8 时会转变成红黑树，以此提高访问效率，不费话了，回到快表，quicklist，这个数据结构主要使用在 list 类型中，如果我说其实这个 quicklist 就是个链表，可能大家不太会相信，但是事实上的确可以认为 quicklist 是个双向链表，看下代码</p>
-<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/* quicklistNode is a 32 byte struct describing a ziplist for a quicklist.</span></span><br><span class="line"><span class="comment"> * We use bit fields keep the quicklistNode at 32 bytes.</span></span><br><span class="line"><span class="comment"> * count: 16 bits, max 65536 (max zl bytes is 65k, so max count actually &lt; 32k).</span></span><br><span class="line"><span class="comment"> * encoding: 2 bits, RAW=1, LZF=2.</span></span><br><span class="line"><span class="comment"> * container: 2 bits, NONE=1, ZIPLIST=2.</span></span><br><span class="line"><span class="comment"> * recompress: 1 bit, bool, true if node is temporarry decompressed for usage.</span></span><br><span class="line"><span class="comment"> * attempted_compress: 1 bit, boolean, used for verifying during testing.</span></span><br><span class="line"><span class="comment"> * extra: 10 bits, free for future use; pads out the remainder of 32 bits */</span></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">quicklistNode</span> &#123;</span></span><br><span class="line">    <span class="class"><span class="keyword">struct</span> <span class="title">quicklistNode</span> *<span class="title">prev</span>;</span></span><br><span class="line">    <span class="class"><span class="keyword">struct</span> <span class="title">quicklistNode</span> *<span class="title">next</span>;</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">char</span> *zl;</span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> sz;             <span class="comment">/* ziplist size in bytes */</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> count : <span class="number">16</span>;     <span class="comment">/* count of items in ziplist */</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> encoding : <span class="number">2</span>;   <span class="comment">/* RAW==1 or LZF==2 */</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> container : <span class="number">2</span>;  <span class="comment">/* NONE==1 or ZIPLIST==2 */</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> recompress : <span class="number">1</span>; <span class="comment">/* was this node previous compressed? */</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> attempted_compress : <span class="number">1</span>; <span class="comment">/* node can't compress; too small */</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> extra : <span class="number">10</span>; <span class="comment">/* more bits to steal for future usage */</span></span><br><span class="line">&#125; quicklistNode;</span><br><span class="line"></span><br><span class="line"><span class="comment">/* quicklistLZF is a 4+N byte struct holding 'sz' followed by 'compressed'.</span></span><br><span class="line"><span class="comment"> * 'sz' is byte length of 'compressed' field.</span></span><br><span class="line"><span class="comment"> * 'compressed' is LZF data with total (compressed) length 'sz'</span></span><br><span class="line"><span class="comment"> * <span class="doctag">NOTE:</span> uncompressed length is stored in quicklistNode-&gt;sz.</span></span><br><span class="line"><span class="comment"> * When quicklistNode-&gt;zl is compressed, node-&gt;zl points to a quicklistLZF */</span></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">quicklistLZF</span> &#123;</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> sz; <span class="comment">/* LZF size in bytes*/</span></span><br><span class="line">    <span class="keyword">char</span> compressed[];</span><br><span class="line">&#125; quicklistLZF;</span><br><span class="line"></span><br><span class="line"><span class="comment">/* quicklist is a 40 byte struct (on 64-bit systems) describing a quicklist.</span></span><br><span class="line"><span class="comment"> * 'count' is the number of total entries.</span></span><br><span class="line"><span class="comment"> * 'len' is the number of quicklist nodes.</span></span><br><span class="line"><span class="comment"> * 'compress' is: -1 if compression disabled, otherwise it's the number</span></span><br><span class="line"><span class="comment"> *                of quicklistNodes to leave uncompressed at ends of quicklist.</span></span><br><span class="line"><span class="comment"> * 'fill' is the user-requested (or default) fill factor. */</span></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">quicklist</span> &#123;</span></span><br><span class="line">    quicklistNode *head;</span><br><span class="line">    quicklistNode *tail;</span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> count;        <span class="comment">/* total count of all entries in all ziplists */</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> len;          <span class="comment">/* number of quicklistNodes */</span></span><br><span class="line">    <span class="keyword">int</span> <span class="built_in">fill</span> : <span class="number">16</span>;              <span class="comment">/* fill factor for individual nodes */</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> compress : <span class="number">16</span>; <span class="comment">/* depth of end nodes not to compress;0=off */</span></span><br><span class="line">&#125; quicklist;</span><br></pre></td></tr></table></figure>
-<p>粗略看下，quicklist 里有 head，tail, quicklistNode里有 prev，next 指针，是不是有链表的基本轮廓了，那么为啥这玩意要称为快表呢，快在哪，关键就在这个<code>unsigned char *zl;</code>zl 是不是前面又看到过，就是 ziplist ，这是什么鬼，链表里用压缩表，这不套娃么，先别急，回顾下前面说的 ziplist，ziplist 有哪些特点，内存利用率高，可以从表头快速定位到尾节点，节点可以从后往前找，但是有个缺点，就是从中间插入的效率比较低，需要整体往后移，这个其实是普通数组的优化版，但还是有数组的一些劣势，所以要真的快，是不是可以将链表跟数组真的结合起来。</p>
-<h2 id="ziplist"><a href="#ziplist" class="headerlink" title="ziplist"></a>ziplist</h2><p>这里有两个 redis 的配置参数，<code>list-max-ziplist-size</code> 和 <code>list-compress-depth</code>，先来说第一个，既然快表是将链表跟压缩表数组结合起来使用，那么具体怎么用呢，比如我有一个 10 个元素的 list，那具体怎么放，每个 quicklistNode 里放多大的 ziplist，假如每个快表节点的 ziplist 只放一个元素，那么其实这就退化成了一个链表，如果 10 个元素放在一个 quicklistNode 的 ziplist 里，那就退化成了一个 ziplist，所以有了这个 <code>list-max-ziplist-size</code>,而且它还比较牛，能取正负值，当是正值时，对应的就是每个 quicklistNode 的 ziplist 中的元素个数，比如配置了 <code>list-max-ziplist-size = 5</code>，那么我刚才的 10 个元素的 list 就是一个两个 quicklistNode 组成的快表，每个 quicklistNode 中的 ziplist 包含了五个元素，当 <code>list-max-ziplist-size</code>取负值的时候，它限制了 ziplist 的字节数</p>
-<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br></pre></td><td class="code"><pre><span class="line">size_t offset &#x3D; (-fill) - 1;</span><br><span class="line">if (offset &lt; (sizeof(optimization_level) &#x2F; sizeof(*optimization_level))) &#123;</span><br><span class="line">    if (sz &lt;&#x3D; optimization_level[offset]) &#123;</span><br><span class="line">        return 1;</span><br><span class="line">    &#125; else &#123;</span><br><span class="line">        return 0;</span><br><span class="line">    &#125;</span><br><span class="line">&#125; else &#123;</span><br><span class="line">    return 0;</span><br><span class="line">&#125;</span><br><span class="line"></span><br><span class="line">&#x2F;* Optimization levels for size-based filling *&#x2F;</span><br><span class="line">static const size_t optimization_level[] &#x3D; &#123;4096, 8192, 16384, 32768, 65536&#125;;</span><br><span class="line"></span><br><span class="line">&#x2F;* Create a new quicklist.</span><br><span class="line"> * Free with quicklistRelease(). *&#x2F;</span><br><span class="line">quicklist *quicklistCreate(void) &#123;</span><br><span class="line">    struct quicklist *quicklist;</span><br><span class="line"></span><br><span class="line">    quicklist &#x3D; zmalloc(sizeof(*quicklist));</span><br><span class="line">    quicklist-&gt;head &#x3D; quicklist-&gt;tail &#x3D; NULL;</span><br><span class="line">    quicklist-&gt;len &#x3D; 0;</span><br><span class="line">    quicklist-&gt;count &#x3D; 0;</span><br><span class="line">    quicklist-&gt;compress &#x3D; 0;</span><br><span class="line">    quicklist-&gt;fill &#x3D; -2;</span><br><span class="line">    return quicklist;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
-<p>这个 fill 就是传进来的 <code>list-max-ziplist-size</code>, 具体对应的就是</p>
-<ul>
-<li>-5: 每个quicklist节点上的ziplist大小不能超过64 Kb。（注：1kb =&gt; 1024 bytes）</li>
-<li>-4: 每个quicklist节点上的ziplist大小不能超过32 Kb。</li>
-<li>-3: 每个quicklist节点上的ziplist大小不能超过16 Kb。</li>
-<li>-2: 每个quicklist节点上的ziplist大小不能超过8 Kb。（-2是Redis给出的默认值）也就是上面的 <code>quicklist-&gt;fill = -2;</code></li>
-<li>-1: 每个quicklist节点上的ziplist大小不能超过4 Kb。</li>
-</ul>
-<h2 id="压缩"><a href="#压缩" class="headerlink" title="压缩"></a>压缩</h2><p><code>list-compress-depth</code>这个参数呢是用来配置压缩的，等等压缩是为啥，不是里面已经是压缩表了么，大牛们就是为了性能殚精竭虑，这里考虑到的是一个场景，一般状况下，list 都是两端的访问频率比较高，那么是不是可以对中间的数据进行压缩，那么这个参数就是用来表示</p>
-<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">&#x2F;* depth of end nodes not to compress;0&#x3D;off *&#x2F;</span><br></pre></td></tr></table></figure>
+          <p>今天是农历初八了，年前一个月的时候就准备做下今年的年终总结，可是写了一点觉得太情绪化了，希望后面写个平淡点的，正好最近技术方面还没有看到一个完整成文的内容，就来写一下这一年的总结，尽量少写一点太情绪化的东西。</p>
+<h3 id="跳槽"><a href="#跳槽" class="headerlink" title="跳槽"></a>跳槽</h3><p>年初换了个公司，也算换了个环境，跟前公司不太一样，做的事情方向也不同，可能是侧重点不同，一开始有些不适应，主要是压力上，会觉得压力比较大，但是总体来说与人相处的部分还是不错的，做的技术方向还是Java，这里也感谢前东家让我有机会转了Java，个人感觉杭州整个市场还是Java比较有优势，不过在开始的时候总觉得对Java有点不适应，应该值得深究的东西还是很多的，而且对于面试来说，也是有很多可以问的，后面慢慢发现除开某里等一线超一线互联网公司之外，大部分的面试还是有大概的套路跟大纲的，不过更细致的则因人而异了，面试有时候也还看缘分，面试官关注的点跟应试者比较契合的话就很容易通过面试，不然的话总会有能刁难或者理性化地说比较难回答的问题。这个后面可以单独说一下，先按下不表。<br>刚进公司没多久就负责比较重要的项目，工期也比较紧张，整体来说那段时间的压力的确是比较大的，不过总算最后结果不坏，这里应该说对一些原来在前东家都是掌握的不太好的部分，比如maven，其实maven对于java程序员来说还是很重要的，但是我碰到过的面试基本没问过这个，我自己也在后面的面试中没问过相关的，不知道咋问，比如dependence分析、冲突解决，比如对bean的理解，这个算是我一直以来的疑问点，因为以前刚开始学Java学spring，上来就是bean，但是bean到底是啥，IOC是啥，可能网上的文章跟大多数书籍跟我的理解思路不太match，导致一直不能很好的理解这玩意，到后面才理解，要理解这个bean，需要有两个基本概念，一个是面向对象，一个是对象容器跟依赖反转，还是只说到这，后面可以有专题说一下，总之自认为技术上有了不小的长进了，方向上应该是偏实用的。这个重要的项目完成后慢慢能喘口气了，后面也有一些比较紧急且工作量大的，不过在我TL的帮助下还是能尽量协调好资源。</p>
+<h3 id="面试"><a href="#面试" class="headerlink" title="面试"></a>面试</h3><p>后面因为项目比较多，缺少开发，所以也参与帮忙做一些面试，这里总体感觉是面的候选人还是比较多样的，有些工作了蛮多年但是一些基础问题回答的不好，有些还是在校学生，但是面试技巧不错，针对常见的面试题都有不错的准备，不过还是觉得光靠这些面试题不能完全说明问题，真正工作了需要的是解决问题的人，而不是会背题的，退一步来说能好好准备面试还是比较重要的，也是双向选择中的基本尊重，印象比较深刻的是参加了去杭州某高校的校招面试，感觉参加校招的同学还是很多的，大部分是20年将毕业的研究生，挺多都是基础很扎实，对比起我刚要毕业时还是很汗颜，挺多来面试的同学都非常不错，那天强度也很大，从下午到那开始一直面到六七点，在这祝福那些来面试的同学，也都不容易的，能找到心仪的工作。</p>
+<h3 id="技术方向"><a href="#技术方向" class="headerlink" title="技术方向"></a>技术方向</h3><p>这一年前大半部分还是比较焦虑不能恢复那种主动找时间学习的状态，可能换了公司是主要的原因，初期有个适应的过程也比较正常，总体来说可能是到九十月份开始慢慢有所改善，对这些方面有学习了下，</p>
 <ul>
-<li>0，代表不压缩，默认值</li>
-<li>1，两端各一个节点不压缩</li>
-<li>2，两端各两个节点不压缩</li>
-<li>… 依次类推<br>压缩后的 ziplist 就会变成 quicklistLZF，然后替换 zl 指针，这里使用的是 <a href="http://oldhome.schmorp.de/marc/liblzf.html" target="_blank" rel="noopener">LZF</a> 压缩算法，压缩后的 quicklistLZF 中的 compressed 也是个柔性数组，压缩后的 ziplist 整个就放进这个柔性数组</li>
+<li>spring方向，spring真的是个庞然大物，但是还是要先抓住根本，慢慢发散去了解其他的细节，抓住bean的生命周期，当然也不是死记硬背，让我一个个背下来我也不行，但是知道它究竟是干嘛的，有啥用，并且在工作中能用起来是最重要的</li>
+<li>mysql数据库，这部分主要是关注了mvcc，知道了个大概，源码实现细节还没具体研究，有时间可以来个专题（一大堆待写的内容）</li>
+<li>java的一些源码，比如aqs这种，结合文章看了下源码，一开始总感觉静不下心来看，然后有一次被LD刺激了下就看完了，包括conditionObject等</li>
+<li>redis的源码，这里包括了Redis分布式锁和redis的数据结构源码，已经写成文章，不过比较着急成文，所以质量不是特别好，希望后面再来补补</li>
+<li>jvm源码，这部分正好是想了解下g1收集器，大概把周志明的书看完了，但是还没完整的理解掌握，还有就是g1收集器的部分，一是概念部分大概理解了，后面是就是想从源码层面去学习理解，这也是新一年的主要计划</li>
+<li>mq的部分是了解了zero copy，sendfile等，跟消息队列主题关系不大🤦‍♂️<br>这么看还是学了点东西的，希望新一年再接再厉。</li>
 </ul>
-<h2 id="插入过程"><a href="#插入过程" class="headerlink" title="插入过程"></a>插入过程</h2><p>简单说下插入元素的过程</p>
-<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br><span class="line">92</span><br><span class="line">93</span><br><span class="line">94</span><br><span class="line">95</span><br><span class="line">96</span><br><span class="line">97</span><br><span class="line">98</span><br><span class="line">99</span><br><span class="line">100</span><br><span class="line">101</span><br><span class="line">102</span><br><span class="line">103</span><br><span class="line">104</span><br><span class="line">105</span><br><span class="line">106</span><br><span class="line">107</span><br></pre></td><td class="code"><pre><span class="line">&#x2F;* Wrapper to allow argument-based switching between HEAD&#x2F;TAIL pop *&#x2F;</span><br><span class="line">void quicklistPush(quicklist *quicklist, void *value, const size_t sz,</span><br><span class="line">                   int where) &#123;</span><br><span class="line">    if (where &#x3D;&#x3D; QUICKLIST_HEAD) &#123;</span><br><span class="line">        quicklistPushHead(quicklist, value, sz);</span><br><span class="line">    &#125; else if (where &#x3D;&#x3D; QUICKLIST_TAIL) &#123;</span><br><span class="line">        quicklistPushTail(quicklist, value, sz);</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br><span class="line"></span><br><span class="line">&#x2F;* Add new entry to head node of quicklist.</span><br><span class="line"> *</span><br><span class="line"> * Returns 0 if used existing head.</span><br><span class="line"> * Returns 1 if new head created. *&#x2F;</span><br><span class="line">int quicklistPushHead(quicklist *quicklist, void *value, size_t sz) &#123;</span><br><span class="line">    quicklistNode *orig_head &#x3D; quicklist-&gt;head;</span><br><span class="line">    if (likely(</span><br><span class="line">            _quicklistNodeAllowInsert(quicklist-&gt;head, quicklist-&gt;fill, sz))) &#123;</span><br><span class="line">        quicklist-&gt;head-&gt;zl &#x3D;</span><br><span class="line">            ziplistPush(quicklist-&gt;head-&gt;zl, value, sz, ZIPLIST_HEAD);</span><br><span class="line">        quicklistNodeUpdateSz(quicklist-&gt;head);</span><br><span class="line">    &#125; else &#123;</span><br><span class="line">        quicklistNode *node &#x3D; quicklistCreateNode();</span><br><span class="line">        node-&gt;zl &#x3D; ziplistPush(ziplistNew(), value, sz, ZIPLIST_HEAD);</span><br><span class="line"></span><br><span class="line">        quicklistNodeUpdateSz(node);</span><br><span class="line">        _quicklistInsertNodeBefore(quicklist, quicklist-&gt;head, node);</span><br><span class="line">    &#125;</span><br><span class="line">    quicklist-&gt;count++;</span><br><span class="line">    quicklist-&gt;head-&gt;count++;</span><br><span class="line">    return (orig_head !&#x3D; quicklist-&gt;head);</span><br><span class="line">&#125;</span><br><span class="line"></span><br><span class="line">&#x2F;* Add new entry to tail node of quicklist.</span><br><span class="line"> *</span><br><span class="line"> * Returns 0 if used existing tail.</span><br><span class="line"> * Returns 1 if new tail created. *&#x2F;</span><br><span class="line">int quicklistPushTail(quicklist *quicklist, void *value, size_t sz) &#123;</span><br><span class="line">    quicklistNode *orig_tail &#x3D; quicklist-&gt;tail;</span><br><span class="line">    if (likely(</span><br><span class="line">            _quicklistNodeAllowInsert(quicklist-&gt;tail, quicklist-&gt;fill, sz))) &#123;</span><br><span class="line">        quicklist-&gt;tail-&gt;zl &#x3D;</span><br><span class="line">            ziplistPush(quicklist-&gt;tail-&gt;zl, value, sz, ZIPLIST_TAIL);</span><br><span class="line">        quicklistNodeUpdateSz(quicklist-&gt;tail);</span><br><span class="line">    &#125; else &#123;</span><br><span class="line">        quicklistNode *node &#x3D; quicklistCreateNode();</span><br><span class="line">        node-&gt;zl &#x3D; ziplistPush(ziplistNew(), value, sz, ZIPLIST_TAIL);</span><br><span class="line"></span><br><span class="line">        quicklistNodeUpdateSz(node);</span><br><span class="line">        _quicklistInsertNodeAfter(quicklist, quicklist-&gt;tail, node);</span><br><span class="line">    &#125;</span><br><span class="line">    quicklist-&gt;count++;</span><br><span class="line">    quicklist-&gt;tail-&gt;count++;</span><br><span class="line">    return (orig_tail !&#x3D; quicklist-&gt;tail);</span><br><span class="line">&#125;</span><br><span class="line"></span><br><span class="line">&#x2F;* Wrappers for node inserting around existing node. *&#x2F;</span><br><span class="line">REDIS_STATIC void _quicklistInsertNodeBefore(quicklist *quicklist,</span><br><span class="line">                                             quicklistNode *old_node,</span><br><span class="line">                                             quicklistNode *new_node) &#123;</span><br><span class="line">    __quicklistInsertNode(quicklist, old_node, new_node, 0);</span><br><span class="line">&#125;</span><br><span class="line"></span><br><span class="line">REDIS_STATIC void _quicklistInsertNodeAfter(quicklist *quicklist,</span><br><span class="line">                                            quicklistNode *old_node,</span><br><span class="line">                                            quicklistNode *new_node) &#123;</span><br><span class="line">    __quicklistInsertNode(quicklist, old_node, new_node, 1);</span><br><span class="line">&#125;</span><br><span class="line"></span><br><span class="line">&#x2F;* Insert &#39;new_node&#39; after &#39;old_node&#39; if &#39;after&#39; is 1.</span><br><span class="line"> * Insert &#39;new_node&#39; before &#39;old_node&#39; if &#39;after&#39; is 0.</span><br><span class="line"> * Note: &#39;new_node&#39; is *always* uncompressed, so if we assign it to</span><br><span class="line"> *       head or tail, we do not need to uncompress it. *&#x2F;</span><br><span class="line">REDIS_STATIC void __quicklistInsertNode(quicklist *quicklist,</span><br><span class="line">                                        quicklistNode *old_node,</span><br><span class="line">                                        quicklistNode *new_node, int after) &#123;</span><br><span class="line">    if (after) &#123;</span><br><span class="line">        new_node-&gt;prev &#x3D; old_node;</span><br><span class="line">        if (old_node) &#123;</span><br><span class="line">            new_node-&gt;next &#x3D; old_node-&gt;next;</span><br><span class="line">            if (old_node-&gt;next)</span><br><span class="line">                old_node-&gt;next-&gt;prev &#x3D; new_node;</span><br><span class="line">            old_node-&gt;next &#x3D; new_node;</span><br><span class="line">        &#125;</span><br><span class="line">        if (quicklist-&gt;tail &#x3D;&#x3D; old_node)</span><br><span class="line">            quicklist-&gt;tail &#x3D; new_node;</span><br><span class="line">    &#125; else &#123;</span><br><span class="line">        new_node-&gt;next &#x3D; old_node;</span><br><span class="line">        if (old_node) &#123;</span><br><span class="line">            new_node-&gt;prev &#x3D; old_node-&gt;prev;</span><br><span class="line">            if (old_node-&gt;prev)</span><br><span class="line">                old_node-&gt;prev-&gt;next &#x3D; new_node;</span><br><span class="line">            old_node-&gt;prev &#x3D; new_node;</span><br><span class="line">        &#125;</span><br><span class="line">        if (quicklist-&gt;head &#x3D;&#x3D; old_node)</span><br><span class="line">            quicklist-&gt;head &#x3D; new_node;</span><br><span class="line">    &#125;</span><br><span class="line">    &#x2F;* If this insert creates the only element so far, initialize head&#x2F;tail. *&#x2F;</span><br><span class="line">    if (quicklist-&gt;len &#x3D;&#x3D; 0) &#123;</span><br><span class="line">        quicklist-&gt;head &#x3D; quicklist-&gt;tail &#x3D; new_node;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    if (old_node)</span><br><span class="line">        quicklistCompress(quicklist, old_node);</span><br><span class="line"></span><br><span class="line">    quicklist-&gt;len++;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
-<p>前面第一步先根据插入的是头还是尾选择不同的 push 函数，quicklistPushHead 或者 quicklistPushTail，举例分析下从头插入的 quicklistPushHead，先判断当前的 quicklistNode 节点还能不能允许再往 ziplist 里添加元素，如果可以就添加，如果不允许就新建一个 quicklistNode，然后调用 _quicklistInsertNodeBefore 将节点插进去，具体插入quicklist节点的操作类似链表的插入。</p>
+<h3 id="生活"><a href="#生活" class="headerlink" title="生活"></a>生活</h3><p>住的地方没变化，主要是周边设施比较方便，暂时没找到更好的就没打算换，主要的问题是没电梯，一开始没觉得有啥，真正住起来还是觉得比较累的，希望后面租的可以有电梯，或者楼层低一点，还有就是要通下水道，第一次让师傅上门，花了两百大洋，后来自学成才了，让师傅通了一次才撑了一个月就不行了，后面自己通的差不多可以撑半年，还是比较有成就感的😀，然后就是跑步了，年初的时候去了紫金港跑步，后面因为工作的原因没去了，但是公司的跑步机倒是让我重拾起这个唯一的运动健身项目，后面因为肠胃问题，体重也需要控制，所以就周末回来也在家这边坚持跑步，下半年的话基本保持每周一次以上，比较那些跑马拉松的大牛还是差距很大，不过也是突破自我了，有一次跑了12公里，最远的距离，而且后面感觉跑十公里也不是特别吃不消了，这一年达成了300公里的目标，体重也稍有下降，比较满意的结果。</p>
+<h3 id="期待"><a href="#期待" class="headerlink" title="期待"></a>期待</h3><p>希望工作方面技术方面能有所长进，生活上能多点时间陪家人，继续跑步减肥，家人健健康康的，嗯</p>
 
       
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@@ -452,7 +428,7 @@
   
   
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-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2020/01/20/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E4%BA%94/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2020/01/22/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E5%85%AD/">
 
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       <meta itemprop="image" content="/uploads/avatar.jpg">
@@ -466,7 +442,7 @@
       <header class="post-header">
         <h2 class="post-title" itemprop="name headline">
           
-            <a href="/2020/01/20/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E4%BA%94/" class="post-title-link" itemprop="url">redis数据结构介绍五-第五部分 对象</a>
+            <a href="/2020/01/22/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E5%85%AD/" class="post-title-link" itemprop="url">redis数据结构介绍六 快表</a>
         </h2>
 
         <div class="post-meta">
@@ -476,8 +452,15 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2020-01-20 01:02:48" itemprop="dateCreated datePublished" datetime="2020-01-20T01:02:48+08:00">2020-01-20</time>
+              <time title="Created: 2020-01-22 21:51:30" itemprop="dateCreated datePublished" datetime="2020-01-22T21:51:30+08:00">2020-01-22</time>
             </span>
+              <span class="post-meta-item">
+                <span class="post-meta-item-icon">
+                  <i class="far fa-calendar-check"></i>
+                </span>
+                <span class="post-meta-item-text">Edited on</span>
+                <time title="Modified: 2020-01-26 21:39:57" itemprop="dateModified" datetime="2020-01-26T21:39:57+08:00">2020-01-26</time>
+              </span>
             <span class="post-meta-item">
               <span class="post-meta-item-icon">
                 <i class="far fa-folder"></i>
@@ -505,7 +488,7 @@
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-            <span id="/2020/01/20/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E4%BA%94/" class="post-meta-item leancloud_visitors" data-flag-title="redis数据结构介绍五-第五部分 对象" title="Views">
+            <span id="/2020/01/22/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E5%85%AD/" class="post-meta-item leancloud_visitors" data-flag-title="redis数据结构介绍六 快表" title="Views">
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                 <i class="fa fa-eye"></i>
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@@ -520,8 +503,8 @@
       </span>
       <span class="post-meta-item-text">Disqus: </span>
     
-    <a title="disqus" href="/2020/01/20/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E4%BA%94/#disqus_thread" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2020/01/20/redis数据结构介绍五/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2020/01/22/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E5%85%AD/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2020/01/22/redis数据结构介绍六/" itemprop="commentCount"></span>
     </a>
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@@ -536,16 +519,30 @@
     <div class="post-body" itemprop="articleBody">
 
       
-          <p>前面说了这么些数据结构，其实大家对于 redis 最初的印象应该就是个 key-value 的缓存，类似于 memcache，redis 其实也是个 key-value，key 还是一样的字符串，或者说就是用 redis 自己的动态字符串实现，但是 value 其实就是前面说的那些数据结构，差不多快说完了，还有个 quicklist 后面还有一篇，这里先介绍下 redis 对于这些不同类型的 value 是怎么实现的，首先看下 redisObject 的源码头文件</p>
-<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/* The actual Redis Object */</span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_STRING 0    <span class="comment">/* String object. */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_LIST 1      <span class="comment">/* List object. */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_SET 2       <span class="comment">/* Set object. */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ZSET 3      <span class="comment">/* Sorted set object. */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_HASH 4      <span class="comment">/* Hash object. */</span></span></span><br><span class="line"><span class="comment">/*</span></span><br><span class="line"><span class="comment"> * Objects encoding. Some kind of objects like Strings and Hashes can be</span></span><br><span class="line"><span class="comment"> * internally represented in multiple ways. The 'encoding' field of the object</span></span><br><span class="line"><span class="comment"> * is set to one of this fields for this object. */</span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_RAW 0     <span class="comment">/* Raw representation */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_INT 1     <span class="comment">/* Encoded as integer */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_HT 2      <span class="comment">/* Encoded as hash table */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_ZIPMAP 3  <span class="comment">/* Encoded as zipmap */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_LINKEDLIST 4 <span class="comment">/* No longer used: old list encoding. */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_ZIPLIST 5 <span class="comment">/* Encoded as ziplist */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_INTSET 6  <span class="comment">/* Encoded as intset */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_SKIPLIST 7  <span class="comment">/* Encoded as skiplist */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_EMBSTR 8  <span class="comment">/* Embedded sds string encoding */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_QUICKLIST 9 <span class="comment">/* Encoded as linked list of ziplists */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_STREAM 10 <span class="comment">/* Encoded as a radix tree of listpacks */</span></span></span><br><span class="line"></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> LRU_BITS 24</span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> LRU_CLOCK_MAX ((1<span class="meta-string">&lt;&lt;LRU_BITS)-1) /* Max value of obj-&gt;lru */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> LRU_CLOCK_RESOLUTION 1000 <span class="comment">/* LRU clock resolution in ms */</span></span></span><br><span class="line"></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_SHARED_REFCOUNT INT_MAX</span></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">redisObject</span> &#123;</span></span><br><span class="line">    <span class="keyword">unsigned</span> type:<span class="number">4</span>;</span><br><span class="line">    <span class="keyword">unsigned</span> encoding:<span class="number">4</span>;</span><br><span class="line">    <span class="keyword">unsigned</span> lru:LRU_BITS; <span class="comment">/* LRU time (relative to global lru_clock) or</span></span><br><span class="line"><span class="comment">                            * LFU data (least significant 8 bits frequency</span></span><br><span class="line"><span class="comment">                            * and most significant 16 bits access time). */</span></span><br><span class="line">    <span class="keyword">int</span> refcount;</span><br><span class="line">    <span class="keyword">void</span> *ptr;</span><br><span class="line">&#125; robj;</span><br></pre></td></tr></table></figure>
-<p>主体结构就是这个 redisObject，</p>
+          <p>这应该是 redis 系列的最后一篇了，讲下快表，其实最前面讲的链表在早先的 redis 版本中也作为 list 的数据结构使用过，但是单纯的链表的缺陷之前也说了，插入便利，但是空间利用率低，并且不能进行二分查找等，检索效率低，ziplist 压缩表的产生也是同理，希望获得更好的性能，包括存储空间和访问性能等，原来我也不懂这个快表要怎么快，然后明白了一个道理，其实并没有什么银弹，只是大牛们会在适合的时候使用最适合的数据结构来实现性能的最大化，这里面有一招就是不同数据结构的组合调整，比如 Java 中的 HashMap，在链表节点数大于 8 时会转变成红黑树，以此提高访问效率，不费话了，回到快表，quicklist，这个数据结构主要使用在 list 类型中，如果我说其实这个 quicklist 就是个链表，可能大家不太会相信，但是事实上的确可以认为 quicklist 是个双向链表，看下代码</p>
+<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/* quicklistNode is a 32 byte struct describing a ziplist for a quicklist.</span></span><br><span class="line"><span class="comment"> * We use bit fields keep the quicklistNode at 32 bytes.</span></span><br><span class="line"><span class="comment"> * count: 16 bits, max 65536 (max zl bytes is 65k, so max count actually &lt; 32k).</span></span><br><span class="line"><span class="comment"> * encoding: 2 bits, RAW=1, LZF=2.</span></span><br><span class="line"><span class="comment"> * container: 2 bits, NONE=1, ZIPLIST=2.</span></span><br><span class="line"><span class="comment"> * recompress: 1 bit, bool, true if node is temporarry decompressed for usage.</span></span><br><span class="line"><span class="comment"> * attempted_compress: 1 bit, boolean, used for verifying during testing.</span></span><br><span class="line"><span class="comment"> * extra: 10 bits, free for future use; pads out the remainder of 32 bits */</span></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">quicklistNode</span> &#123;</span></span><br><span class="line">    <span class="class"><span class="keyword">struct</span> <span class="title">quicklistNode</span> *<span class="title">prev</span>;</span></span><br><span class="line">    <span class="class"><span class="keyword">struct</span> <span class="title">quicklistNode</span> *<span class="title">next</span>;</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">char</span> *zl;</span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> sz;             <span class="comment">/* ziplist size in bytes */</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> count : <span class="number">16</span>;     <span class="comment">/* count of items in ziplist */</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> encoding : <span class="number">2</span>;   <span class="comment">/* RAW==1 or LZF==2 */</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> container : <span class="number">2</span>;  <span class="comment">/* NONE==1 or ZIPLIST==2 */</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> recompress : <span class="number">1</span>; <span class="comment">/* was this node previous compressed? */</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> attempted_compress : <span class="number">1</span>; <span class="comment">/* node can't compress; too small */</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> extra : <span class="number">10</span>; <span class="comment">/* more bits to steal for future usage */</span></span><br><span class="line">&#125; quicklistNode;</span><br><span class="line"></span><br><span class="line"><span class="comment">/* quicklistLZF is a 4+N byte struct holding 'sz' followed by 'compressed'.</span></span><br><span class="line"><span class="comment"> * 'sz' is byte length of 'compressed' field.</span></span><br><span class="line"><span class="comment"> * 'compressed' is LZF data with total (compressed) length 'sz'</span></span><br><span class="line"><span class="comment"> * <span class="doctag">NOTE:</span> uncompressed length is stored in quicklistNode-&gt;sz.</span></span><br><span class="line"><span class="comment"> * When quicklistNode-&gt;zl is compressed, node-&gt;zl points to a quicklistLZF */</span></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">quicklistLZF</span> &#123;</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> sz; <span class="comment">/* LZF size in bytes*/</span></span><br><span class="line">    <span class="keyword">char</span> compressed[];</span><br><span class="line">&#125; quicklistLZF;</span><br><span class="line"></span><br><span class="line"><span class="comment">/* quicklist is a 40 byte struct (on 64-bit systems) describing a quicklist.</span></span><br><span class="line"><span class="comment"> * 'count' is the number of total entries.</span></span><br><span class="line"><span class="comment"> * 'len' is the number of quicklist nodes.</span></span><br><span class="line"><span class="comment"> * 'compress' is: -1 if compression disabled, otherwise it's the number</span></span><br><span class="line"><span class="comment"> *                of quicklistNodes to leave uncompressed at ends of quicklist.</span></span><br><span class="line"><span class="comment"> * 'fill' is the user-requested (or default) fill factor. */</span></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">quicklist</span> &#123;</span></span><br><span class="line">    quicklistNode *head;</span><br><span class="line">    quicklistNode *tail;</span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> count;        <span class="comment">/* total count of all entries in all ziplists */</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> len;          <span class="comment">/* number of quicklistNodes */</span></span><br><span class="line">    <span class="keyword">int</span> <span class="built_in">fill</span> : <span class="number">16</span>;              <span class="comment">/* fill factor for individual nodes */</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> compress : <span class="number">16</span>; <span class="comment">/* depth of end nodes not to compress;0=off */</span></span><br><span class="line">&#125; quicklist;</span><br></pre></td></tr></table></figure>
+<p>粗略看下，quicklist 里有 head，tail, quicklistNode里有 prev，next 指针，是不是有链表的基本轮廓了，那么为啥这玩意要称为快表呢，快在哪，关键就在这个<code>unsigned char *zl;</code>zl 是不是前面又看到过，就是 ziplist ，这是什么鬼，链表里用压缩表，这不套娃么，先别急，回顾下前面说的 ziplist，ziplist 有哪些特点，内存利用率高，可以从表头快速定位到尾节点，节点可以从后往前找，但是有个缺点，就是从中间插入的效率比较低，需要整体往后移，这个其实是普通数组的优化版，但还是有数组的一些劣势，所以要真的快，是不是可以将链表跟数组真的结合起来。</p>
+<h2 id="ziplist"><a href="#ziplist" class="headerlink" title="ziplist"></a>ziplist</h2><p>这里有两个 redis 的配置参数，<code>list-max-ziplist-size</code> 和 <code>list-compress-depth</code>，先来说第一个，既然快表是将链表跟压缩表数组结合起来使用，那么具体怎么用呢，比如我有一个 10 个元素的 list，那具体怎么放，每个 quicklistNode 里放多大的 ziplist，假如每个快表节点的 ziplist 只放一个元素，那么其实这就退化成了一个链表，如果 10 个元素放在一个 quicklistNode 的 ziplist 里，那就退化成了一个 ziplist，所以有了这个 <code>list-max-ziplist-size</code>,而且它还比较牛，能取正负值，当是正值时，对应的就是每个 quicklistNode 的 ziplist 中的元素个数，比如配置了 <code>list-max-ziplist-size = 5</code>，那么我刚才的 10 个元素的 list 就是一个两个 quicklistNode 组成的快表，每个 quicklistNode 中的 ziplist 包含了五个元素，当 <code>list-max-ziplist-size</code>取负值的时候，它限制了 ziplist 的字节数</p>
+<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br></pre></td><td class="code"><pre><span class="line">size_t offset &#x3D; (-fill) - 1;</span><br><span class="line">if (offset &lt; (sizeof(optimization_level) &#x2F; sizeof(*optimization_level))) &#123;</span><br><span class="line">    if (sz &lt;&#x3D; optimization_level[offset]) &#123;</span><br><span class="line">        return 1;</span><br><span class="line">    &#125; else &#123;</span><br><span class="line">        return 0;</span><br><span class="line">    &#125;</span><br><span class="line">&#125; else &#123;</span><br><span class="line">    return 0;</span><br><span class="line">&#125;</span><br><span class="line"></span><br><span class="line">&#x2F;* Optimization levels for size-based filling *&#x2F;</span><br><span class="line">static const size_t optimization_level[] &#x3D; &#123;4096, 8192, 16384, 32768, 65536&#125;;</span><br><span class="line"></span><br><span class="line">&#x2F;* Create a new quicklist.</span><br><span class="line"> * Free with quicklistRelease(). *&#x2F;</span><br><span class="line">quicklist *quicklistCreate(void) &#123;</span><br><span class="line">    struct quicklist *quicklist;</span><br><span class="line"></span><br><span class="line">    quicklist &#x3D; zmalloc(sizeof(*quicklist));</span><br><span class="line">    quicklist-&gt;head &#x3D; quicklist-&gt;tail &#x3D; NULL;</span><br><span class="line">    quicklist-&gt;len &#x3D; 0;</span><br><span class="line">    quicklist-&gt;count &#x3D; 0;</span><br><span class="line">    quicklist-&gt;compress &#x3D; 0;</span><br><span class="line">    quicklist-&gt;fill &#x3D; -2;</span><br><span class="line">    return quicklist;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+<p>这个 fill 就是传进来的 <code>list-max-ziplist-size</code>, 具体对应的就是</p>
 <ul>
-<li>type： 字段表示对象的类型，它对应的就是 redis 的对外暴露的，或者说用户可以使用的五种类型，OBJ_STRING, OBJ_LIST, OBJ_SET, OBJ_ZSET, OBJ_HASH</li>
-<li>encoding： 字段表示这个对象在 redis 内部的编码方式，由OBJ_ENCODING_开头的 11 种</li>
-<li>lru: 做LRU替换算法用，占24个bit</li>
-<li>refcount: 引用计数。它允许robj对象在某些情况下被共享。</li>
-<li>ptr: 指向底层实现数据结构的指针<br>当 type 是 OBJ_STRING 时，表示类型是个 string，它的编码方式 encoding 可能有 OBJ_ENCODING_RAW，OBJ_ENCODING_INT，OBJ_ENCODING_EMBSTR 三种<br>当 type 是 OBJ_LIST 时，表示类型是 list，它的编码方式 encoding 是 OBJ_ENCODING_QUICKLIST，对于早一些的版本，2.2这种可能还会使用 OBJ_ENCODING_ZIPLIST，OBJ_ENCODING_LINKEDLIST<br>当 type 是 OBJ_SET 时，是个集合，但是得看具体元素的类型，有可能使用整数集合，OBJ_ENCODING_INTSET, 如果元素不全是整型或者数量超过一定限制，那么编码就是 OBJ_ENCODING_HT hash table 了<br>当 type 是 OBJ_ZSET 时，是个有序集合，它底层有可能使用的是 OBJ_ENCODING_ZIPLIST 或者 OBJ_ENCODING_SKIPLIST<br>当 type 是 OBJ_HASH 时，一开始也是 OBJ_ENCODING_ZIPLIST，然后当数据量大于 hash_max_ziplist_entries 时会转成 OBJ_ENCODING_HT</li>
+<li>-5: 每个quicklist节点上的ziplist大小不能超过64 Kb。（注：1kb =&gt; 1024 bytes）</li>
+<li>-4: 每个quicklist节点上的ziplist大小不能超过32 Kb。</li>
+<li>-3: 每个quicklist节点上的ziplist大小不能超过16 Kb。</li>
+<li>-2: 每个quicklist节点上的ziplist大小不能超过8 Kb。（-2是Redis给出的默认值）也就是上面的 <code>quicklist-&gt;fill = -2;</code></li>
+<li>-1: 每个quicklist节点上的ziplist大小不能超过4 Kb。</li>
 </ul>
+<h2 id="压缩"><a href="#压缩" class="headerlink" title="压缩"></a>压缩</h2><p><code>list-compress-depth</code>这个参数呢是用来配置压缩的，等等压缩是为啥，不是里面已经是压缩表了么，大牛们就是为了性能殚精竭虑，这里考虑到的是一个场景，一般状况下，list 都是两端的访问频率比较高，那么是不是可以对中间的数据进行压缩，那么这个参数就是用来表示</p>
+<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">&#x2F;* depth of end nodes not to compress;0&#x3D;off *&#x2F;</span><br></pre></td></tr></table></figure>
+<ul>
+<li>0，代表不压缩，默认值</li>
+<li>1，两端各一个节点不压缩</li>
+<li>2，两端各两个节点不压缩</li>
+<li>… 依次类推<br>压缩后的 ziplist 就会变成 quicklistLZF，然后替换 zl 指针，这里使用的是 <a href="http://oldhome.schmorp.de/marc/liblzf.html" target="_blank" rel="noopener">LZF</a> 压缩算法，压缩后的 quicklistLZF 中的 compressed 也是个柔性数组，压缩后的 ziplist 整个就放进这个柔性数组</li>
+</ul>
+<h2 id="插入过程"><a href="#插入过程" class="headerlink" title="插入过程"></a>插入过程</h2><p>简单说下插入元素的过程</p>
+<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br><span class="line">92</span><br><span class="line">93</span><br><span class="line">94</span><br><span class="line">95</span><br><span class="line">96</span><br><span class="line">97</span><br><span class="line">98</span><br><span class="line">99</span><br><span class="line">100</span><br><span class="line">101</span><br><span class="line">102</span><br><span class="line">103</span><br><span class="line">104</span><br><span class="line">105</span><br><span class="line">106</span><br><span class="line">107</span><br></pre></td><td class="code"><pre><span class="line">&#x2F;* Wrapper to allow argument-based switching between HEAD&#x2F;TAIL pop *&#x2F;</span><br><span class="line">void quicklistPush(quicklist *quicklist, void *value, const size_t sz,</span><br><span class="line">                   int where) &#123;</span><br><span class="line">    if (where &#x3D;&#x3D; QUICKLIST_HEAD) &#123;</span><br><span class="line">        quicklistPushHead(quicklist, value, sz);</span><br><span class="line">    &#125; else if (where &#x3D;&#x3D; QUICKLIST_TAIL) &#123;</span><br><span class="line">        quicklistPushTail(quicklist, value, sz);</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br><span class="line"></span><br><span class="line">&#x2F;* Add new entry to head node of quicklist.</span><br><span class="line"> *</span><br><span class="line"> * Returns 0 if used existing head.</span><br><span class="line"> * Returns 1 if new head created. *&#x2F;</span><br><span class="line">int quicklistPushHead(quicklist *quicklist, void *value, size_t sz) &#123;</span><br><span class="line">    quicklistNode *orig_head &#x3D; quicklist-&gt;head;</span><br><span class="line">    if (likely(</span><br><span class="line">            _quicklistNodeAllowInsert(quicklist-&gt;head, quicklist-&gt;fill, sz))) &#123;</span><br><span class="line">        quicklist-&gt;head-&gt;zl &#x3D;</span><br><span class="line">            ziplistPush(quicklist-&gt;head-&gt;zl, value, sz, ZIPLIST_HEAD);</span><br><span class="line">        quicklistNodeUpdateSz(quicklist-&gt;head);</span><br><span class="line">    &#125; else &#123;</span><br><span class="line">        quicklistNode *node &#x3D; quicklistCreateNode();</span><br><span class="line">        node-&gt;zl &#x3D; ziplistPush(ziplistNew(), value, sz, ZIPLIST_HEAD);</span><br><span class="line"></span><br><span class="line">        quicklistNodeUpdateSz(node);</span><br><span class="line">        _quicklistInsertNodeBefore(quicklist, quicklist-&gt;head, node);</span><br><span class="line">    &#125;</span><br><span class="line">    quicklist-&gt;count++;</span><br><span class="line">    quicklist-&gt;head-&gt;count++;</span><br><span class="line">    return (orig_head !&#x3D; quicklist-&gt;head);</span><br><span class="line">&#125;</span><br><span class="line"></span><br><span class="line">&#x2F;* Add new entry to tail node of quicklist.</span><br><span class="line"> *</span><br><span class="line"> * Returns 0 if used existing tail.</span><br><span class="line"> * Returns 1 if new tail created. *&#x2F;</span><br><span class="line">int quicklistPushTail(quicklist *quicklist, void *value, size_t sz) &#123;</span><br><span class="line">    quicklistNode *orig_tail &#x3D; quicklist-&gt;tail;</span><br><span class="line">    if (likely(</span><br><span class="line">            _quicklistNodeAllowInsert(quicklist-&gt;tail, quicklist-&gt;fill, sz))) &#123;</span><br><span class="line">        quicklist-&gt;tail-&gt;zl &#x3D;</span><br><span class="line">            ziplistPush(quicklist-&gt;tail-&gt;zl, value, sz, ZIPLIST_TAIL);</span><br><span class="line">        quicklistNodeUpdateSz(quicklist-&gt;tail);</span><br><span class="line">    &#125; else &#123;</span><br><span class="line">        quicklistNode *node &#x3D; quicklistCreateNode();</span><br><span class="line">        node-&gt;zl &#x3D; ziplistPush(ziplistNew(), value, sz, ZIPLIST_TAIL);</span><br><span class="line"></span><br><span class="line">        quicklistNodeUpdateSz(node);</span><br><span class="line">        _quicklistInsertNodeAfter(quicklist, quicklist-&gt;tail, node);</span><br><span class="line">    &#125;</span><br><span class="line">    quicklist-&gt;count++;</span><br><span class="line">    quicklist-&gt;tail-&gt;count++;</span><br><span class="line">    return (orig_tail !&#x3D; quicklist-&gt;tail);</span><br><span class="line">&#125;</span><br><span class="line"></span><br><span class="line">&#x2F;* Wrappers for node inserting around existing node. *&#x2F;</span><br><span class="line">REDIS_STATIC void _quicklistInsertNodeBefore(quicklist *quicklist,</span><br><span class="line">                                             quicklistNode *old_node,</span><br><span class="line">                                             quicklistNode *new_node) &#123;</span><br><span class="line">    __quicklistInsertNode(quicklist, old_node, new_node, 0);</span><br><span class="line">&#125;</span><br><span class="line"></span><br><span class="line">REDIS_STATIC void _quicklistInsertNodeAfter(quicklist *quicklist,</span><br><span class="line">                                            quicklistNode *old_node,</span><br><span class="line">                                            quicklistNode *new_node) &#123;</span><br><span class="line">    __quicklistInsertNode(quicklist, old_node, new_node, 1);</span><br><span class="line">&#125;</span><br><span class="line"></span><br><span class="line">&#x2F;* Insert &#39;new_node&#39; after &#39;old_node&#39; if &#39;after&#39; is 1.</span><br><span class="line"> * Insert &#39;new_node&#39; before &#39;old_node&#39; if &#39;after&#39; is 0.</span><br><span class="line"> * Note: &#39;new_node&#39; is *always* uncompressed, so if we assign it to</span><br><span class="line"> *       head or tail, we do not need to uncompress it. *&#x2F;</span><br><span class="line">REDIS_STATIC void __quicklistInsertNode(quicklist *quicklist,</span><br><span class="line">                                        quicklistNode *old_node,</span><br><span class="line">                                        quicklistNode *new_node, int after) &#123;</span><br><span class="line">    if (after) &#123;</span><br><span class="line">        new_node-&gt;prev &#x3D; old_node;</span><br><span class="line">        if (old_node) &#123;</span><br><span class="line">            new_node-&gt;next &#x3D; old_node-&gt;next;</span><br><span class="line">            if (old_node-&gt;next)</span><br><span class="line">                old_node-&gt;next-&gt;prev &#x3D; new_node;</span><br><span class="line">            old_node-&gt;next &#x3D; new_node;</span><br><span class="line">        &#125;</span><br><span class="line">        if (quicklist-&gt;tail &#x3D;&#x3D; old_node)</span><br><span class="line">            quicklist-&gt;tail &#x3D; new_node;</span><br><span class="line">    &#125; else &#123;</span><br><span class="line">        new_node-&gt;next &#x3D; old_node;</span><br><span class="line">        if (old_node) &#123;</span><br><span class="line">            new_node-&gt;prev &#x3D; old_node-&gt;prev;</span><br><span class="line">            if (old_node-&gt;prev)</span><br><span class="line">                old_node-&gt;prev-&gt;next &#x3D; new_node;</span><br><span class="line">            old_node-&gt;prev &#x3D; new_node;</span><br><span class="line">        &#125;</span><br><span class="line">        if (quicklist-&gt;head &#x3D;&#x3D; old_node)</span><br><span class="line">            quicklist-&gt;head &#x3D; new_node;</span><br><span class="line">    &#125;</span><br><span class="line">    &#x2F;* If this insert creates the only element so far, initialize head&#x2F;tail. *&#x2F;</span><br><span class="line">    if (quicklist-&gt;len &#x3D;&#x3D; 0) &#123;</span><br><span class="line">        quicklist-&gt;head &#x3D; quicklist-&gt;tail &#x3D; new_node;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    if (old_node)</span><br><span class="line">        quicklistCompress(quicklist, old_node);</span><br><span class="line"></span><br><span class="line">    quicklist-&gt;len++;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+<p>前面第一步先根据插入的是头还是尾选择不同的 push 函数，quicklistPushHead 或者 quicklistPushTail，举例分析下从头插入的 quicklistPushHead，先判断当前的 quicklistNode 节点还能不能允许再往 ziplist 里添加元素，如果可以就添加，如果不允许就新建一个 quicklistNode，然后调用 _quicklistInsertNodeBefore 将节点插进去，具体插入quicklist节点的操作类似链表的插入。</p>
 
       
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@@ -567,7 +564,7 @@
   
   
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-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2020/01/19/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E5%9B%9B/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2020/01/20/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E4%BA%94/">
 
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-            <a href="/2020/01/19/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E5%9B%9B/" class="post-title-link" itemprop="url">redis数据结构介绍四-第四部分 压缩表</a>
+            <a href="/2020/01/20/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E4%BA%94/" class="post-title-link" itemprop="url">redis数据结构介绍五-第五部分 对象</a>
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@@ -591,7 +588,7 @@
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               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2020-01-19 00:00:22" itemprop="dateCreated datePublished" datetime="2020-01-19T00:00:22+08:00">2020-01-19</time>
+              <time title="Created: 2020-01-20 01:02:48" itemprop="dateCreated datePublished" datetime="2020-01-20T01:02:48+08:00">2020-01-20</time>
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-            <span id="/2020/01/19/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E5%9B%9B/" class="post-meta-item leancloud_visitors" data-flag-title="redis数据结构介绍四-第四部分 压缩表" title="Views">
+            <span id="/2020/01/20/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E4%BA%94/" class="post-meta-item leancloud_visitors" data-flag-title="redis数据结构介绍五-第五部分 对象" title="Views">
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@@ -635,8 +632,8 @@
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+    <a title="disqus" href="/2020/01/20/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E4%BA%94/#disqus_thread" itemprop="discussionUrl">
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@@ -651,18 +648,16 @@
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-          <p>在 redis 中还有一类表型数据结构叫压缩表，ziplist，它的目的是替代链表，链表是个很容易理解的数据结构，双向链表有前后指针，有带头结点的有的不带，但是链表有个比较大的问题是相对于普通的数组，它的内存不连续，碎片化的存储，内存利用效率不高，而且指针寻址相对于直接使用偏移量的话，也有一定的效率劣势，当然这不是主要的原因，ziplist 设计的主要目的是让链表的内存使用更高效</p>
-<blockquote>
-<p>The ziplist is a specially encoded dually linked list that is designed to be very memory efficient.<br>这是摘自 redis 源码中ziplist.c 文件的注释，也说明了原因，它的大概结构是这样子</p>
-</blockquote>
-<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">&lt;zlbytes&gt; &lt;zltail&gt; &lt;zllen&gt; &lt;entry&gt; &lt;entry&gt; ... &lt;entry&gt; &lt;zlend&gt;</span><br></pre></td></tr></table></figure>
-<p>其中<br><code>&lt;zlbytes&gt;</code>表示 ziplist 占用的字节总数，类型是uint32_t，32 位的无符号整型，当然表示的字节数也包含自己本身占用的 4 个<br><code>&lt;zltail&gt;</code> 类型也是是uint32_t，表示ziplist表中最后一项（entry）在ziplist中的偏移字节数。<code>&lt;zltail&gt;</code>的存在，使得我们可以很方便地找到最后一项（不用遍历整个ziplist），从而可以在ziplist尾端快速地执行push或pop操作。<br><code>&lt;uint16_t zllen&gt;</code> 表示ziplist 中的数据项个数，因为是 16 位，所以当数量超过所能表示的最大的数量，它的 16 位全会置为 1，但是真实的数量需要遍历整个 ziplist 才能知道<br><code>&lt;entry&gt;</code>是具体的数据项，后面解释<br><code>&lt;zlend&gt;</code> ziplist 的最后一个字节，固定是255。<br>再看一下<code>&lt;entry&gt;</code>中的具体结构，</p>
-<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">&lt;prevlen&gt; &lt;encoding&gt; &lt;entry-data&gt;</span><br></pre></td></tr></table></figure>
-<p>首先这个<code>&lt;prevlen&gt;</code>有两种情况，一种是前面的元素的长度，如果是小于等于 253的时候就用一个uint8_t 来表示前一元素的长度，如果大于的话他将占用五个字节，第一个字节是 254，即表示这个字节已经表示不下了，需要后面的四个字节帮忙表示<br><code>&lt;encoding&gt;</code>这个就比较复杂，把源码的注释放下面先看下</p>
-<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br></pre></td><td class="code"><pre><span class="line">* |00pppppp| - 1 byte</span><br><span class="line">*      String value with length less than or equal to 63 bytes (6 bits).</span><br><span class="line">*      &quot;pppppp&quot; represents the unsigned 6 bit length.</span><br><span class="line">* |01pppppp|qqqqqqqq| - 2 bytes</span><br><span class="line">*      String value with length less than or equal to 16383 bytes (14 bits).</span><br><span class="line">*      IMPORTANT: The 14 bit number is stored in big endian.</span><br><span class="line">* |10000000|qqqqqqqq|rrrrrrrr|ssssssss|tttttttt| - 5 bytes</span><br><span class="line">*      String value with length greater than or equal to 16384 bytes.</span><br><span class="line">*      Only the 4 bytes following the first byte represents the length</span><br><span class="line">*      up to 32^2-1. The 6 lower bits of the first byte are not used and</span><br><span class="line">*      are set to zero.</span><br><span class="line">*      IMPORTANT: The 32 bit number is stored in big endian.</span><br><span class="line">* |11000000| - 3 bytes</span><br><span class="line">*      Integer encoded as int16_t (2 bytes).</span><br><span class="line">* |11010000| - 5 bytes</span><br><span class="line">*      Integer encoded as int32_t (4 bytes).</span><br><span class="line">* |11100000| - 9 bytes</span><br><span class="line">*      Integer encoded as int64_t (8 bytes).</span><br><span class="line">* |11110000| - 4 bytes</span><br><span class="line">*      Integer encoded as 24 bit signed (3 bytes).</span><br><span class="line">* |11111110| - 2 bytes</span><br><span class="line">*      Integer encoded as 8 bit signed (1 byte).</span><br><span class="line">* |1111xxxx| - (with xxxx between 0000 and 1101) immediate 4 bit integer.</span><br><span class="line">*      Unsigned integer from 0 to 12. The encoded value is actually from</span><br><span class="line">*      1 to 13 because 0000 and 1111 can not be used, so 1 should be</span><br><span class="line">*      subtracted from the encoded 4 bit value to obtain the right value.</span><br><span class="line">* |11111111| - End of ziplist special entry.</span><br></pre></td></tr></table></figure>
-<p>首先如果 encoding 的前两位是 00 的话代表这个元素是个 6 位的字符串，即直接将数据保存在 encoding 中，不消耗额外的<code>&lt;entry-data&gt;</code>，如果前两位是 01 的话表示是个 14 位的字符串，如果是 10 的话表示encoding 块之后的四个字节是存放字符串类型的数据，encoding 的剩余 6 位置 0。<br>如果 encoding 的前两位是 11 的话表示这是个整型，具体的如果后两位是00的话，表示后面是个2字节的 int16_t 类型，如果是01的话，后面是个4字节的int32_t,如果是10的话后面是8字节的int64_t,如果是 11 的话后面是 3 字节的有符号整型，这些都要最后 4 位都是 0 的情况噢<br>剩下当是<code>11111110</code>时，则表示是一个1 字节的有符号数，如果是 <code>1111xxxx</code>，其中<code>xxxx</code>在0000 到 1101 表示实际的 1 到 13，为啥呢，因为 0000 前面已经用过了，而 1110 跟 1111 也都有用了。<br>看个具体的例子(上下有点对不齐，将就看)</p>
-<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">[0f 00 00 00] [0c 00 00 00] [02 00] [00 f3] [02 f6] [ff]</span><br><span class="line">|**zlbytes***|  |***zltail***|  |*zllen*|  |entry1 entry2|  |zlend|</span><br></pre></td></tr></table></figure>
-<p>第一部分代表整个 ziplist 有 15 个字节，zlbytes 自己占了 4 个 zltail 表示最后一个元素的偏移量，第 13 个字节起，zllen 表示有 2 个元素，第一个元素是<code>00f3</code>,00表示前一个元素长度是 0，本来前面就没元素(不过不知道这个能不能优化这一字节)，然后是 f3，换成二进制就是11110011,对照上面的注释，是落在|1111xxxx|这个类型里，注意这个其实是用 0001 到 1101 也就是 1到 13 来表示 0到 12，所以 f3 应该就是 2，第一个元素是 2，第二个元素呢，02 代表前一个元素也就是刚才说的这个，占用 2 字节，f6 展开也是刚才的类型，实际是 5，ff 表示 ziplist 的结尾，所以这个 ziplist 里面是两个元素，2 跟 5</p>
+          <p>前面说了这么些数据结构，其实大家对于 redis 最初的印象应该就是个 key-value 的缓存，类似于 memcache，redis 其实也是个 key-value，key 还是一样的字符串，或者说就是用 redis 自己的动态字符串实现，但是 value 其实就是前面说的那些数据结构，差不多快说完了，还有个 quicklist 后面还有一篇，这里先介绍下 redis 对于这些不同类型的 value 是怎么实现的，首先看下 redisObject 的源码头文件</p>
+<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/* The actual Redis Object */</span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_STRING 0    <span class="comment">/* String object. */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_LIST 1      <span class="comment">/* List object. */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_SET 2       <span class="comment">/* Set object. */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ZSET 3      <span class="comment">/* Sorted set object. */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_HASH 4      <span class="comment">/* Hash object. */</span></span></span><br><span class="line"><span class="comment">/*</span></span><br><span class="line"><span class="comment"> * Objects encoding. Some kind of objects like Strings and Hashes can be</span></span><br><span class="line"><span class="comment"> * internally represented in multiple ways. The 'encoding' field of the object</span></span><br><span class="line"><span class="comment"> * is set to one of this fields for this object. */</span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_RAW 0     <span class="comment">/* Raw representation */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_INT 1     <span class="comment">/* Encoded as integer */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_HT 2      <span class="comment">/* Encoded as hash table */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_ZIPMAP 3  <span class="comment">/* Encoded as zipmap */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_LINKEDLIST 4 <span class="comment">/* No longer used: old list encoding. */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_ZIPLIST 5 <span class="comment">/* Encoded as ziplist */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_INTSET 6  <span class="comment">/* Encoded as intset */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_SKIPLIST 7  <span class="comment">/* Encoded as skiplist */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_EMBSTR 8  <span class="comment">/* Embedded sds string encoding */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_QUICKLIST 9 <span class="comment">/* Encoded as linked list of ziplists */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_ENCODING_STREAM 10 <span class="comment">/* Encoded as a radix tree of listpacks */</span></span></span><br><span class="line"></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> LRU_BITS 24</span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> LRU_CLOCK_MAX ((1<span class="meta-string">&lt;&lt;LRU_BITS)-1) /* Max value of obj-&gt;lru */</span></span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> LRU_CLOCK_RESOLUTION 1000 <span class="comment">/* LRU clock resolution in ms */</span></span></span><br><span class="line"></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> OBJ_SHARED_REFCOUNT INT_MAX</span></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">redisObject</span> &#123;</span></span><br><span class="line">    <span class="keyword">unsigned</span> type:<span class="number">4</span>;</span><br><span class="line">    <span class="keyword">unsigned</span> encoding:<span class="number">4</span>;</span><br><span class="line">    <span class="keyword">unsigned</span> lru:LRU_BITS; <span class="comment">/* LRU time (relative to global lru_clock) or</span></span><br><span class="line"><span class="comment">                            * LFU data (least significant 8 bits frequency</span></span><br><span class="line"><span class="comment">                            * and most significant 16 bits access time). */</span></span><br><span class="line">    <span class="keyword">int</span> refcount;</span><br><span class="line">    <span class="keyword">void</span> *ptr;</span><br><span class="line">&#125; robj;</span><br></pre></td></tr></table></figure>
+<p>主体结构就是这个 redisObject，</p>
+<ul>
+<li>type： 字段表示对象的类型，它对应的就是 redis 的对外暴露的，或者说用户可以使用的五种类型，OBJ_STRING, OBJ_LIST, OBJ_SET, OBJ_ZSET, OBJ_HASH</li>
+<li>encoding： 字段表示这个对象在 redis 内部的编码方式，由OBJ_ENCODING_开头的 11 种</li>
+<li>lru: 做LRU替换算法用，占24个bit</li>
+<li>refcount: 引用计数。它允许robj对象在某些情况下被共享。</li>
+<li>ptr: 指向底层实现数据结构的指针<br>当 type 是 OBJ_STRING 时，表示类型是个 string，它的编码方式 encoding 可能有 OBJ_ENCODING_RAW，OBJ_ENCODING_INT，OBJ_ENCODING_EMBSTR 三种<br>当 type 是 OBJ_LIST 时，表示类型是 list，它的编码方式 encoding 是 OBJ_ENCODING_QUICKLIST，对于早一些的版本，2.2这种可能还会使用 OBJ_ENCODING_ZIPLIST，OBJ_ENCODING_LINKEDLIST<br>当 type 是 OBJ_SET 时，是个集合，但是得看具体元素的类型，有可能使用整数集合，OBJ_ENCODING_INTSET, 如果元素不全是整型或者数量超过一定限制，那么编码就是 OBJ_ENCODING_HT hash table 了<br>当 type 是 OBJ_ZSET 时，是个有序集合，它底层有可能使用的是 OBJ_ENCODING_ZIPLIST 或者 OBJ_ENCODING_SKIPLIST<br>当 type 是 OBJ_HASH 时，一开始也是 OBJ_ENCODING_ZIPLIST，然后当数据量大于 hash_max_ziplist_entries 时会转成 OBJ_ENCODING_HT</li>
+</ul>
 
       
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-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2020/01/10/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E4%B8%89/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2020/01/19/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E5%9B%9B/">
 
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-            <a href="/2020/01/10/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E4%B8%89/" class="post-title-link" itemprop="url">redis数据结构介绍三-第三部分 整数集合</a>
+            <a href="/2020/01/19/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E5%9B%9B/" class="post-title-link" itemprop="url">redis数据结构介绍四-第四部分 压缩表</a>
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-              <time title="Created: 2020-01-10 00:54:04" itemprop="dateCreated datePublished" datetime="2020-01-10T00:54:04+08:00">2020-01-10</time>
+              <time title="Created: 2020-01-19 00:00:22" itemprop="dateCreated datePublished" datetime="2020-01-19T00:00:22+08:00">2020-01-19</time>
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-                <span class="post-meta-item-icon">
-                  <i class="far fa-calendar-check"></i>
-                </span>
-                <span class="post-meta-item-text">Edited on</span>
-                <time title="Modified: 2020-01-12 21:08:27" itemprop="dateModified" datetime="2020-01-12T21:08:27+08:00">2020-01-12</time>
-              </span>
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-            <span id="/2020/01/10/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E4%B8%89/" class="post-meta-item leancloud_visitors" data-flag-title="redis数据结构介绍三-第三部分 整数集合" title="Views">
+            <span id="/2020/01/19/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E5%9B%9B/" class="post-meta-item leancloud_visitors" data-flag-title="redis数据结构介绍四-第四部分 压缩表" title="Views">
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-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2020/01/10/redis数据结构介绍三/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2020/01/19/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E5%9B%9B/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2020/01/19/redis数据结构介绍四/" itemprop="commentCount"></span>
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-          <p>redis中对于 set 其实有两种处理，对于元素均为整型，并且元素数目较少时，使用 intset 作为底层数据结构，否则使用 dict 作为底层数据结构，先看一下代码先</p>
-<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">intset</span> &#123;</span></span><br><span class="line">    <span class="comment">// 编码方式</span></span><br><span class="line">    <span class="keyword">uint32_t</span> encoding;</span><br><span class="line">    <span class="comment">// 集合包含的元素数量</span></span><br><span class="line">    <span class="keyword">uint32_t</span> length;</span><br><span class="line">    <span class="comment">// 保存元素的数组</span></span><br><span class="line">    <span class="keyword">int8_t</span> contents[];</span><br><span class="line">&#125; intset;</span><br><span class="line"></span><br><span class="line"><span class="comment">/* Note that these encodings are ordered, so:</span></span><br><span class="line"><span class="comment"> * INTSET_ENC_INT16 &lt; INTSET_ENC_INT32 &lt; INTSET_ENC_INT64. */</span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> INTSET_ENC_INT16 (sizeof(int16_t))</span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> INTSET_ENC_INT32 (sizeof(int32_t))</span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> INTSET_ENC_INT64 (sizeof(int64_t))</span></span><br></pre></td></tr></table></figure>
-<p>一眼看，为啥整型还需要编码，然后 int8_t 怎么能存下大整形呢，带着这些疑问，我们一步步分析下去，这里的编码其实指的是这个整型集合里存的究竟是多大的整型，16 位，还是 32 位，还是 64 位，结构体下面的宏定义就是表示了 encoding 的可能取值，INTSET_ENC_INT16 表示每个元素用2个字节存储，INTSET_ENC_INT32 表示每个元素用4个字节存储，INTSET_ENC_INT64 表示每个元素用8个字节存储。因此，intset中存储的整数最多只能占用64bit。length 就是正常的表示集合中元素的数量。最奇怪的应该就是这个 contents 了，是个 int8_t 的数组，那放毛线数据啊，最小的都有 16 位，这里我在看代码和《redis 设计与实现》的时候也有点懵逼，后来查了下发现这是个比较取巧的用法，这里我用自己的理解表述一下，先看看 8，16，32，64 的关系，一眼看就知道都是 2 的 N 次，并且呈两倍关系，而且 8 位刚好一个字节，所以呢其实这里的contents 不是个常规意义上的 int8_t 类型的数组，而是个柔性数组。看下 wiki 的定义</p>
+          <p>在 redis 中还有一类表型数据结构叫压缩表，ziplist，它的目的是替代链表，链表是个很容易理解的数据结构，双向链表有前后指针，有带头结点的有的不带，但是链表有个比较大的问题是相对于普通的数组，它的内存不连续，碎片化的存储，内存利用效率不高，而且指针寻址相对于直接使用偏移量的话，也有一定的效率劣势，当然这不是主要的原因，ziplist 设计的主要目的是让链表的内存使用更高效</p>
 <blockquote>
-<p>Flexible array members<a href="https://en.wikipedia.org/wiki/Flexible_array_member#cite_note-1" target="_blank" rel="noopener">1</a> were introduced in the <a href="https://en.wikipedia.org/wiki/C99" target="_blank" rel="noopener">C99</a> standard of the <a href="https://en.wikipedia.org/wiki/C_(programming_language)" target="_blank" rel="noopener">C programming language</a> (in particular, in section §6.7.2.1, item 16, page 103).<a href="https://en.wikipedia.org/wiki/Flexible_array_member#cite_note-2" target="_blank" rel="noopener">2</a> It is a member of a struct, which is an array without a given dimension. It must be the last member of such a struct and it must be accompanied by at least one other member, as in the following example:</p>
+<p>The ziplist is a specially encoded dually linked list that is designed to be very memory efficient.<br>这是摘自 redis 源码中ziplist.c 文件的注释，也说明了原因，它的大概结构是这样子</p>
 </blockquote>
-<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line"><span class="class"><span class="keyword">struct</span> <span class="title">vectord</span> &#123;</span></span><br><span class="line">    <span class="keyword">size_t</span> len;</span><br><span class="line">    <span class="keyword">double</span> arr[]; <span class="comment">// the flexible array member must be last</span></span><br><span class="line">&#125;;</span><br></pre></td></tr></table></figure>
-<p>在初始化这个 intset 的时候，这个contents数组是不占用空间的，后面的反正用到了申请，那么这里就有一个问题，给出了三种可能的 encoding 值，他们能随便换吗，显然不行，首先在 intset 中数据的存放是有序的，这个有部分原因是方便二分查找，然后存放数据其实随着数据的大小不同会有一个升级的过程，看下图<br><img data-src="https://i.loli.net/2020/01/10/qIc6HgP7wfCLipN.png" alt=""><br>新创建的intset只有一个header，总共8个字节。其中encoding = 2, length = 0, 类型都是uint32_t，各占 4 字节，添加15, 5两个元素之后，因为它们是比较小的整数，都能使用2个字节表示，所以encoding不变，值还是2，也就是默认的 <code>INTSET_ENC_INT16</code>，当添加32768的时候，它不再能用2个字节来表示了（2个字节能表达的数据范围是-215~215-1，而32768等于215，超出范围了），因此encoding必须升级到INTSET_ENC_INT32（值为4），即用4个字节表示一个元素。在添加每个元素的过程中，intset始终保持从小到大有序。与ziplist类似，intset也是按小端（little endian）模式存储的（参见维基百科词条<a href="https://en.wikipedia.org/wiki/Endianness" target="_blank" rel="noopener">Endianness</a>）。比如，在上图中intset添加完所有数据之后，表示encoding字段的4个字节应该解释成0x00000004，而第4个数据应该解释成0x00008000 = 32768</p>
+<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">&lt;zlbytes&gt; &lt;zltail&gt; &lt;zllen&gt; &lt;entry&gt; &lt;entry&gt; ... &lt;entry&gt; &lt;zlend&gt;</span><br></pre></td></tr></table></figure>
+<p>其中<br><code>&lt;zlbytes&gt;</code>表示 ziplist 占用的字节总数，类型是uint32_t，32 位的无符号整型，当然表示的字节数也包含自己本身占用的 4 个<br><code>&lt;zltail&gt;</code> 类型也是是uint32_t，表示ziplist表中最后一项（entry）在ziplist中的偏移字节数。<code>&lt;zltail&gt;</code>的存在，使得我们可以很方便地找到最后一项（不用遍历整个ziplist），从而可以在ziplist尾端快速地执行push或pop操作。<br><code>&lt;uint16_t zllen&gt;</code> 表示ziplist 中的数据项个数，因为是 16 位，所以当数量超过所能表示的最大的数量，它的 16 位全会置为 1，但是真实的数量需要遍历整个 ziplist 才能知道<br><code>&lt;entry&gt;</code>是具体的数据项，后面解释<br><code>&lt;zlend&gt;</code> ziplist 的最后一个字节，固定是255。<br>再看一下<code>&lt;entry&gt;</code>中的具体结构，</p>
+<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">&lt;prevlen&gt; &lt;encoding&gt; &lt;entry-data&gt;</span><br></pre></td></tr></table></figure>
+<p>首先这个<code>&lt;prevlen&gt;</code>有两种情况，一种是前面的元素的长度，如果是小于等于 253的时候就用一个uint8_t 来表示前一元素的长度，如果大于的话他将占用五个字节，第一个字节是 254，即表示这个字节已经表示不下了，需要后面的四个字节帮忙表示<br><code>&lt;encoding&gt;</code>这个就比较复杂，把源码的注释放下面先看下</p>
+<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br></pre></td><td class="code"><pre><span class="line">* |00pppppp| - 1 byte</span><br><span class="line">*      String value with length less than or equal to 63 bytes (6 bits).</span><br><span class="line">*      &quot;pppppp&quot; represents the unsigned 6 bit length.</span><br><span class="line">* |01pppppp|qqqqqqqq| - 2 bytes</span><br><span class="line">*      String value with length less than or equal to 16383 bytes (14 bits).</span><br><span class="line">*      IMPORTANT: The 14 bit number is stored in big endian.</span><br><span class="line">* |10000000|qqqqqqqq|rrrrrrrr|ssssssss|tttttttt| - 5 bytes</span><br><span class="line">*      String value with length greater than or equal to 16384 bytes.</span><br><span class="line">*      Only the 4 bytes following the first byte represents the length</span><br><span class="line">*      up to 32^2-1. The 6 lower bits of the first byte are not used and</span><br><span class="line">*      are set to zero.</span><br><span class="line">*      IMPORTANT: The 32 bit number is stored in big endian.</span><br><span class="line">* |11000000| - 3 bytes</span><br><span class="line">*      Integer encoded as int16_t (2 bytes).</span><br><span class="line">* |11010000| - 5 bytes</span><br><span class="line">*      Integer encoded as int32_t (4 bytes).</span><br><span class="line">* |11100000| - 9 bytes</span><br><span class="line">*      Integer encoded as int64_t (8 bytes).</span><br><span class="line">* |11110000| - 4 bytes</span><br><span class="line">*      Integer encoded as 24 bit signed (3 bytes).</span><br><span class="line">* |11111110| - 2 bytes</span><br><span class="line">*      Integer encoded as 8 bit signed (1 byte).</span><br><span class="line">* |1111xxxx| - (with xxxx between 0000 and 1101) immediate 4 bit integer.</span><br><span class="line">*      Unsigned integer from 0 to 12. The encoded value is actually from</span><br><span class="line">*      1 to 13 because 0000 and 1111 can not be used, so 1 should be</span><br><span class="line">*      subtracted from the encoded 4 bit value to obtain the right value.</span><br><span class="line">* |11111111| - End of ziplist special entry.</span><br></pre></td></tr></table></figure>
+<p>首先如果 encoding 的前两位是 00 的话代表这个元素是个 6 位的字符串，即直接将数据保存在 encoding 中，不消耗额外的<code>&lt;entry-data&gt;</code>，如果前两位是 01 的话表示是个 14 位的字符串，如果是 10 的话表示encoding 块之后的四个字节是存放字符串类型的数据，encoding 的剩余 6 位置 0。<br>如果 encoding 的前两位是 11 的话表示这是个整型，具体的如果后两位是00的话，表示后面是个2字节的 int16_t 类型，如果是01的话，后面是个4字节的int32_t,如果是10的话后面是8字节的int64_t,如果是 11 的话后面是 3 字节的有符号整型，这些都要最后 4 位都是 0 的情况噢<br>剩下当是<code>11111110</code>时，则表示是一个1 字节的有符号数，如果是 <code>1111xxxx</code>，其中<code>xxxx</code>在0000 到 1101 表示实际的 1 到 13，为啥呢，因为 0000 前面已经用过了，而 1110 跟 1111 也都有用了。<br>看个具体的例子(上下有点对不齐，将就看)</p>
+<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">[0f 00 00 00] [0c 00 00 00] [02 00] [00 f3] [02 f6] [ff]</span><br><span class="line">|**zlbytes***|  |***zltail***|  |*zllen*|  |entry1 entry2|  |zlend|</span><br></pre></td></tr></table></figure>
+<p>第一部分代表整个 ziplist 有 15 个字节，zlbytes 自己占了 4 个 zltail 表示最后一个元素的偏移量，第 13 个字节起，zllen 表示有 2 个元素，第一个元素是<code>00f3</code>,00表示前一个元素长度是 0，本来前面就没元素(不过不知道这个能不能优化这一字节)，然后是 f3，换成二进制就是11110011,对照上面的注释，是落在|1111xxxx|这个类型里，注意这个其实是用 0001 到 1101 也就是 1到 13 来表示 0到 12，所以 f3 应该就是 2，第一个元素是 2，第二个元素呢，02 代表前一个元素也就是刚才说的这个，占用 2 字节，f6 展开也是刚才的类型，实际是 5，ff 表示 ziplist 的结尾，所以这个 ziplist 里面是两个元素，2 跟 5</p>
 
       
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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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diff --git a/page/7/index.html b/page/7/index.html
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@@ -218,7 +218,7 @@
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-            <a href="/2020/01/04/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E4%BA%8C/" class="post-title-link" itemprop="url">redis数据结构介绍二-第二部分 跳表</a>
+            <a href="/2020/01/10/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E4%B8%89/" class="post-title-link" itemprop="url">redis数据结构介绍三-第三部分 整数集合</a>
         </h2>
 
         <div class="post-meta">
@@ -228,7 +228,7 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2020-01-04 00:03:05" itemprop="dateCreated datePublished" datetime="2020-01-04T00:03:05+08:00">2020-01-04</time>
+              <time title="Created: 2020-01-10 00:54:04" itemprop="dateCreated datePublished" datetime="2020-01-10T00:54:04+08:00">2020-01-10</time>
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+            <span id="/2020/01/10/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E4%B8%89/" class="post-meta-item leancloud_visitors" data-flag-title="redis数据结构介绍三-第三部分 整数集合" title="Views">
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-          <h2 id="跳表-skiplist"><a href="#跳表-skiplist" class="headerlink" title="跳表 skiplist"></a>跳表 skiplist</h2><p>跳表是个在我们日常的代码中不太常用到的数据结构，相对来讲就没有像数组，链表，字典，散列，树等结构那么熟悉，所以就从头开始分析下，首先是链表，跳表跟链表都有个表字（太硬扯了我🤦‍♀️），注意这是个有序链表<br><img data-src="https://i.loli.net/2020/01/03/Og9i3pCIfxrMhja.png" alt=""><br>如上图，在这个链表里如果我要找到 23，是不是我需要从3，5，9开始一直往后找直到找到 23，也就是说时间复杂度是 O(N),N 的一次幂复杂度，那么我们来看看第二个<br><img data-src="https://i.loli.net/2020/01/03/81P2baupiedOmNf.png" alt=""><br>这个结构跟原先有点不一样，它给链表中偶数位的节点又加了一个指针把它们链接起来，这样子当我们要寻找 23 的时候就可以从原来的一个个往下找变成跳着找，先找到 5，然后是 10，接着是 19，然后是 28，这时候发现 28 比 23 大了，那我在退回到 19，然后从下一层原来的链表往前找，<br><img data-src="https://i.loli.net/2020/01/03/NBguAphilKjs2MO.png" alt=""><br>这里毛估估是不是前面的节点我就少找了一半,有那么点二分法的意思。<br>前面的其实是跳表的引子，真正的跳表其实不是这样，因为上面的其实有个比较大的问题，就是插入一个元素后需要调整每个元素的指针，在 redis 中的跳表其实是做了个随机层数的优化，因为沿着前面的例子，其实当数据量很大的时候，是不是层数越多，其查询效率越高，但是随着层数变多，要保持这种严格的层数规则其实也会增大处理复杂度，所以 redis 插入每个元素的时候都是使用随机的方式，看一眼代码</p>
-<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/* ZSETs use a specialized version of Skiplists */</span></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">zskiplistNode</span> &#123;</span></span><br><span class="line">    sds ele;</span><br><span class="line">    <span class="keyword">double</span> score;</span><br><span class="line">    <span class="class"><span class="keyword">struct</span> <span class="title">zskiplistNode</span> *<span class="title">backward</span>;</span></span><br><span class="line">    <span class="class"><span class="keyword">struct</span> <span class="title">zskiplistLevel</span> &#123;</span></span><br><span class="line">        <span class="class"><span class="keyword">struct</span> <span class="title">zskiplistNode</span> *<span class="title">forward</span>;</span></span><br><span class="line">        <span class="keyword">unsigned</span> <span class="keyword">long</span> span;</span><br><span class="line">    &#125; level[];</span><br><span class="line">&#125; zskiplistNode;</span><br><span class="line"></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">zskiplist</span> &#123;</span></span><br><span class="line">    <span class="class"><span class="keyword">struct</span> <span class="title">zskiplistNode</span> *<span class="title">header</span>, *<span class="title">tail</span>;</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> length;</span><br><span class="line">    <span class="keyword">int</span> level;</span><br><span class="line">&#125; zskiplist;</span><br><span class="line"></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">zset</span> &#123;</span></span><br><span class="line">    dict *dict;</span><br><span class="line">    zskiplist *zsl;</span><br><span class="line">&#125; zset;</span><br></pre></td></tr></table></figure>
-<p>忘了说了，redis 是把 skiplist 跳表用在 zset 里，zset 是个有序的集合，可以看到 zskiplist 就是个跳表的结构，里面用 header 保存跳表的表头，tail 保存表尾，还有长度和最大层级，具体的跳表节点元素使用 zskiplistNode 表示，里面包含了 sds 类型的元素值，double 类型的分值，用来排序，一个 backward 后向指针和一个 zskiplistLevel 数组，每个 level 包含了一个前向指针，和一个 span，span 表示的是跳表前向指针的跨度，这里再补充一点，前面说了为了灵活这个跳表的新增修改，redis 使用了随机层高的方式插入新节点，但是如果所有节点都随机到很高的层级或者所有都很低的话，跳表的效率优势就会减小，所以 redis 使用了个小技巧，贴下代码</p>
-<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">#<span class="meta-keyword">define</span> ZSKIPLIST_P 0.25      <span class="comment">/* Skiplist P = 1/4 */</span></span></span><br><span class="line"><span class="function"><span class="keyword">int</span> <span class="title">zslRandomLevel</span><span class="params">(<span class="keyword">void</span>)</span> </span>&#123;</span><br><span class="line">    <span class="keyword">int</span> level = <span class="number">1</span>;</span><br><span class="line">    <span class="keyword">while</span> ((<span class="built_in">random</span>()&amp;<span class="number">0xFFFF</span>) &lt; (ZSKIPLIST_P * <span class="number">0xFFFF</span>))</span><br><span class="line">        level += <span class="number">1</span>;</span><br><span class="line">    <span class="keyword">return</span> (level&lt;ZSKIPLIST_MAXLEVEL) ? level : ZSKIPLIST_MAXLEVEL;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
-<p>当随机值跟0xFFFF进行与操作小于ZSKIPLIST_P * 0xFFFF时才会增大 level 的值，因此保持了一个相对递减的概率<br>可以简单分析下，当 random() 的值小于 0xFFFF 的 1/4,才会 level + 1，就意味着当有 1 - 1/4也就是3/4的概率是直接跳出，所以一层的概率是3/4,也就是 1-P，二层的概率是 P*(1-P),三层的概率是 P² * (1-P) 依次递推。</p>
+          <p>redis中对于 set 其实有两种处理，对于元素均为整型，并且元素数目较少时，使用 intset 作为底层数据结构，否则使用 dict 作为底层数据结构，先看一下代码先</p>
+<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">intset</span> &#123;</span></span><br><span class="line">    <span class="comment">// 编码方式</span></span><br><span class="line">    <span class="keyword">uint32_t</span> encoding;</span><br><span class="line">    <span class="comment">// 集合包含的元素数量</span></span><br><span class="line">    <span class="keyword">uint32_t</span> length;</span><br><span class="line">    <span class="comment">// 保存元素的数组</span></span><br><span class="line">    <span class="keyword">int8_t</span> contents[];</span><br><span class="line">&#125; intset;</span><br><span class="line"></span><br><span class="line"><span class="comment">/* Note that these encodings are ordered, so:</span></span><br><span class="line"><span class="comment"> * INTSET_ENC_INT16 &lt; INTSET_ENC_INT32 &lt; INTSET_ENC_INT64. */</span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> INTSET_ENC_INT16 (sizeof(int16_t))</span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> INTSET_ENC_INT32 (sizeof(int32_t))</span></span><br><span class="line"><span class="meta">#<span class="meta-keyword">define</span> INTSET_ENC_INT64 (sizeof(int64_t))</span></span><br></pre></td></tr></table></figure>
+<p>一眼看，为啥整型还需要编码，然后 int8_t 怎么能存下大整形呢，带着这些疑问，我们一步步分析下去，这里的编码其实指的是这个整型集合里存的究竟是多大的整型，16 位，还是 32 位，还是 64 位，结构体下面的宏定义就是表示了 encoding 的可能取值，INTSET_ENC_INT16 表示每个元素用2个字节存储，INTSET_ENC_INT32 表示每个元素用4个字节存储，INTSET_ENC_INT64 表示每个元素用8个字节存储。因此，intset中存储的整数最多只能占用64bit。length 就是正常的表示集合中元素的数量。最奇怪的应该就是这个 contents 了，是个 int8_t 的数组，那放毛线数据啊，最小的都有 16 位，这里我在看代码和《redis 设计与实现》的时候也有点懵逼，后来查了下发现这是个比较取巧的用法，这里我用自己的理解表述一下，先看看 8，16，32，64 的关系，一眼看就知道都是 2 的 N 次，并且呈两倍关系，而且 8 位刚好一个字节，所以呢其实这里的contents 不是个常规意义上的 int8_t 类型的数组，而是个柔性数组。看下 wiki 的定义</p>
+<blockquote>
+<p>Flexible array members<a href="https://en.wikipedia.org/wiki/Flexible_array_member#cite_note-1" target="_blank" rel="noopener">1</a> were introduced in the <a href="https://en.wikipedia.org/wiki/C99" target="_blank" rel="noopener">C99</a> standard of the <a href="https://en.wikipedia.org/wiki/C_(programming_language)" target="_blank" rel="noopener">C programming language</a> (in particular, in section §6.7.2.1, item 16, page 103).<a href="https://en.wikipedia.org/wiki/Flexible_array_member#cite_note-2" target="_blank" rel="noopener">2</a> It is a member of a struct, which is an array without a given dimension. It must be the last member of such a struct and it must be accompanied by at least one other member, as in the following example:</p>
+</blockquote>
+<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line"><span class="class"><span class="keyword">struct</span> <span class="title">vectord</span> &#123;</span></span><br><span class="line">    <span class="keyword">size_t</span> len;</span><br><span class="line">    <span class="keyword">double</span> arr[]; <span class="comment">// the flexible array member must be last</span></span><br><span class="line">&#125;;</span><br></pre></td></tr></table></figure>
+<p>在初始化这个 intset 的时候，这个contents数组是不占用空间的，后面的反正用到了申请，那么这里就有一个问题，给出了三种可能的 encoding 值，他们能随便换吗，显然不行，首先在 intset 中数据的存放是有序的，这个有部分原因是方便二分查找，然后存放数据其实随着数据的大小不同会有一个升级的过程，看下图<br><img data-src="https://i.loli.net/2020/01/10/qIc6HgP7wfCLipN.png" alt=""><br>新创建的intset只有一个header，总共8个字节。其中encoding = 2, length = 0, 类型都是uint32_t，各占 4 字节，添加15, 5两个元素之后，因为它们是比较小的整数，都能使用2个字节表示，所以encoding不变，值还是2，也就是默认的 <code>INTSET_ENC_INT16</code>，当添加32768的时候，它不再能用2个字节来表示了（2个字节能表达的数据范围是-215~215-1，而32768等于215，超出范围了），因此encoding必须升级到INTSET_ENC_INT32（值为4），即用4个字节表示一个元素。在添加每个元素的过程中，intset始终保持从小到大有序。与ziplist类似，intset也是按小端（little endian）模式存储的（参见维基百科词条<a href="https://en.wikipedia.org/wiki/Endianness" target="_blank" rel="noopener">Endianness</a>）。比如，在上图中intset添加完所有数据之后，表示encoding字段的4个字节应该解释成0x00000004，而第4个数据应该解释成0x00008000 = 32768</p>
 
       
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-            <a href="/2019/12/26/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D/" class="post-title-link" itemprop="url">redis数据结构介绍-第一部分 SDS，链表，字典</a>
+            <a href="/2020/01/04/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D%E4%BA%8C/" class="post-title-link" itemprop="url">redis数据结构介绍二-第二部分 跳表</a>
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-              <time title="Created: 2019-12-26 00:03:49" itemprop="dateCreated datePublished" datetime="2019-12-26T00:03:49+08:00">2019-12-26</time>
+              <time title="Created: 2020-01-04 00:03:05" itemprop="dateCreated datePublished" datetime="2020-01-04T00:03:05+08:00">2020-01-04</time>
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-          <p>redis是现在服务端很常用的缓存中间件，其实原来还有<code>memcache</code>之类的竞品，但是现在貌似 redis 快一统江湖，这里当然不是在吹，只是个人角度的一个感觉，不权威只是主观感觉。<br>redis 主要有五种数据结构，<code>Strings</code>，<code>Lists</code>，<code>Sets</code>，<code>Hashes</code>，<code>Sorted Sets</code>，这五种数据结构先简单介绍下，<code>Strings</code>类型的其实就是我们最常用的 key-value，实际开发中也会用的最多；<code>Lists</code>是列表，这个有些会用来做队列，因为 redis 目前常用的版本支持丰富的列表操作；还有是<code>Sets</code>集合，这个主要的特点就是集合中元素不重复，可以用在有这类需求的场景里；<code>Hashes</code>是叫散列，类似于 Python 中的字典结构；还有就是<code>Sorted Sets</code>这个是个有序集合；一眼看这些其实没啥特别的，除了最后这个有序集合，不过去了解背后的实现方式还是比较有意思的。</p>
-<h2 id="SDS-简单动态字符串"><a href="#SDS-简单动态字符串" class="headerlink" title="SDS 简单动态字符串"></a>SDS 简单动态字符串</h2><p>先从<code>Strings</code>开始说，了解过 C 语言的应该知道，C 语言中的字符串其实是个 <code>char[]</code> 字符数组，redis 也不例外，只是最开始的版本就对这个做了一丢丢的优化，而正是这一丢丢的优化，让这个 redis 的使用效率提升了数倍</p>
-<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br></pre></td><td class="code"><pre><span class="line"><span class="class"><span class="keyword">struct</span> <span class="title">sdshdr</span> &#123;</span></span><br><span class="line">    <span class="comment">// 字符串长度</span></span><br><span class="line">    <span class="keyword">int</span> len;</span><br><span class="line">    <span class="comment">// 字符串空余字符数</span></span><br><span class="line">    <span class="keyword">int</span> <span class="built_in">free</span>;</span><br><span class="line">    <span class="comment">// 字符串内容</span></span><br><span class="line">    <span class="keyword">char</span> buf[];</span><br><span class="line">&#125;;</span><br></pre></td></tr></table></figure>
-<p>这里引用了 redis 在 github 上最早的 2.2 版本的代码，代码路径是<code>https://github.com/antirez/redis/blob/2.2/src/sds.h</code>,可以看到这个结构体里只有仨元素，两个 int 型和一个 char 型数组，两个 int 型其实就是我说的优化，因为 C 语言本身的字符串数组，有两个问题，一个是要知道它实际已被占用的长度，需要去遍历这个数组，第二个就是比较容易踩坑的是遍历的时候要注意它有个以<code>\0</code>作为结尾的特点；通过上面的两个 int 型参数，一个是知道字符串目前的长度，一个是知道字符串还剩余多少位空间，这样子坐着两个操作从 <code>O(N)</code>简化到了<code>O(1)</code>了，还有第二个 free 还有个比较重要的作用就是能防止 C 字符串的溢出问题，在存储之前可以先判断 free 长度，如果长度不够就先扩容了，先介绍到这，这个系列可以写蛮多的，慢慢介绍吧</p>
-<h2 id="链表"><a href="#链表" class="headerlink" title="链表"></a>链表</h2><p>链表是比较常见的数据结构了，但是因为 redis 是用 C 写的，所以在不依赖第三方库的情况下只能自己写一个了，redis 的链表是个有头的链表，而且是无环的，具体的结构我也找了 github 上最早版本的代码</p>
-<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">listNode</span> &#123;</span></span><br><span class="line">    <span class="comment">// 前置节点</span></span><br><span class="line">    <span class="class"><span class="keyword">struct</span> <span class="title">listNode</span> *<span class="title">prev</span>;</span></span><br><span class="line">    <span class="comment">// 后置节点</span></span><br><span class="line">    <span class="class"><span class="keyword">struct</span> <span class="title">listNode</span> *<span class="title">next</span>;</span></span><br><span class="line">    <span class="comment">// 值</span></span><br><span class="line">    <span class="keyword">void</span> *value;</span><br><span class="line">&#125; listNode;</span><br><span class="line"></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">list</span> &#123;</span></span><br><span class="line">    <span class="comment">// 链表表头</span></span><br><span class="line">    listNode *head;</span><br><span class="line">    <span class="comment">// 当前节点，也可以说是最后节点</span></span><br><span class="line">    listNode *tail;</span><br><span class="line">    <span class="comment">// 节点复制函数</span></span><br><span class="line">    <span class="keyword">void</span> *(*dup)(<span class="keyword">void</span> *ptr);</span><br><span class="line">    <span class="comment">// 节点值释放函数</span></span><br><span class="line">    <span class="keyword">void</span> (*<span class="built_in">free</span>)(<span class="keyword">void</span> *ptr);</span><br><span class="line">    <span class="comment">// 节点值比较函数</span></span><br><span class="line">    <span class="keyword">int</span> (*match)(<span class="keyword">void</span> *ptr, <span class="keyword">void</span> *key);</span><br><span class="line">    <span class="comment">// 链表包含的节点数量</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> len;</span><br><span class="line">&#125; <span class="built_in">list</span>;</span><br></pre></td></tr></table></figure>
-<p>代码地址是这个<code>https://github.com/antirez/redis/blob/2.2/src/adlist.h</code><br>可以看下节点是由listNode承载的，包括值和一个指向前节点跟一个指向后一节点的两个指针，然后值是 void 指针类型，所以可以承载不同类型的值<br>然后是 list结构用来承载一个链表，包含了表头，和表尾，复制函数，释放函数和比较函数，还有链表长度，因为包含了前两个节点，找到表尾节点跟表头都是 <code>O(1)</code>的时间复杂度，还有节点数量，其实这个跟 SDS 是同一个做法，就是空间换时间，这也是写代码里比较常见的做法，以此让一些高频的操作提速。</p>
-<h2 id="字典"><a href="#字典" class="headerlink" title="字典"></a>字典</h2><p>字典也是个常用的数据结构，其实只是叫法不同，数据结构中叫 hash 散列，Java 中叫 Map，PHP 中是数组 array，Python 中也叫字典 dict，因为纯 C 语言本身不带这些数据结构，所以这也是个痛并快乐着的过程，享受 C 语言的高性能的同时也要接受它只提供了语言的基本功能的现实，各种轮子都需要自己造，redis 同样实现了自己的字典<br>下面来看看代码</p>
-<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">dictEntry</span> &#123;</span></span><br><span class="line">    <span class="keyword">void</span> *key;</span><br><span class="line">    <span class="keyword">void</span> *val;</span><br><span class="line">    <span class="class"><span class="keyword">struct</span> <span class="title">dictEntry</span> *<span class="title">next</span>;</span></span><br><span class="line">&#125; dictEntry;</span><br><span class="line"></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">dictType</span> &#123;</span></span><br><span class="line">    <span class="function"><span class="keyword">unsigned</span> <span class="title">int</span> <span class="params">(*hashFunction)</span><span class="params">(<span class="keyword">const</span> <span class="keyword">void</span> *key)</span></span>;</span><br><span class="line">    <span class="keyword">void</span> *(*keyDup)(<span class="keyword">void</span> *privdata, <span class="keyword">const</span> <span class="keyword">void</span> *key);</span><br><span class="line">    <span class="keyword">void</span> *(*valDup)(<span class="keyword">void</span> *privdata, <span class="keyword">const</span> <span class="keyword">void</span> *obj);</span><br><span class="line">    <span class="keyword">int</span> (*keyCompare)(<span class="keyword">void</span> *privdata, <span class="keyword">const</span> <span class="keyword">void</span> *key1, <span class="keyword">const</span> <span class="keyword">void</span> *key2);</span><br><span class="line">    <span class="keyword">void</span> (*keyDestructor)(<span class="keyword">void</span> *privdata, <span class="keyword">void</span> *key);</span><br><span class="line">    <span class="keyword">void</span> (*valDestructor)(<span class="keyword">void</span> *privdata, <span class="keyword">void</span> *obj);</span><br><span class="line">&#125; dictType;</span><br><span class="line"></span><br><span class="line"><span class="comment">/* This is our hash table structure. Every dictionary has two of this as we</span></span><br><span class="line"><span class="comment"> * implement incremental rehashing, for the old to the new table. */</span></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">dictht</span> &#123;</span></span><br><span class="line">    dictEntry **table;</span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> <span class="built_in">size</span>;</span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> sizemask;</span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> used;</span><br><span class="line">&#125; dictht;</span><br><span class="line"></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">dict</span> &#123;</span></span><br><span class="line">    dictType *type;</span><br><span class="line">    <span class="keyword">void</span> *privdata;</span><br><span class="line">    dictht ht[<span class="number">2</span>];</span><br><span class="line">    <span class="keyword">int</span> rehashidx; <span class="comment">/* rehashing not in progress if rehashidx == -1 */</span></span><br><span class="line">    <span class="keyword">int</span> iterators; <span class="comment">/* number of iterators currently running */</span></span><br><span class="line">&#125; dict;</span><br></pre></td></tr></table></figure>
-<p>看了下这个 2.2 版本的代码跟最新版的其实也差的不是很多，所以还是照旧用老代码，可以看到上面四个结构体中，其实只有三个是存储数据用的，dictType 是用来放操作函数的，那么三个存放数据的结构体分别是干嘛的，这时候感觉需要一个图来说明比较好，稍等，我去画个图~<br><img data-src="https://i.loli.net/2019/12/29/UL4AR1HSEKOh9Qm.png" alt=""><br>这个图看着应该比较清楚这些都是用来干嘛的了，dict 是我们的主体结构，它有一个指向 dictType 的指针，这里面包含了字典的操作函数，然后是一个私有数据指针，接下来是一个 dictht 的数组，包含两个dictht，这个就是用来存数据的了，然后是 rehashidx 表示重哈希的状态，当是-1 的时候表示当前没有重哈希，iterators 表示正在遍历的迭代器的数量。<br>首先说说为啥需要有两个 dictht，这是因为字典 dict 这个数据结构随着数据量的增减，会需要在中途做扩容或者缩容操作，如果只有一个的话，对它进行扩容缩容时会影响正常的访问和修改操作，或者说保证正常查询，修改的正确性会比较复杂，并且因为需要高效利用空间，不能一下子申请一个非常大的空间来存很少的数据。当 dict 中 dictht 中的数据量超过 size 的时候负载就超过了 1，就需要进行扩容，这里的其实跟 Java 中的 HashMap 比较类似，超过一定的负载之后进行扩容。这里为啥 size 会超过 1 呢，可能有部分不了解这类结构的同学会比较奇怪，其实就是上图中画的，在数据结构中对于散列的冲突有几类解决方法，比如转换成链表，二次散列，找下个空槽等，这里就使用了链表法，或者说拉链法。当一个新元素通过 hashFunction 得出的 key 跟 sizemask 取模之后的值相同了，那就将其放在原来的节点之前，变成链表挂在数组 dictht.table下面，放在原有节点前是考虑到可能会优先访问。<br>忘了说明下 dictht 跟 dictEntry 的关系了，dictht 就是个哈希表，它里面是个dictEntry 的二维数组，而 dictEntry 是个包含了 key-value 结构之外还有一个 next 指针，因此可以将哈希冲突的以链表的形式保存下来。<br>在重点说下重哈希，可能同样写 Java 的同学对这个比较有感觉，跟 HashMap 一样，会以 2 的 N 次方进行扩容，那么扩容的方法就会比较简单，每个键重哈希要不就在原来这个槽，要不就在原来的槽加原 dictht.size 的位置；然后是重头戏，具体是怎么做扩容呢，其实这里就把第二个 ht 用上了，其实这两个hashtable 的具体作用有点类似于 jvm 中的两个 survival 区，但是又不全一样，因为 redis 在扩容的时候是采用的渐进式地重哈希，什么叫渐进式的呢，就是它不是像 jvm 那种标记复制的模式直接将一个 eden 区和原来的 survival 区存活的对象复制到另一个 survival 区，而是在每一次添加，删除，查找或者更新操作时，都会额外的帮忙搬运一部分的原 dictht 中的数据，这里会根据 rehashidx 的值来判断，如果是-1 表示并没有在重哈希中，如果是 0 表示开始重哈希了，然后rehashidx 还会随着每次的帮忙搬运往上加，但全部被搬运完成后 rehashidx 又变回了-1，又可以扯到Java 中的 Concurrent HashMap, 他在扩容的时候也使用了类似的操作。</p>
+          <h2 id="跳表-skiplist"><a href="#跳表-skiplist" class="headerlink" title="跳表 skiplist"></a>跳表 skiplist</h2><p>跳表是个在我们日常的代码中不太常用到的数据结构，相对来讲就没有像数组，链表，字典，散列，树等结构那么熟悉，所以就从头开始分析下，首先是链表，跳表跟链表都有个表字（太硬扯了我🤦‍♀️），注意这是个有序链表<br><img data-src="https://i.loli.net/2020/01/03/Og9i3pCIfxrMhja.png" alt=""><br>如上图，在这个链表里如果我要找到 23，是不是我需要从3，5，9开始一直往后找直到找到 23，也就是说时间复杂度是 O(N),N 的一次幂复杂度，那么我们来看看第二个<br><img data-src="https://i.loli.net/2020/01/03/81P2baupiedOmNf.png" alt=""><br>这个结构跟原先有点不一样，它给链表中偶数位的节点又加了一个指针把它们链接起来，这样子当我们要寻找 23 的时候就可以从原来的一个个往下找变成跳着找，先找到 5，然后是 10，接着是 19，然后是 28，这时候发现 28 比 23 大了，那我在退回到 19，然后从下一层原来的链表往前找，<br><img data-src="https://i.loli.net/2020/01/03/NBguAphilKjs2MO.png" alt=""><br>这里毛估估是不是前面的节点我就少找了一半,有那么点二分法的意思。<br>前面的其实是跳表的引子，真正的跳表其实不是这样，因为上面的其实有个比较大的问题，就是插入一个元素后需要调整每个元素的指针，在 redis 中的跳表其实是做了个随机层数的优化，因为沿着前面的例子，其实当数据量很大的时候，是不是层数越多，其查询效率越高，但是随着层数变多，要保持这种严格的层数规则其实也会增大处理复杂度，所以 redis 插入每个元素的时候都是使用随机的方式，看一眼代码</p>
+<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">/* ZSETs use a specialized version of Skiplists */</span></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">zskiplistNode</span> &#123;</span></span><br><span class="line">    sds ele;</span><br><span class="line">    <span class="keyword">double</span> score;</span><br><span class="line">    <span class="class"><span class="keyword">struct</span> <span class="title">zskiplistNode</span> *<span class="title">backward</span>;</span></span><br><span class="line">    <span class="class"><span class="keyword">struct</span> <span class="title">zskiplistLevel</span> &#123;</span></span><br><span class="line">        <span class="class"><span class="keyword">struct</span> <span class="title">zskiplistNode</span> *<span class="title">forward</span>;</span></span><br><span class="line">        <span class="keyword">unsigned</span> <span class="keyword">long</span> span;</span><br><span class="line">    &#125; level[];</span><br><span class="line">&#125; zskiplistNode;</span><br><span class="line"></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">zskiplist</span> &#123;</span></span><br><span class="line">    <span class="class"><span class="keyword">struct</span> <span class="title">zskiplistNode</span> *<span class="title">header</span>, *<span class="title">tail</span>;</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> length;</span><br><span class="line">    <span class="keyword">int</span> level;</span><br><span class="line">&#125; zskiplist;</span><br><span class="line"></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">zset</span> &#123;</span></span><br><span class="line">    dict *dict;</span><br><span class="line">    zskiplist *zsl;</span><br><span class="line">&#125; zset;</span><br></pre></td></tr></table></figure>
+<p>忘了说了，redis 是把 skiplist 跳表用在 zset 里，zset 是个有序的集合，可以看到 zskiplist 就是个跳表的结构，里面用 header 保存跳表的表头，tail 保存表尾，还有长度和最大层级，具体的跳表节点元素使用 zskiplistNode 表示，里面包含了 sds 类型的元素值，double 类型的分值，用来排序，一个 backward 后向指针和一个 zskiplistLevel 数组，每个 level 包含了一个前向指针，和一个 span，span 表示的是跳表前向指针的跨度，这里再补充一点，前面说了为了灵活这个跳表的新增修改，redis 使用了随机层高的方式插入新节点，但是如果所有节点都随机到很高的层级或者所有都很低的话，跳表的效率优势就会减小，所以 redis 使用了个小技巧，贴下代码</p>
+<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">#<span class="meta-keyword">define</span> ZSKIPLIST_P 0.25      <span class="comment">/* Skiplist P = 1/4 */</span></span></span><br><span class="line"><span class="function"><span class="keyword">int</span> <span class="title">zslRandomLevel</span><span class="params">(<span class="keyword">void</span>)</span> </span>&#123;</span><br><span class="line">    <span class="keyword">int</span> level = <span class="number">1</span>;</span><br><span class="line">    <span class="keyword">while</span> ((<span class="built_in">random</span>()&amp;<span class="number">0xFFFF</span>) &lt; (ZSKIPLIST_P * <span class="number">0xFFFF</span>))</span><br><span class="line">        level += <span class="number">1</span>;</span><br><span class="line">    <span class="keyword">return</span> (level&lt;ZSKIPLIST_MAXLEVEL) ? level : ZSKIPLIST_MAXLEVEL;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+<p>当随机值跟0xFFFF进行与操作小于ZSKIPLIST_P * 0xFFFF时才会增大 level 的值，因此保持了一个相对递减的概率<br>可以简单分析下，当 random() 的值小于 0xFFFF 的 1/4,才会 level + 1，就意味着当有 1 - 1/4也就是3/4的概率是直接跳出，所以一层的概率是3/4,也就是 1-P，二层的概率是 P*(1-P),三层的概率是 P² * (1-P) 依次递推。</p>
 
       
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+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2019/12/26/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D/">
 
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-            <a href="/2019/12/21/%E8%81%8A%E8%81%8AJava%E4%B8%AD%E7%9A%84%E5%8D%95%E4%BE%8B%E6%A8%A1%E5%BC%8F/" class="post-title-link" itemprop="url">聊聊Java中的单例模式</a>
+            <a href="/2019/12/26/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D/" class="post-title-link" itemprop="url">redis数据结构介绍-第一部分 SDS，链表，字典</a>
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-              <time title="Created: 2019-12-21 01:03:09" itemprop="dateCreated datePublished" datetime="2019-12-21T01:03:09+08:00">2019-12-21</time>
+              <time title="Created: 2019-12-26 00:03:49" itemprop="dateCreated datePublished" datetime="2019-12-26T00:03:49+08:00">2019-12-26</time>
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-                <time title="Modified: 2019-12-22 08:46:11" itemprop="dateModified" datetime="2019-12-22T08:46:11+08:00">2019-12-22</time>
+                <time title="Modified: 2020-01-12 21:08:27" itemprop="dateModified" datetime="2020-01-12T21:08:27+08:00">2020-01-12</time>
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-                  <a href="/categories/Java/" itemprop="url" rel="index"><span itemprop="name">Java</span></a>
+                  <a href="/categories/Redis/" itemprop="url" rel="index"><span itemprop="name">Redis</span></a>
                 </span>
                   , 
                 <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/Java/Design-Patterns/" itemprop="url" rel="index"><span itemprop="name">Design Patterns</span></a>
+                  <a href="/categories/Redis/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" itemprop="url" rel="index"><span itemprop="name">数据结构</span></a>
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-                  <a href="/categories/Java/Singleton/" itemprop="url" rel="index"><span itemprop="name">Singleton</span></a>
+                  <a href="/categories/C/" itemprop="url" rel="index"><span itemprop="name">C</span></a>
+                </span>
+                  , 
+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/Redis/%E6%BA%90%E7%A0%81/" itemprop="url" rel="index"><span itemprop="name">源码</span></a>
+                </span>
+                  , 
+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/C/Redis/" itemprop="url" rel="index"><span itemprop="name">Redis</span></a>
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-            <span id="/2019/12/21/%E8%81%8A%E8%81%8AJava%E4%B8%AD%E7%9A%84%E5%8D%95%E4%BE%8B%E6%A8%A1%E5%BC%8F/" class="post-meta-item leancloud_visitors" data-flag-title="聊聊Java中的单例模式" title="Views">
+            <span id="/2019/12/26/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D/" class="post-meta-item leancloud_visitors" data-flag-title="redis数据结构介绍-第一部分 SDS，链表，字典" title="Views">
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-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2019/12/21/聊聊Java中的单例模式/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2019/12/26/redis%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E4%BB%8B%E7%BB%8D/#disqus_thread" itemprop="discussionUrl">
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-          <p>这是个 Java 面试的高频问题，我也遇到过，以往都是觉得这类题没意思，网上一搜一大堆，也不愿意记，其实说回来，主要还是没静下心来好好去理解，今天无意中看到一个课程，基本帮我把一些疑惑的点讲清楚了，首先单例是啥意思，这个其实是有范围一说，比如我起了个<code>Spring Boot</code>应用，在这个应用范围内，我的常规 bean 是单例的，意味着 getBean 的时候其实永远只会拿到那一个对象，那要怎么来写一个单例呢，首先就是传说中的饿汉模式，也是最简单的</p>
-<h2 id="饿汉模式"><a href="#饿汉模式" class="headerlink" title="饿汉模式"></a>饿汉模式</h2><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">Singleton1</span> </span>&#123;</span><br><span class="line">    <span class="comment">// 首先，将构造方法变成私有的</span></span><br><span class="line">    <span class="function"><span class="keyword">private</span> <span class="title">Singleton1</span><span class="params">()</span> </span>&#123;&#125;;</span><br><span class="line">    <span class="comment">// 创建私有静态实例，这样第一次使用的时候就会进行创建</span></span><br><span class="line">    <span class="keyword">private</span> <span class="keyword">static</span> Singleton instance = <span class="keyword">new</span> Singleton1();</span><br><span class="line"></span><br><span class="line">    <span class="comment">// 使用这个对象都是通过这个 getInstance 来获取</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">static</span> Singleton1 <span class="title">getInstance</span><span class="params">()</span> </span>&#123;</span><br><span class="line">        <span class="keyword">return</span> instance;</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="comment">// 瞎写一个静态方法。这里想说的是，如果我们只是要调用 Singleton.getDate(...)，</span></span><br><span class="line">    <span class="comment">// 本来是不想要生成 Singleton 实例的，不过没办法，已经生成了</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">static</span> Date <span class="title">getDate</span><span class="params">(String mode)</span> </span>&#123;<span class="keyword">return</span> <span class="keyword">new</span> Date();&#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
-<p>上面借鉴了一些代码，其实这是最基本，也不会错的方法，但是正如其中<code>getDate</code>方法里说的问题，有时候并没有想那这个对象，但是因为我调用了这个类的静态方法，导致对象已经生成了，可能这也是饿汉模式名字的来由，不管三七二十一给你生成个单例就完事了，不管有没有用，但是这种个人觉得也没啥大问题，如果是面试的话最好说出来它的缺点</p>
-<h2 id="饱汉模式"><a href="#饱汉模式" class="headerlink" title="饱汉模式"></a>饱汉模式</h2><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">Singleton2</span> </span>&#123;</span><br><span class="line">    <span class="comment">// 首先，也是先堵死 new Singleton() 这条路,将构造方法变成私有</span></span><br><span class="line">    <span class="function"><span class="keyword">private</span> <span class="title">Singleton2</span><span class="params">()</span> </span>&#123;&#125;</span><br><span class="line">    <span class="comment">// 和饿汉模式相比，这边不需要先实例化出来，注意这里的 volatile，它是必须的</span></span><br><span class="line">    <span class="keyword">private</span> <span class="keyword">static</span> <span class="keyword">volatile</span> Singleton2 instance = <span class="keyword">null</span>;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">private</span> <span class="keyword">int</span> m = <span class="number">9</span>;</span><br><span class="line"></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">static</span> Singleton <span class="title">getInstance</span><span class="params">()</span> </span>&#123;</span><br><span class="line">        <span class="keyword">if</span> (instance == <span class="keyword">null</span>) &#123;</span><br><span class="line">            <span class="comment">// 加锁</span></span><br><span class="line">            <span class="keyword">synchronized</span> (Singleton2<span class="class">.<span class="keyword">class</span>) </span>&#123;</span><br><span class="line">                <span class="comment">// 这一次判断也是必须的，不然会有并发问题</span></span><br><span class="line">                <span class="keyword">if</span> (instance == <span class="keyword">null</span>) &#123;</span><br><span class="line">                    instance = <span class="keyword">new</span> Singleton2();</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">return</span> instance;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
-<p>这里容易错的有三点，理解了其实就比较好记了</p>
-<p>第一点，为啥不在 getInstance 上整个代码块加 <code>synchronized</code>，这个其实比较容易理解，就是锁的力度太大，性能太差了，这点其实也要去理解，可以举个夸张的例子，比如我一个电商的服务，如果为了避免一个人的订单出现问题，是不是可以从请求入口就把他锁住，到请求结束释放，那么里面做的事情都有保障，然而这显然不可能，因为我们想要这种竞态条件抢占资源的时间尽量减少，防止其他线程等待。<br>第二点，为啥<code>synchronized</code>之已经检查了 <code>instance == null</code>,还要在里面再检查一次，这个有个术语，叫 <code>double check lock</code>,但是为啥要这么做呢，其实很简单，想象当有两个线程，都过了第一步为空判断，这个时候只有一个线程能拿到这个锁，另一个线程就等待了，如果不再判断一次，那么第一个线程新建完对象释放锁之后，第二个线程又能拿到锁，再去创建一个对象。<br>第三点，为啥要<code>volatile</code>关键字，原先对它的理解是它修饰的变量在 JMM 中能及时将变量值写到主存中，但是它还有个很重要的作用，就是防止指令重排序，<code>instance = new Singleton();</code>这行代码其实在底层是分成三条指令执行的，第一条是在堆上申请了一块内存放这个对象，但是对象的字段啥的都还是默认值，第二条是设置对象的值，比如上面的 m 是 9，然后第三条是将这个对象和虚拟机栈上的指针建立引用关联，那么如果我不用<code>volatile</code>关键字，这三条指令就有可能出现重排，比如变成了 1-3-2 这种顺序，当执行完第二步时，有个线程来访问这个对象了，先判断是不是空，发现不是空的，就拿去直接用了，是不是就出现问题了，所以这个<code>volatile</code>也是不可缺少的</p>
-<h2 id="嵌套类"><a href="#嵌套类" class="headerlink" title="嵌套类"></a>嵌套类</h2><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">Singleton3</span> </span>&#123;</span><br><span class="line"></span><br><span class="line">    <span class="function"><span class="keyword">private</span> <span class="title">Singleton3</span><span class="params">()</span> </span>&#123;&#125;</span><br><span class="line">    <span class="comment">// 主要是使用了 嵌套类可以访问外部类的静态属性和静态方法 的特性</span></span><br><span class="line">    <span class="keyword">private</span> <span class="keyword">static</span> <span class="class"><span class="keyword">class</span> <span class="title">Holder</span> </span>&#123;</span><br><span class="line">        <span class="keyword">private</span> <span class="keyword">static</span> Singleton3 instance = <span class="keyword">new</span> Singleton3();</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">static</span> Singleton3 <span class="title">getInstance</span><span class="params">()</span> </span>&#123;</span><br><span class="line">        <span class="keyword">return</span> Holder.instance;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
-<p>这个我个人感觉是饿汉模式的升级版，可以在调用<code>getInstance</code>的时候去实例化对象，也是比较推荐的</p>
-<h2 id="枚举单例"><a href="#枚举单例" class="headerlink" title="枚举单例"></a>枚举单例</h2><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="keyword">enum</span> Singleton &#123;</span><br><span class="line">    INSTANCE;</span><br><span class="line">    </span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">doSomething</span><span class="params">()</span></span>&#123;</span><br><span class="line">        <span class="comment">//todo doSomething</span></span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
-<p>枚举很特殊，它在类加载的时候会初始化里面的所有的实例，而且 JVM 保证了它们不会再被实例化，所以它天生就是单例的。</p>
+          <p>redis是现在服务端很常用的缓存中间件，其实原来还有<code>memcache</code>之类的竞品，但是现在貌似 redis 快一统江湖，这里当然不是在吹，只是个人角度的一个感觉，不权威只是主观感觉。<br>redis 主要有五种数据结构，<code>Strings</code>，<code>Lists</code>，<code>Sets</code>，<code>Hashes</code>，<code>Sorted Sets</code>，这五种数据结构先简单介绍下，<code>Strings</code>类型的其实就是我们最常用的 key-value，实际开发中也会用的最多；<code>Lists</code>是列表，这个有些会用来做队列，因为 redis 目前常用的版本支持丰富的列表操作；还有是<code>Sets</code>集合，这个主要的特点就是集合中元素不重复，可以用在有这类需求的场景里；<code>Hashes</code>是叫散列，类似于 Python 中的字典结构；还有就是<code>Sorted Sets</code>这个是个有序集合；一眼看这些其实没啥特别的，除了最后这个有序集合，不过去了解背后的实现方式还是比较有意思的。</p>
+<h2 id="SDS-简单动态字符串"><a href="#SDS-简单动态字符串" class="headerlink" title="SDS 简单动态字符串"></a>SDS 简单动态字符串</h2><p>先从<code>Strings</code>开始说，了解过 C 语言的应该知道，C 语言中的字符串其实是个 <code>char[]</code> 字符数组，redis 也不例外，只是最开始的版本就对这个做了一丢丢的优化，而正是这一丢丢的优化，让这个 redis 的使用效率提升了数倍</p>
+<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br></pre></td><td class="code"><pre><span class="line"><span class="class"><span class="keyword">struct</span> <span class="title">sdshdr</span> &#123;</span></span><br><span class="line">    <span class="comment">// 字符串长度</span></span><br><span class="line">    <span class="keyword">int</span> len;</span><br><span class="line">    <span class="comment">// 字符串空余字符数</span></span><br><span class="line">    <span class="keyword">int</span> <span class="built_in">free</span>;</span><br><span class="line">    <span class="comment">// 字符串内容</span></span><br><span class="line">    <span class="keyword">char</span> buf[];</span><br><span class="line">&#125;;</span><br></pre></td></tr></table></figure>
+<p>这里引用了 redis 在 github 上最早的 2.2 版本的代码，代码路径是<code>https://github.com/antirez/redis/blob/2.2/src/sds.h</code>,可以看到这个结构体里只有仨元素，两个 int 型和一个 char 型数组，两个 int 型其实就是我说的优化，因为 C 语言本身的字符串数组，有两个问题，一个是要知道它实际已被占用的长度，需要去遍历这个数组，第二个就是比较容易踩坑的是遍历的时候要注意它有个以<code>\0</code>作为结尾的特点；通过上面的两个 int 型参数，一个是知道字符串目前的长度，一个是知道字符串还剩余多少位空间，这样子坐着两个操作从 <code>O(N)</code>简化到了<code>O(1)</code>了，还有第二个 free 还有个比较重要的作用就是能防止 C 字符串的溢出问题，在存储之前可以先判断 free 长度，如果长度不够就先扩容了，先介绍到这，这个系列可以写蛮多的，慢慢介绍吧</p>
+<h2 id="链表"><a href="#链表" class="headerlink" title="链表"></a>链表</h2><p>链表是比较常见的数据结构了，但是因为 redis 是用 C 写的，所以在不依赖第三方库的情况下只能自己写一个了，redis 的链表是个有头的链表，而且是无环的，具体的结构我也找了 github 上最早版本的代码</p>
+<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">listNode</span> &#123;</span></span><br><span class="line">    <span class="comment">// 前置节点</span></span><br><span class="line">    <span class="class"><span class="keyword">struct</span> <span class="title">listNode</span> *<span class="title">prev</span>;</span></span><br><span class="line">    <span class="comment">// 后置节点</span></span><br><span class="line">    <span class="class"><span class="keyword">struct</span> <span class="title">listNode</span> *<span class="title">next</span>;</span></span><br><span class="line">    <span class="comment">// 值</span></span><br><span class="line">    <span class="keyword">void</span> *value;</span><br><span class="line">&#125; listNode;</span><br><span class="line"></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">list</span> &#123;</span></span><br><span class="line">    <span class="comment">// 链表表头</span></span><br><span class="line">    listNode *head;</span><br><span class="line">    <span class="comment">// 当前节点，也可以说是最后节点</span></span><br><span class="line">    listNode *tail;</span><br><span class="line">    <span class="comment">// 节点复制函数</span></span><br><span class="line">    <span class="keyword">void</span> *(*dup)(<span class="keyword">void</span> *ptr);</span><br><span class="line">    <span class="comment">// 节点值释放函数</span></span><br><span class="line">    <span class="keyword">void</span> (*<span class="built_in">free</span>)(<span class="keyword">void</span> *ptr);</span><br><span class="line">    <span class="comment">// 节点值比较函数</span></span><br><span class="line">    <span class="keyword">int</span> (*match)(<span class="keyword">void</span> *ptr, <span class="keyword">void</span> *key);</span><br><span class="line">    <span class="comment">// 链表包含的节点数量</span></span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">int</span> len;</span><br><span class="line">&#125; <span class="built_in">list</span>;</span><br></pre></td></tr></table></figure>
+<p>代码地址是这个<code>https://github.com/antirez/redis/blob/2.2/src/adlist.h</code><br>可以看下节点是由listNode承载的，包括值和一个指向前节点跟一个指向后一节点的两个指针，然后值是 void 指针类型，所以可以承载不同类型的值<br>然后是 list结构用来承载一个链表，包含了表头，和表尾，复制函数，释放函数和比较函数，还有链表长度，因为包含了前两个节点，找到表尾节点跟表头都是 <code>O(1)</code>的时间复杂度，还有节点数量，其实这个跟 SDS 是同一个做法，就是空间换时间，这也是写代码里比较常见的做法，以此让一些高频的操作提速。</p>
+<h2 id="字典"><a href="#字典" class="headerlink" title="字典"></a>字典</h2><p>字典也是个常用的数据结构，其实只是叫法不同，数据结构中叫 hash 散列，Java 中叫 Map，PHP 中是数组 array，Python 中也叫字典 dict，因为纯 C 语言本身不带这些数据结构，所以这也是个痛并快乐着的过程，享受 C 语言的高性能的同时也要接受它只提供了语言的基本功能的现实，各种轮子都需要自己造，redis 同样实现了自己的字典<br>下面来看看代码</p>
+<figure class="highlight c"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">dictEntry</span> &#123;</span></span><br><span class="line">    <span class="keyword">void</span> *key;</span><br><span class="line">    <span class="keyword">void</span> *val;</span><br><span class="line">    <span class="class"><span class="keyword">struct</span> <span class="title">dictEntry</span> *<span class="title">next</span>;</span></span><br><span class="line">&#125; dictEntry;</span><br><span class="line"></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">dictType</span> &#123;</span></span><br><span class="line">    <span class="function"><span class="keyword">unsigned</span> <span class="title">int</span> <span class="params">(*hashFunction)</span><span class="params">(<span class="keyword">const</span> <span class="keyword">void</span> *key)</span></span>;</span><br><span class="line">    <span class="keyword">void</span> *(*keyDup)(<span class="keyword">void</span> *privdata, <span class="keyword">const</span> <span class="keyword">void</span> *key);</span><br><span class="line">    <span class="keyword">void</span> *(*valDup)(<span class="keyword">void</span> *privdata, <span class="keyword">const</span> <span class="keyword">void</span> *obj);</span><br><span class="line">    <span class="keyword">int</span> (*keyCompare)(<span class="keyword">void</span> *privdata, <span class="keyword">const</span> <span class="keyword">void</span> *key1, <span class="keyword">const</span> <span class="keyword">void</span> *key2);</span><br><span class="line">    <span class="keyword">void</span> (*keyDestructor)(<span class="keyword">void</span> *privdata, <span class="keyword">void</span> *key);</span><br><span class="line">    <span class="keyword">void</span> (*valDestructor)(<span class="keyword">void</span> *privdata, <span class="keyword">void</span> *obj);</span><br><span class="line">&#125; dictType;</span><br><span class="line"></span><br><span class="line"><span class="comment">/* This is our hash table structure. Every dictionary has two of this as we</span></span><br><span class="line"><span class="comment"> * implement incremental rehashing, for the old to the new table. */</span></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">dictht</span> &#123;</span></span><br><span class="line">    dictEntry **table;</span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> <span class="built_in">size</span>;</span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> sizemask;</span><br><span class="line">    <span class="keyword">unsigned</span> <span class="keyword">long</span> used;</span><br><span class="line">&#125; dictht;</span><br><span class="line"></span><br><span class="line"><span class="keyword">typedef</span> <span class="class"><span class="keyword">struct</span> <span class="title">dict</span> &#123;</span></span><br><span class="line">    dictType *type;</span><br><span class="line">    <span class="keyword">void</span> *privdata;</span><br><span class="line">    dictht ht[<span class="number">2</span>];</span><br><span class="line">    <span class="keyword">int</span> rehashidx; <span class="comment">/* rehashing not in progress if rehashidx == -1 */</span></span><br><span class="line">    <span class="keyword">int</span> iterators; <span class="comment">/* number of iterators currently running */</span></span><br><span class="line">&#125; dict;</span><br></pre></td></tr></table></figure>
+<p>看了下这个 2.2 版本的代码跟最新版的其实也差的不是很多，所以还是照旧用老代码，可以看到上面四个结构体中，其实只有三个是存储数据用的，dictType 是用来放操作函数的，那么三个存放数据的结构体分别是干嘛的，这时候感觉需要一个图来说明比较好，稍等，我去画个图~<br><img data-src="https://i.loli.net/2019/12/29/UL4AR1HSEKOh9Qm.png" alt=""><br>这个图看着应该比较清楚这些都是用来干嘛的了，dict 是我们的主体结构，它有一个指向 dictType 的指针，这里面包含了字典的操作函数，然后是一个私有数据指针，接下来是一个 dictht 的数组，包含两个dictht，这个就是用来存数据的了，然后是 rehashidx 表示重哈希的状态，当是-1 的时候表示当前没有重哈希，iterators 表示正在遍历的迭代器的数量。<br>首先说说为啥需要有两个 dictht，这是因为字典 dict 这个数据结构随着数据量的增减，会需要在中途做扩容或者缩容操作，如果只有一个的话，对它进行扩容缩容时会影响正常的访问和修改操作，或者说保证正常查询，修改的正确性会比较复杂，并且因为需要高效利用空间，不能一下子申请一个非常大的空间来存很少的数据。当 dict 中 dictht 中的数据量超过 size 的时候负载就超过了 1，就需要进行扩容，这里的其实跟 Java 中的 HashMap 比较类似，超过一定的负载之后进行扩容。这里为啥 size 会超过 1 呢，可能有部分不了解这类结构的同学会比较奇怪，其实就是上图中画的，在数据结构中对于散列的冲突有几类解决方法，比如转换成链表，二次散列，找下个空槽等，这里就使用了链表法，或者说拉链法。当一个新元素通过 hashFunction 得出的 key 跟 sizemask 取模之后的值相同了，那就将其放在原来的节点之前，变成链表挂在数组 dictht.table下面，放在原有节点前是考虑到可能会优先访问。<br>忘了说明下 dictht 跟 dictEntry 的关系了，dictht 就是个哈希表，它里面是个dictEntry 的二维数组，而 dictEntry 是个包含了 key-value 结构之外还有一个 next 指针，因此可以将哈希冲突的以链表的形式保存下来。<br>在重点说下重哈希，可能同样写 Java 的同学对这个比较有感觉，跟 HashMap 一样，会以 2 的 N 次方进行扩容，那么扩容的方法就会比较简单，每个键重哈希要不就在原来这个槽，要不就在原来的槽加原 dictht.size 的位置；然后是重头戏，具体是怎么做扩容呢，其实这里就把第二个 ht 用上了，其实这两个hashtable 的具体作用有点类似于 jvm 中的两个 survival 区，但是又不全一样，因为 redis 在扩容的时候是采用的渐进式地重哈希，什么叫渐进式的呢，就是它不是像 jvm 那种标记复制的模式直接将一个 eden 区和原来的 survival 区存活的对象复制到另一个 survival 区，而是在每一次添加，删除，查找或者更新操作时，都会额外的帮忙搬运一部分的原 dictht 中的数据，这里会根据 rehashidx 的值来判断，如果是-1 表示并没有在重哈希中，如果是 0 表示开始重哈希了，然后rehashidx 还会随着每次的帮忙搬运往上加，但全部被搬运完成后 rehashidx 又变回了-1，又可以扯到Java 中的 Concurrent HashMap, 他在扩容的时候也使用了类似的操作。</p>
 
       
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-            <a href="/2019/12/18/1Q84%E8%AF%BB%E5%90%8E%E6%84%9F/" class="post-title-link" itemprop="url">村上春树《1Q84》读后感</a>
+            <a href="/2019/12/21/%E8%81%8A%E8%81%8AJava%E4%B8%AD%E7%9A%84%E5%8D%95%E4%BE%8B%E6%A8%A1%E5%BC%8F/" class="post-title-link" itemprop="url">聊聊Java中的单例模式</a>
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               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2019-12-18 00:33:09" itemprop="dateCreated datePublished" datetime="2019-12-18T00:33:09+08:00">2019-12-18</time>
+              <time title="Created: 2019-12-21 01:03:09" itemprop="dateCreated datePublished" datetime="2019-12-21T01:03:09+08:00">2019-12-21</time>
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-                <time title="Modified: 2019-12-19 00:08:42" itemprop="dateModified" datetime="2019-12-19T00:08:42+08:00">2019-12-19</time>
+                <time title="Modified: 2019-12-22 08:46:11" itemprop="dateModified" datetime="2019-12-22T08:46:11+08:00">2019-12-22</time>
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-                  <a href="/categories/%E7%94%9F%E6%B4%BB/" itemprop="url" rel="index"><span itemprop="name">生活</span></a>
+                  <a href="/categories/Java/" itemprop="url" rel="index"><span itemprop="name">Java</span></a>
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                   , 
                 <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/%E8%AF%BB%E5%90%8E%E6%84%9F/" itemprop="url" rel="index"><span itemprop="name">读后感</span></a>
+                  <a href="/categories/Java/Design-Patterns/" itemprop="url" rel="index"><span itemprop="name">Design Patterns</span></a>
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+                  <a href="/categories/Java/Singleton/" itemprop="url" rel="index"><span itemprop="name">Singleton</span></a>
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-          <p>看完了村上春树的《1Q84》，这应该是第五本看的他的书了，继 跑步，挪威的森林，刺杀骑士团长，海边的卡夫卡之后，不是其中最长的，好像是海边的卡夫卡还是刺杀骑士团长比较长一点，都是在微信读书上看的，比较方便，最开始在上面看的是高晓松的《鱼羊野史》，不知道为啥取这个名字，但是还是满吸引我的，不过由于去年的种种，没有很多心思把它看完，而且本身的组织形式就是比较松散的，看到哪算哪，其实一些野史部分是我比较喜欢，有些谈到人物的就不太有兴趣，而且类似于大祥哥吃的东西，反正都是哇，怎么这么好吃，嗯，太爱（niu）你（bi）了，高晓松就是这个人是我最喜欢的 xxx 家，我也没去细究过他有没有说重复过，反正是不太爱，后来因为这书还一度对战争史有了浓厚的兴趣，然而事实告诉我，大部头的战争史，其实正史我是真的啃不下去，我可能只对其中 10%的内容感兴趣，不过终于也在今年把它看完了，好像高晓松的晓说也最终季了，貌似其中讲朝鲜战争的还被和谐了，看样子是说出了一些故事（truth）。</p>
-<p>本来只是想把 《1Q84》的读后感写下，现在觉得还是把这篇当成我今年的读书总结吧，不过先从《1Q84》说起。</p>
-<p>严格来讲，这不是很书面化的读后感，可能我想写的也只是像聊天一样的说下我读过的书，包括的技术博客其实也是类似的，以后或许会转变，但是目前水平如此吧，写多了可能会变好，也可能不会。</p>
-<p>开始正文吧，这书有点类似于海边的卡夫卡，一开始是通过两条故事线，穿插着叙述，一条是青豆的，不算是个职业杀手的女杀手，要去解决一个经常家暴的斯文败类，穿着描述得比较性感吧，杀人方式是通过比较长的细针，从脖子后面一个精巧的位置插入，可以造成是未知原因死亡的假象，可能会推断成心梗之类的，这里有个前置的细节，就是青豆是乘坐一辆很高级的出租车，内饰什么的都非常有质感，有点不像一辆出租车，然后车里放了一首比较小众的歌，雅纳切克的《小交响曲》，但是青豆知道它，这跟后面的情节也有些许关系，这是女主人公青豆的出场；相应的男主的出场印象不是太深刻，男主叫天吾，是个不知名的作家，跟一个叫小松的编辑有比较好的关系，虽然天吾还没有拿到比较有分量的奖项，但是小松很看好他，也让他帮忙审校一个新作家奖的投稿文章，虽然天吾自身还没获得过这个奖，天吾还有个正式工作，是当数学老师，天吾在学生时代是个数学天才，但后面有对文学产生了兴趣，文学还不足以养活自己，靠着教课还是能保持温饱；</p>
-<p>接下来是正式故事的起点了，就是小松收到了一部小说投稿，名叫《空气蛹》，是个叫深绘里的女孩子投的稿，小松对他赋予了很高的评价，这里好像记岔了，好像是天吾对这部小说很有好感，但是小松比较怀疑，然后小松看了之后也有了浓厚的兴趣，这里就是开端了，小松想让天吾来重写润色这部《空气蛹》，因为故事本身很有分量，但是描写手法叙事方式等都很拙劣，而天吾正好擅长这个，小松对天吾的评价是，描写技巧无可挑剔，就是故事主体的火花还没际遇迸发，需要一个导火索，这个就可以类比我们程序员，很多比较初中级的程序员主要擅长在原来的代码上修修改改或者给他分配个小功能，比较高级的程序员就需要能做一些项目的架构设计，核心的技术方案设计，以前我也觉得写文档这个比较无聊，但是当一个项目真的比较庞大，复杂的时候，整体和核心部分的架构设计和方案还是需要有文档沉淀的，不然别人不知道没法接受，自己过段时间也会忘记。</p>
-<p>对于小松的这个建议，他的初衷是想搅一搅这个死气沉沉套路颇深的文坛，因为本身《空气蛹》这部小说的内容很吸引人，小松想通过天吾的润色补充让这部小说冲击新人奖，有种恶作剧的意图，天吾对此表示很多担心和顾虑，小松的这个建议其实也是一种文学作假，有两方面的担心，一方面是原作者深绘里是否同意如此操作，一方面是外界如果发现了这个事实会有什么样的后果，但是小松表示不用担心，前一步由小松牵线，让天吾跟原作者深绘里当面沟通这个代写是否被允许，结果当然是被允许了，这里有了对深绘里的初步描写，按我的理解是比较仙的感觉，然后语言沟通有些吃力，或者说有她自己的特色，当面沟通时貌似是让深绘里回去再考虑下，然后后面再由天吾去深绘里寄宿的戎野老师家沟通具体的细节。</p>
-<p>2019年12月18日23:37:19 更新<br>去到戎野老师家之后，天吾知道了关于深绘里的一些事情，深绘里的父亲与戎野老师应该是老友，深绘里的父亲在当初成立了一个叫”先驱”的公社，一个独立运行的社会组织，以运营农场作为物资来源，追求更为松散的共同体，即不过分激进地公有制，进行松散的共同生活，承认私有财产，简而言之就是这样一个能稳定存活下来的独立社会组织，但是随着稳定运行，内部的激进派和稳健派开始出现分歧，不可磨合，后来两派就分裂了，深绘里的父亲，深田保留在了稳健派，但是此时其实深田保内心是矛盾的，以为一开始其实是他倡导的独立革命才组织起了这群人，然而现在他又认清了现实社会已经不太相信能通过革命来独立的可能性，后来激进派便开始越加封闭，而且进行军事训练和思想教育，而后这个先驱的激进派别便有了新的名字”黎明”，深绘里也是在此时从先驱逃离来投靠戎野老师<br>暂时先写到这，未完待续~</p>
+          <p>这是个 Java 面试的高频问题，我也遇到过，以往都是觉得这类题没意思，网上一搜一大堆，也不愿意记，其实说回来，主要还是没静下心来好好去理解，今天无意中看到一个课程，基本帮我把一些疑惑的点讲清楚了，首先单例是啥意思，这个其实是有范围一说，比如我起了个<code>Spring Boot</code>应用，在这个应用范围内，我的常规 bean 是单例的，意味着 getBean 的时候其实永远只会拿到那一个对象，那要怎么来写一个单例呢，首先就是传说中的饿汉模式，也是最简单的</p>
+<h2 id="饿汉模式"><a href="#饿汉模式" class="headerlink" title="饿汉模式"></a>饿汉模式</h2><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">Singleton1</span> </span>&#123;</span><br><span class="line">    <span class="comment">// 首先，将构造方法变成私有的</span></span><br><span class="line">    <span class="function"><span class="keyword">private</span> <span class="title">Singleton1</span><span class="params">()</span> </span>&#123;&#125;;</span><br><span class="line">    <span class="comment">// 创建私有静态实例，这样第一次使用的时候就会进行创建</span></span><br><span class="line">    <span class="keyword">private</span> <span class="keyword">static</span> Singleton instance = <span class="keyword">new</span> Singleton1();</span><br><span class="line"></span><br><span class="line">    <span class="comment">// 使用这个对象都是通过这个 getInstance 来获取</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">static</span> Singleton1 <span class="title">getInstance</span><span class="params">()</span> </span>&#123;</span><br><span class="line">        <span class="keyword">return</span> instance;</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="comment">// 瞎写一个静态方法。这里想说的是，如果我们只是要调用 Singleton.getDate(...)，</span></span><br><span class="line">    <span class="comment">// 本来是不想要生成 Singleton 实例的，不过没办法，已经生成了</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">static</span> Date <span class="title">getDate</span><span class="params">(String mode)</span> </span>&#123;<span class="keyword">return</span> <span class="keyword">new</span> Date();&#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+<p>上面借鉴了一些代码，其实这是最基本，也不会错的方法，但是正如其中<code>getDate</code>方法里说的问题，有时候并没有想那这个对象，但是因为我调用了这个类的静态方法，导致对象已经生成了，可能这也是饿汉模式名字的来由，不管三七二十一给你生成个单例就完事了，不管有没有用，但是这种个人觉得也没啥大问题，如果是面试的话最好说出来它的缺点</p>
+<h2 id="饱汉模式"><a href="#饱汉模式" class="headerlink" title="饱汉模式"></a>饱汉模式</h2><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">Singleton2</span> </span>&#123;</span><br><span class="line">    <span class="comment">// 首先，也是先堵死 new Singleton() 这条路,将构造方法变成私有</span></span><br><span class="line">    <span class="function"><span class="keyword">private</span> <span class="title">Singleton2</span><span class="params">()</span> </span>&#123;&#125;</span><br><span class="line">    <span class="comment">// 和饿汉模式相比，这边不需要先实例化出来，注意这里的 volatile，它是必须的</span></span><br><span class="line">    <span class="keyword">private</span> <span class="keyword">static</span> <span class="keyword">volatile</span> Singleton2 instance = <span class="keyword">null</span>;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">private</span> <span class="keyword">int</span> m = <span class="number">9</span>;</span><br><span class="line"></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">static</span> Singleton <span class="title">getInstance</span><span class="params">()</span> </span>&#123;</span><br><span class="line">        <span class="keyword">if</span> (instance == <span class="keyword">null</span>) &#123;</span><br><span class="line">            <span class="comment">// 加锁</span></span><br><span class="line">            <span class="keyword">synchronized</span> (Singleton2<span class="class">.<span class="keyword">class</span>) </span>&#123;</span><br><span class="line">                <span class="comment">// 这一次判断也是必须的，不然会有并发问题</span></span><br><span class="line">                <span class="keyword">if</span> (instance == <span class="keyword">null</span>) &#123;</span><br><span class="line">                    instance = <span class="keyword">new</span> Singleton2();</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">return</span> instance;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+<p>这里容易错的有三点，理解了其实就比较好记了</p>
+<p>第一点，为啥不在 getInstance 上整个代码块加 <code>synchronized</code>，这个其实比较容易理解，就是锁的力度太大，性能太差了，这点其实也要去理解，可以举个夸张的例子，比如我一个电商的服务，如果为了避免一个人的订单出现问题，是不是可以从请求入口就把他锁住，到请求结束释放，那么里面做的事情都有保障，然而这显然不可能，因为我们想要这种竞态条件抢占资源的时间尽量减少，防止其他线程等待。<br>第二点，为啥<code>synchronized</code>之已经检查了 <code>instance == null</code>,还要在里面再检查一次，这个有个术语，叫 <code>double check lock</code>,但是为啥要这么做呢，其实很简单，想象当有两个线程，都过了第一步为空判断，这个时候只有一个线程能拿到这个锁，另一个线程就等待了，如果不再判断一次，那么第一个线程新建完对象释放锁之后，第二个线程又能拿到锁，再去创建一个对象。<br>第三点，为啥要<code>volatile</code>关键字，原先对它的理解是它修饰的变量在 JMM 中能及时将变量值写到主存中，但是它还有个很重要的作用，就是防止指令重排序，<code>instance = new Singleton();</code>这行代码其实在底层是分成三条指令执行的，第一条是在堆上申请了一块内存放这个对象，但是对象的字段啥的都还是默认值，第二条是设置对象的值，比如上面的 m 是 9，然后第三条是将这个对象和虚拟机栈上的指针建立引用关联，那么如果我不用<code>volatile</code>关键字，这三条指令就有可能出现重排，比如变成了 1-3-2 这种顺序，当执行完第二步时，有个线程来访问这个对象了，先判断是不是空，发现不是空的，就拿去直接用了，是不是就出现问题了，所以这个<code>volatile</code>也是不可缺少的</p>
+<h2 id="嵌套类"><a href="#嵌套类" class="headerlink" title="嵌套类"></a>嵌套类</h2><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">Singleton3</span> </span>&#123;</span><br><span class="line"></span><br><span class="line">    <span class="function"><span class="keyword">private</span> <span class="title">Singleton3</span><span class="params">()</span> </span>&#123;&#125;</span><br><span class="line">    <span class="comment">// 主要是使用了 嵌套类可以访问外部类的静态属性和静态方法 的特性</span></span><br><span class="line">    <span class="keyword">private</span> <span class="keyword">static</span> <span class="class"><span class="keyword">class</span> <span class="title">Holder</span> </span>&#123;</span><br><span class="line">        <span class="keyword">private</span> <span class="keyword">static</span> Singleton3 instance = <span class="keyword">new</span> Singleton3();</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">static</span> Singleton3 <span class="title">getInstance</span><span class="params">()</span> </span>&#123;</span><br><span class="line">        <span class="keyword">return</span> Holder.instance;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+<p>这个我个人感觉是饿汉模式的升级版，可以在调用<code>getInstance</code>的时候去实例化对象，也是比较推荐的</p>
+<h2 id="枚举单例"><a href="#枚举单例" class="headerlink" title="枚举单例"></a>枚举单例</h2><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="keyword">enum</span> Singleton &#123;</span><br><span class="line">    INSTANCE;</span><br><span class="line">    </span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">doSomething</span><span class="params">()</span></span>&#123;</span><br><span class="line">        <span class="comment">//todo doSomething</span></span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+<p>枚举很特殊，它在类加载的时候会初始化里面的所有的实例，而且 JVM 保证了它们不会再被实例化，所以它天生就是单例的。</p>
 
       
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@@ -668,7 +677,7 @@
   
   
   <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2019/12/10/Redis-Part-1/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2019/12/18/1Q84%E8%AF%BB%E5%90%8E%E6%84%9F/">
 
     <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
       <meta itemprop="image" content="/uploads/avatar.jpg">
@@ -682,7 +691,7 @@
       <header class="post-header">
         <h2 class="post-title" itemprop="name headline">
           
-            <a href="/2019/12/10/Redis-Part-1/" class="post-title-link" itemprop="url">Redis_分布式锁</a>
+            <a href="/2019/12/18/1Q84%E8%AF%BB%E5%90%8E%E6%84%9F/" class="post-title-link" itemprop="url">村上春树《1Q84》读后感</a>
         </h2>
 
         <div class="post-meta">
@@ -692,14 +701,14 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2019-12-10 23:26:26" itemprop="dateCreated datePublished" datetime="2019-12-10T23:26:26+08:00">2019-12-10</time>
+              <time title="Created: 2019-12-18 00:33:09" itemprop="dateCreated datePublished" datetime="2019-12-18T00:33:09+08:00">2019-12-18</time>
             </span>
               <span class="post-meta-item">
                 <span class="post-meta-item-icon">
                   <i class="far fa-calendar-check"></i>
                 </span>
                 <span class="post-meta-item-text">Edited on</span>
-                <time title="Modified: 2020-01-12 21:08:27" itemprop="dateModified" datetime="2020-01-12T21:08:27+08:00">2020-01-12</time>
+                <time title="Modified: 2019-12-19 00:08:42" itemprop="dateModified" datetime="2019-12-19T00:08:42+08:00">2019-12-19</time>
               </span>
             <span class="post-meta-item">
               <span class="post-meta-item-icon">
@@ -707,24 +716,20 @@
               </span>
               <span class="post-meta-item-text">In</span>
                 <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/Redis/" itemprop="url" rel="index"><span itemprop="name">Redis</span></a>
-                </span>
-                  , 
-                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/Redis/Distributed-Lock/" itemprop="url" rel="index"><span itemprop="name">Distributed Lock</span></a>
+                  <a href="/categories/%E7%94%9F%E6%B4%BB/" itemprop="url" rel="index"><span itemprop="name">生活</span></a>
                 </span>
                   , 
                 <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/C/" itemprop="url" rel="index"><span itemprop="name">C</span></a>
+                  <a href="/categories/%E8%AF%BB%E5%90%8E%E6%84%9F/" itemprop="url" rel="index"><span itemprop="name">读后感</span></a>
                 </span>
                   , 
                 <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/C/Redis/" itemprop="url" rel="index"><span itemprop="name">Redis</span></a>
+                  <a href="/categories/%E8%AF%BB%E5%90%8E%E6%84%9F/%E6%9D%91%E4%B8%8A%E6%98%A5%E6%A0%91/" itemprop="url" rel="index"><span itemprop="name">村上春树</span></a>
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-            <span id="/2019/12/10/Redis-Part-1/" class="post-meta-item leancloud_visitors" data-flag-title="Redis_分布式锁" title="Views">
+            <span id="/2019/12/18/1Q84%E8%AF%BB%E5%90%8E%E6%84%9F/" class="post-meta-item leancloud_visitors" data-flag-title="村上春树《1Q84》读后感" title="Views">
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+    <a title="disqus" href="/2019/12/18/1Q84%E8%AF%BB%E5%90%8E%E6%84%9F/#disqus_thread" itemprop="discussionUrl">
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-          <p>今天看了一下 <code>redis</code> 分布式锁 <code>redlock</code> 的实现，简单记录下，</p>
-<h2 id="加锁"><a href="#加锁" class="headerlink" title="加锁"></a>加锁</h2><p>原先我对 <code>redis</code> 锁的概念就是加锁使用 <code>setnx</code>，解锁使用 <code>lua</code> 脚本，但是 <code>setnx</code> 具体是啥，<code>lua</code> 脚本是啥不是很清楚<br>首先简单思考下这个问题，首先为啥不是先 <code>get</code> 一下 <code>key</code> 存不存在，然后再 <code>set</code> 一个 <code>key value</code>，因为加锁这个操作我们是要保证两点，一个是不能中途被打断，也就是说要原子性，如果是先 <code>get</code> 一下 <code>key</code>，如果不存在再 <code>set</code> 值的话，那就不是原子操作了；第二个是可不可以直接 <code>set</code> 值呢，显然不行，锁要保证唯一性，有且只能有一个线程或者其他应用单位获得该锁，正好 <code>setnx</code> 给了我们这种原子命令</p>
-<p>然后是 <code>setnx</code> 的键和值分别是啥，键比较容易想到是要锁住的资源，比如 <code>user_id</code>, 这里有个我自己之前比较容易陷进去的误区，但是这个误区后<br>面再说，这里其实是把<code>user_id</code> 作为要锁住的资源，在我获得锁的时候别的线程不允许操作，以此保证业务的正确性，不会被多个线程同时修改，确定了键，再来看看值是啥，其实原先我认为值是啥都没关系，我只要锁住了，光键就够我用了，但是考虑下多个线程的问题，如果我这个线程加了锁，然后我因为 <code>gc</code> 停顿等原因卡死了，这个时候<code>redis</code> 的锁或者说就是 <code>redis</code> 的缓存已经过期了，这时候另一个线程获得锁成功，然后我这个线程又活过来了，然后我就仍然认为我拿着锁，我去对数据进行修改或者释放锁，是不是就出现问题了，所以是不是我们还需要一个东西来区分这个锁是哪个线程加的，所以我们可以将值设置成为一个线程独有识别的值，至少在相对长的一段时间内不会重复。</p>
-<p>上面其实还有两个问题，一个是当 <code>gc</code> 超时时，我这个线程如何知道我手里的锁已经过期了，一种方法是我在加好锁之后就维护一个超时时间，这里其实还有个问题，不过跟第二个问题相关，就一起说了，就是设置超时时间，有些对于不是锁的 <code>redis</code> 缓存操作可以是先设置好值，然后在设置过期时间，那么这就又有上面说到的不是原子性的问题，那么就需要在同一条指令里把超时时间也设置了，幸好 <code>redis</code> 提供了这种支持</p>
-<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">SET resource_name my_random_value NX PX 30000</span><br></pre></td></tr></table></figure>
-<p>这里借鉴一下解释下，<code>resource_name</code>就是 key，代表要锁住的东西，<code>my_random_value</code>就是识别我这个线程的，<code>NX</code>代表只有在不存在的时候才设置，然后<code>PX 30000</code>表示超时时间是 30秒自动过期</p>
-<p>PS：记录下我原先有的一个误区，是不是要用 key 来区分加锁的线程，这样只有一个用处，就是自身线程可以识别是否是自己加的锁，但是最大的问题是别的线程不知道，其实这个用户的出发点是我在担心前面提过的一个问题，就是当 gc 停顿后，我要去判断当前的这个锁是否是我加的，还有就是当释放锁的时候，如果保证不会错误释放了其他线程加的锁，但是这样附带很多其他问题，最大的就是其他线程怎么知道能不能加这个锁。</p>
-<h2 id="解锁"><a href="#解锁" class="headerlink" title="解锁"></a>解锁</h2><p>当线程在锁过期之前就处理完了业务逻辑，那就可以提前释放这个锁，那么提前释放要怎么操作，直接<code>del key</code>显然是不行的，因为这样就是我前面想用线程随机值加资源名作为锁的初衷，我不能去释放别的线程加的锁，那么我要怎么办呢，先 <code>get</code> 一下看是不是我的？那又变成非原子的操作了，幸好redis 也考虑到了这个问题，给了<code>lua</code> 脚本来操作这种</p>
-<figure class="highlight lua"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">if</span> redis.call(<span class="string">"get"</span>,KEYS[<span class="number">1</span>]) == ARGV[<span class="number">1</span>] <span class="keyword">then</span></span><br><span class="line">    <span class="keyword">return</span> redis.call(<span class="string">"del"</span>,KEYS[<span class="number">1</span>])</span><br><span class="line"><span class="keyword">else</span></span><br><span class="line">    <span class="keyword">return</span> <span class="number">0</span></span><br><span class="line"><span class="keyword">end</span></span><br></pre></td></tr></table></figure>
-<p>这里的<code>KEYS[1]</code>就是前面加锁的<code>resource_name</code>,<code>ARGV[1]</code>就是线程的随机值<code>my_random_value</code></p>
-<h2 id="多节点"><a href="#多节点" class="headerlink" title="多节点"></a>多节点</h2><p>前面说的其实是单节点 <code>redis</code> 作为分布式锁的情况，那么当我们的 <code>redis</code> 有多节点的情况呢，如果多节点下处于加锁或者解锁或者锁有效情况下<br><code>redis</code> 的某个节点宕掉了怎么办，这里就有一些需要思考的地方，是否单独搞一个单节点的 <code>redis</code>作为分布式锁专用的，但是如果这个单节点的挂了呢，还有就是成本问题，所以我们需要一个多节点的分布式锁方案<br>这里就引出了开头说到的<code>redlock</code>，这个可是 <code>redis</code>的作者写的, 他的加锁过程是分以下几步去做这个事情</p>
-<ul>
-<li>获取当前时间（毫秒数）。</li>
-<li>按顺序依次向N个Redis节点执行获取锁的操作。这个获取操作跟前面基于单Redis节点的获取锁的过程相同，包含随机字符串my_random_value，也包含过期时间(比如PX 30000，即锁的有效时间)。为了保证在某个Redis节点不可用的时候算法能够继续运行，这个获取锁的操作还有一个超时时间(time out)，它要远小于锁的有效时间（几十毫秒量级）。客户端在向某个Redis节点获取锁失败以后，应该立即尝试下一个Redis节点。这里的失败，应该包含任何类型的失败，比如该Redis节点不可用，或者该Redis节点上的锁已经被其它客户端持有（注：Redlock原文中这里只提到了Redis节点不可用的情况，但也应该包含其它的失败情况）。</li>
-<li>计算整个获取锁的过程总共消耗了多长时间，计算方法是用当前时间减去第1步记录的时间。如果客户端从大多数Redis节点（&gt;= N/2+1）成功获取到了锁，并且获取锁总共消耗的时间没有超过锁的有效时间(lock validity time)，那么这时客户端才认为最终获取锁成功；否则，认为最终获取锁失败。</li>
-<li>如果最终获取锁成功了，那么这个锁的有效时间应该重新计算，它等于最初的锁的有效时间减去第3步计算出来的获取锁消耗的时间。</li>
-<li>如果最终获取锁失败了（可能由于获取到锁的Redis节点个数少于N/2+1，或者整个获取锁的过程消耗的时间超过了锁的最初有效时间），那么客户端应该立即向所有Redis节点发起释放锁的操作（即前面介绍的Redis Lua脚本）。<br>释放锁的过程比较简单：客户端向所有Redis节点发起释放锁的操作，不管这些节点当时在获取锁的时候成功与否。这里为什么要向所有的节点发送释放锁的操作呢，这里是因为有部分的节点的失败原因可能是加锁时阻塞，加锁成功的结果没有及时返回，所以为了防止这种情况还是需要向所有发起这个释放锁的操作。<br>初步记录就先到这。</li>
-</ul>
+          <p>看完了村上春树的《1Q84》，这应该是第五本看的他的书了，继 跑步，挪威的森林，刺杀骑士团长，海边的卡夫卡之后，不是其中最长的，好像是海边的卡夫卡还是刺杀骑士团长比较长一点，都是在微信读书上看的，比较方便，最开始在上面看的是高晓松的《鱼羊野史》，不知道为啥取这个名字，但是还是满吸引我的，不过由于去年的种种，没有很多心思把它看完，而且本身的组织形式就是比较松散的，看到哪算哪，其实一些野史部分是我比较喜欢，有些谈到人物的就不太有兴趣，而且类似于大祥哥吃的东西，反正都是哇，怎么这么好吃，嗯，太爱（niu）你（bi）了，高晓松就是这个人是我最喜欢的 xxx 家，我也没去细究过他有没有说重复过，反正是不太爱，后来因为这书还一度对战争史有了浓厚的兴趣，然而事实告诉我，大部头的战争史，其实正史我是真的啃不下去，我可能只对其中 10%的内容感兴趣，不过终于也在今年把它看完了，好像高晓松的晓说也最终季了，貌似其中讲朝鲜战争的还被和谐了，看样子是说出了一些故事（truth）。</p>
+<p>本来只是想把 《1Q84》的读后感写下，现在觉得还是把这篇当成我今年的读书总结吧，不过先从《1Q84》说起。</p>
+<p>严格来讲，这不是很书面化的读后感，可能我想写的也只是像聊天一样的说下我读过的书，包括的技术博客其实也是类似的，以后或许会转变，但是目前水平如此吧，写多了可能会变好，也可能不会。</p>
+<p>开始正文吧，这书有点类似于海边的卡夫卡，一开始是通过两条故事线，穿插着叙述，一条是青豆的，不算是个职业杀手的女杀手，要去解决一个经常家暴的斯文败类，穿着描述得比较性感吧，杀人方式是通过比较长的细针，从脖子后面一个精巧的位置插入，可以造成是未知原因死亡的假象，可能会推断成心梗之类的，这里有个前置的细节，就是青豆是乘坐一辆很高级的出租车，内饰什么的都非常有质感，有点不像一辆出租车，然后车里放了一首比较小众的歌，雅纳切克的《小交响曲》，但是青豆知道它，这跟后面的情节也有些许关系，这是女主人公青豆的出场；相应的男主的出场印象不是太深刻，男主叫天吾，是个不知名的作家，跟一个叫小松的编辑有比较好的关系，虽然天吾还没有拿到比较有分量的奖项，但是小松很看好他，也让他帮忙审校一个新作家奖的投稿文章，虽然天吾自身还没获得过这个奖，天吾还有个正式工作，是当数学老师，天吾在学生时代是个数学天才，但后面有对文学产生了兴趣，文学还不足以养活自己，靠着教课还是能保持温饱；</p>
+<p>接下来是正式故事的起点了，就是小松收到了一部小说投稿，名叫《空气蛹》，是个叫深绘里的女孩子投的稿，小松对他赋予了很高的评价，这里好像记岔了，好像是天吾对这部小说很有好感，但是小松比较怀疑，然后小松看了之后也有了浓厚的兴趣，这里就是开端了，小松想让天吾来重写润色这部《空气蛹》，因为故事本身很有分量，但是描写手法叙事方式等都很拙劣，而天吾正好擅长这个，小松对天吾的评价是，描写技巧无可挑剔，就是故事主体的火花还没际遇迸发，需要一个导火索，这个就可以类比我们程序员，很多比较初中级的程序员主要擅长在原来的代码上修修改改或者给他分配个小功能，比较高级的程序员就需要能做一些项目的架构设计，核心的技术方案设计，以前我也觉得写文档这个比较无聊，但是当一个项目真的比较庞大，复杂的时候，整体和核心部分的架构设计和方案还是需要有文档沉淀的，不然别人不知道没法接受，自己过段时间也会忘记。</p>
+<p>对于小松的这个建议，他的初衷是想搅一搅这个死气沉沉套路颇深的文坛，因为本身《空气蛹》这部小说的内容很吸引人，小松想通过天吾的润色补充让这部小说冲击新人奖，有种恶作剧的意图，天吾对此表示很多担心和顾虑，小松的这个建议其实也是一种文学作假，有两方面的担心，一方面是原作者深绘里是否同意如此操作，一方面是外界如果发现了这个事实会有什么样的后果，但是小松表示不用担心，前一步由小松牵线，让天吾跟原作者深绘里当面沟通这个代写是否被允许，结果当然是被允许了，这里有了对深绘里的初步描写，按我的理解是比较仙的感觉，然后语言沟通有些吃力，或者说有她自己的特色，当面沟通时貌似是让深绘里回去再考虑下，然后后面再由天吾去深绘里寄宿的戎野老师家沟通具体的细节。</p>
+<p>2019年12月18日23:37:19 更新<br>去到戎野老师家之后，天吾知道了关于深绘里的一些事情，深绘里的父亲与戎野老师应该是老友，深绘里的父亲在当初成立了一个叫”先驱”的公社，一个独立运行的社会组织，以运营农场作为物资来源，追求更为松散的共同体，即不过分激进地公有制，进行松散的共同生活，承认私有财产，简而言之就是这样一个能稳定存活下来的独立社会组织，但是随着稳定运行，内部的激进派和稳健派开始出现分歧，不可磨合，后来两派就分裂了，深绘里的父亲，深田保留在了稳健派，但是此时其实深田保内心是矛盾的，以为一开始其实是他倡导的独立革命才组织起了这群人，然而现在他又认清了现实社会已经不太相信能通过革命来独立的可能性，后来激进派便开始越加封闭，而且进行军事训练和思想教育，而后这个先驱的激进派别便有了新的名字”黎明”，深绘里也是在此时从先驱逃离来投靠戎野老师<br>暂时先写到这，未完待续~</p>
 
       
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href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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+++ b/page/8/index.html
@@ -203,6 +203,132 @@
       
   
   
+  <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2019/12/10/Redis-Part-1/">
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+      <header class="post-header">
+        <h2 class="post-title" itemprop="name headline">
+          
+            <a href="/2019/12/10/Redis-Part-1/" class="post-title-link" itemprop="url">Redis_分布式锁</a>
+        </h2>
+
+        <div class="post-meta">
+            <span class="post-meta-item">
+              <span class="post-meta-item-icon">
+                <i class="far fa-calendar"></i>
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+
+              <time title="Created: 2019-12-10 23:26:26" itemprop="dateCreated datePublished" datetime="2019-12-10T23:26:26+08:00">2019-12-10</time>
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+              <span class="post-meta-item">
+                <span class="post-meta-item-icon">
+                  <i class="far fa-calendar-check"></i>
+                </span>
+                <span class="post-meta-item-text">Edited on</span>
+                <time title="Modified: 2020-01-12 21:08:27" itemprop="dateModified" datetime="2020-01-12T21:08:27+08:00">2020-01-12</time>
+              </span>
+            <span class="post-meta-item">
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+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/Redis/" itemprop="url" rel="index"><span itemprop="name">Redis</span></a>
+                </span>
+                  , 
+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/Redis/Distributed-Lock/" itemprop="url" rel="index"><span itemprop="name">Distributed Lock</span></a>
+                </span>
+                  , 
+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/C/" itemprop="url" rel="index"><span itemprop="name">C</span></a>
+                </span>
+                  , 
+                <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
+                  <a href="/categories/C/Redis/" itemprop="url" rel="index"><span itemprop="name">Redis</span></a>
+                </span>
+            </span>
+
+          
+            <span id="/2019/12/10/Redis-Part-1/" class="post-meta-item leancloud_visitors" data-flag-title="Redis_分布式锁" title="Views">
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+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2019/12/10/Redis-Part-1/" itemprop="commentCount"></span>
+    </a>
+  </span>
+  
+  
+
+        </div>
+      </header>
+
+    
+    
+    
+    <div class="post-body" itemprop="articleBody">
+
+      
+          <p>今天看了一下 <code>redis</code> 分布式锁 <code>redlock</code> 的实现，简单记录下，</p>
+<h2 id="加锁"><a href="#加锁" class="headerlink" title="加锁"></a>加锁</h2><p>原先我对 <code>redis</code> 锁的概念就是加锁使用 <code>setnx</code>，解锁使用 <code>lua</code> 脚本，但是 <code>setnx</code> 具体是啥，<code>lua</code> 脚本是啥不是很清楚<br>首先简单思考下这个问题，首先为啥不是先 <code>get</code> 一下 <code>key</code> 存不存在，然后再 <code>set</code> 一个 <code>key value</code>，因为加锁这个操作我们是要保证两点，一个是不能中途被打断，也就是说要原子性，如果是先 <code>get</code> 一下 <code>key</code>，如果不存在再 <code>set</code> 值的话，那就不是原子操作了；第二个是可不可以直接 <code>set</code> 值呢，显然不行，锁要保证唯一性，有且只能有一个线程或者其他应用单位获得该锁，正好 <code>setnx</code> 给了我们这种原子命令</p>
+<p>然后是 <code>setnx</code> 的键和值分别是啥，键比较容易想到是要锁住的资源，比如 <code>user_id</code>, 这里有个我自己之前比较容易陷进去的误区，但是这个误区后<br>面再说，这里其实是把<code>user_id</code> 作为要锁住的资源，在我获得锁的时候别的线程不允许操作，以此保证业务的正确性，不会被多个线程同时修改，确定了键，再来看看值是啥，其实原先我认为值是啥都没关系，我只要锁住了，光键就够我用了，但是考虑下多个线程的问题，如果我这个线程加了锁，然后我因为 <code>gc</code> 停顿等原因卡死了，这个时候<code>redis</code> 的锁或者说就是 <code>redis</code> 的缓存已经过期了，这时候另一个线程获得锁成功，然后我这个线程又活过来了，然后我就仍然认为我拿着锁，我去对数据进行修改或者释放锁，是不是就出现问题了，所以是不是我们还需要一个东西来区分这个锁是哪个线程加的，所以我们可以将值设置成为一个线程独有识别的值，至少在相对长的一段时间内不会重复。</p>
+<p>上面其实还有两个问题，一个是当 <code>gc</code> 超时时，我这个线程如何知道我手里的锁已经过期了，一种方法是我在加好锁之后就维护一个超时时间，这里其实还有个问题，不过跟第二个问题相关，就一起说了，就是设置超时时间，有些对于不是锁的 <code>redis</code> 缓存操作可以是先设置好值，然后在设置过期时间，那么这就又有上面说到的不是原子性的问题，那么就需要在同一条指令里把超时时间也设置了，幸好 <code>redis</code> 提供了这种支持</p>
+<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">SET resource_name my_random_value NX PX 30000</span><br></pre></td></tr></table></figure>
+<p>这里借鉴一下解释下，<code>resource_name</code>就是 key，代表要锁住的东西，<code>my_random_value</code>就是识别我这个线程的，<code>NX</code>代表只有在不存在的时候才设置，然后<code>PX 30000</code>表示超时时间是 30秒自动过期</p>
+<p>PS：记录下我原先有的一个误区，是不是要用 key 来区分加锁的线程，这样只有一个用处，就是自身线程可以识别是否是自己加的锁，但是最大的问题是别的线程不知道，其实这个用户的出发点是我在担心前面提过的一个问题，就是当 gc 停顿后，我要去判断当前的这个锁是否是我加的，还有就是当释放锁的时候，如果保证不会错误释放了其他线程加的锁，但是这样附带很多其他问题，最大的就是其他线程怎么知道能不能加这个锁。</p>
+<h2 id="解锁"><a href="#解锁" class="headerlink" title="解锁"></a>解锁</h2><p>当线程在锁过期之前就处理完了业务逻辑，那就可以提前释放这个锁，那么提前释放要怎么操作，直接<code>del key</code>显然是不行的，因为这样就是我前面想用线程随机值加资源名作为锁的初衷，我不能去释放别的线程加的锁，那么我要怎么办呢，先 <code>get</code> 一下看是不是我的？那又变成非原子的操作了，幸好redis 也考虑到了这个问题，给了<code>lua</code> 脚本来操作这种</p>
+<figure class="highlight lua"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">if</span> redis.call(<span class="string">"get"</span>,KEYS[<span class="number">1</span>]) == ARGV[<span class="number">1</span>] <span class="keyword">then</span></span><br><span class="line">    <span class="keyword">return</span> redis.call(<span class="string">"del"</span>,KEYS[<span class="number">1</span>])</span><br><span class="line"><span class="keyword">else</span></span><br><span class="line">    <span class="keyword">return</span> <span class="number">0</span></span><br><span class="line"><span class="keyword">end</span></span><br></pre></td></tr></table></figure>
+<p>这里的<code>KEYS[1]</code>就是前面加锁的<code>resource_name</code>,<code>ARGV[1]</code>就是线程的随机值<code>my_random_value</code></p>
+<h2 id="多节点"><a href="#多节点" class="headerlink" title="多节点"></a>多节点</h2><p>前面说的其实是单节点 <code>redis</code> 作为分布式锁的情况，那么当我们的 <code>redis</code> 有多节点的情况呢，如果多节点下处于加锁或者解锁或者锁有效情况下<br><code>redis</code> 的某个节点宕掉了怎么办，这里就有一些需要思考的地方，是否单独搞一个单节点的 <code>redis</code>作为分布式锁专用的，但是如果这个单节点的挂了呢，还有就是成本问题，所以我们需要一个多节点的分布式锁方案<br>这里就引出了开头说到的<code>redlock</code>，这个可是 <code>redis</code>的作者写的, 他的加锁过程是分以下几步去做这个事情</p>
+<ul>
+<li>获取当前时间（毫秒数）。</li>
+<li>按顺序依次向N个Redis节点执行获取锁的操作。这个获取操作跟前面基于单Redis节点的获取锁的过程相同，包含随机字符串my_random_value，也包含过期时间(比如PX 30000，即锁的有效时间)。为了保证在某个Redis节点不可用的时候算法能够继续运行，这个获取锁的操作还有一个超时时间(time out)，它要远小于锁的有效时间（几十毫秒量级）。客户端在向某个Redis节点获取锁失败以后，应该立即尝试下一个Redis节点。这里的失败，应该包含任何类型的失败，比如该Redis节点不可用，或者该Redis节点上的锁已经被其它客户端持有（注：Redlock原文中这里只提到了Redis节点不可用的情况，但也应该包含其它的失败情况）。</li>
+<li>计算整个获取锁的过程总共消耗了多长时间，计算方法是用当前时间减去第1步记录的时间。如果客户端从大多数Redis节点（&gt;= N/2+1）成功获取到了锁，并且获取锁总共消耗的时间没有超过锁的有效时间(lock validity time)，那么这时客户端才认为最终获取锁成功；否则，认为最终获取锁失败。</li>
+<li>如果最终获取锁成功了，那么这个锁的有效时间应该重新计算，它等于最初的锁的有效时间减去第3步计算出来的获取锁消耗的时间。</li>
+<li>如果最终获取锁失败了（可能由于获取到锁的Redis节点个数少于N/2+1，或者整个获取锁的过程消耗的时间超过了锁的最初有效时间），那么客户端应该立即向所有Redis节点发起释放锁的操作（即前面介绍的Redis Lua脚本）。<br>释放锁的过程比较简单：客户端向所有Redis节点发起释放锁的操作，不管这些节点当时在获取锁的时候成功与否。这里为什么要向所有的节点发送释放锁的操作呢，这里是因为有部分的节点的失败原因可能是加锁时阻塞，加锁成功的结果没有及时返回，所以为了防止这种情况还是需要向所有发起这个释放锁的操作。<br>初步记录就先到这。</li>
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-          <h2 id="rabbitmq-介绍"><a href="#rabbitmq-介绍" class="headerlink" title="rabbitmq 介绍"></a>rabbitmq 介绍</h2><p>接触了一下rabbitmq，原来在选型的时候是在rabbitmq跟kafka之间做选择，网上搜了一下之后发现kafka的优势在于吞吐量，而rabbitmq相对注重可靠性，因为应用在im上，需要保证消息不能丢失所以就暂时选定rabbitmq，<br>Message Queue的需求由来已久，80年代最早在金融交易中，高盛等公司采用Teknekron公司的产品，当时的Message queuing软件叫做：the information bus（TIB）。 TIB被电信和通讯公司采用，路透社收购了Teknekron公司。之后，IBM开发了MQSeries，微软开发了Microsoft Message Queue（MSMQ）。这些商业MQ供应商的问题是厂商锁定，价格高昂。2001年，Java Message queuing试图解决锁定和交互性的问题，但对应用来说反而更加麻烦了。<br>RabbitMQ采用Erlang语言开发。Erlang语言由Ericson设计，专门为开发concurrent和distribution系统的一种语言，在电信领域使用广泛。OTP（Open Telecom Platform）作为Erlang语言的一部分，包含了很多基于Erlang开发的中间件／库／工具，如mnesia／SASL，极大方便了Erlang应用的开发。OTP就类似于Python语言中众多的module，用户借助这些module可以很方便的开发应用。<br>于是2004年，摩根大通和iMatrix开始着手<a href="https://en.wikipedia.org/wiki/Advanced_Message_Queuing_Protocol" target="_blank" rel="noopener">Advanced Message Queuing Protocol （AMQP）</a>开放标准的开发。2006年，AMQP规范发布。2007年，Rabbit技术公司基于AMQP标准开发的RabbitMQ 1.0 发布。所有主要的编程语言均有与代理接口通讯的客户端库。</p>
-<h2 id="简单的使用经验"><a href="#简单的使用经验" class="headerlink" title="简单的使用经验"></a>简单的使用经验</h2><h3 id="通俗的理解"><a href="#通俗的理解" class="headerlink" title="通俗的理解"></a>通俗的理解</h3><p>这里介绍下其中的一些概念，connection表示和队列服务器的连接，一般情况下是tcp连接， channel表示通道，可以在一个连接上建立多个通道，这里主要是节省了tcp连接握手的成本，exchange可以理解成一个路由器，将消息推送给对应的队列queue，其实是像一个订阅的模式。</p>
-<h3 id="集群经验"><a href="#集群经验" class="headerlink" title="集群经验"></a>集群经验</h3><p><code>rabbitmqctl stop</code>这个是关闭rabbitmq，在搭建集群时候先关闭服务，然后使用<code>rabbitmq-server -detached</code>静默启动，这时候使用<code>rabbitmqctl cluster_status</code>查看集群状态，因为还没将节点加入集群，所以只能看到类似</p>
-<figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line">Cluster status of node rabbit@rabbit1 ...</span><br><span class="line">[&#123;nodes,[&#123;disc,[rabbit@rabbit1,rabbit@rabbit2,rabbit@rabbit3]&#125;]&#125;,</span><br><span class="line"> &#123;running_nodes,[rabbit@rabbit2,rabbit@rabbit1]&#125;]</span><br><span class="line">...done.</span><br></pre></td></tr></table></figure>
-<p>然后就可以把当前节点加入集群，</p>
-<figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">rabbit2$</span><span class="bash"> rabbitmqctl stop_app <span class="comment">#这个stop_app与stop的区别是前者停的是rabbitmq应用，保留erlang节点，</span></span></span><br><span class="line">                              #后者是停止了rabbitmq和erlang节点</span><br><span class="line">Stopping node rabbit@rabbit2 ...done.</span><br><span class="line"><span class="meta">rabbit2$</span><span class="bash"> rabbitmqctl join_cluster rabbit@rabbit1 <span class="comment">#这里可以用--ram指定将当前节点作为内存节点加入集群</span></span></span><br><span class="line">Clustering node rabbit@rabbit2 with [rabbit@rabbit1] ...done.</span><br><span class="line"><span class="meta">rabbit2$</span><span class="bash"> rabbitmqctl start_app</span></span><br><span class="line">Starting node rabbit@rabbit2 ...done.</span><br></pre></td></tr></table></figure>
-<p>其他可以参考<a href="http://www.rabbitmq.com/clustering.html" target="_blank" rel="noopener">官方文档</a></p>
-<h2 id="一些坑"><a href="#一些坑" class="headerlink" title="一些坑"></a>一些坑</h2><h3 id="消息丢失"><a href="#消息丢失" class="headerlink" title="消息丢失"></a>消息丢失</h3><p>这里碰到过一个坑，对于使用exchange来做消息路由的，会有一个情况，就是在routing_key没被订阅的时候，会将该条找不到路由对应的queue的消息丢掉<code>What happens if we break our contract and send a message with one or four words, like &quot;orange&quot; or &quot;quick.orange.male.rabbit&quot;? Well, these messages won&#39;t match any bindings and will be lost.</code><a href="http://www.rabbitmq.com/tutorials/tutorial-five-python.html" target="_blank" rel="noopener">对应链接</a>,而当使用空的exchange时，会保留消息，当出现消费者的时候就可以将收到之前生产者所推送的消息<a href="http://www.rabbitmq.com/tutorials/tutorial-two-python.html" target="_blank" rel="noopener">对应链接</a>,这里就是用了空的exchange。</p>
-<h3 id="集群搭建"><a href="#集群搭建" class="headerlink" title="集群搭建"></a>集群搭建</h3><p>集群搭建的时候有个erlang vm生成的random cookie，这个是用来做集群之间认证的，相同的cookie才能连接，但是如果通过vim打开复制后在其他几点新建文件写入会多一个换行，导致集群建立是报错，所以这里最好使用scp等传输命令直接传输cookie文件，同时要注意下cookie的文件权限。<br>另外在集群搭建的时候如果更改过hostname，那么要把rabbitmq的数据库删除，否则启动后会马上挂掉</p>
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href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" 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-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2017/03/28/spark-little-tips/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2017/04/25/rabbitmq-tips/">
 
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         <h2 class="post-title" itemprop="name headline">
           
-            <a href="/2017/03/28/spark-little-tips/" class="post-title-link" itemprop="url">spark-little-tips</a>
+            <a href="/2017/04/25/rabbitmq-tips/" class="post-title-link" itemprop="url">rabbitmq-tips</a>
         </h2>
 
         <div class="post-meta">
@@ -228,7 +228,7 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2017-03-28 19:20:56" itemprop="dateCreated datePublished" datetime="2017-03-28T19:20:56+08:00">2017-03-28</time>
+              <time title="Created: 2017-04-25 21:46:55" itemprop="dateCreated datePublished" datetime="2017-04-25T21:46:55+08:00">2017-04-25</time>
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               <span class="post-meta-item-text">In</span>
                 <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/data-analysis/" itemprop="url" rel="index"><span itemprop="name">data analysis</span></a>
+                  <a href="/categories/php/" itemprop="url" rel="index"><span itemprop="name">php</span></a>
                 </span>
             </span>
 
           
-            <span id="/2017/03/28/spark-little-tips/" class="post-meta-item leancloud_visitors" data-flag-title="spark-little-tips" title="Views">
+            <span id="/2017/04/25/rabbitmq-tips/" class="post-meta-item leancloud_visitors" data-flag-title="rabbitmq-tips" title="Views">
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                 <i class="fa fa-eye"></i>
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@@ -263,8 +263,8 @@
       </span>
       <span class="post-meta-item-text">Disqus: </span>
     
-    <a title="disqus" href="/2017/03/28/spark-little-tips/#disqus_thread" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2017/03/28/spark-little-tips/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2017/04/25/rabbitmq-tips/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2017/04/25/rabbitmq-tips/" itemprop="commentCount"></span>
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@@ -279,11 +279,15 @@
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-          <h2 id="spark-的一些粗浅使用经验"><a href="#spark-的一些粗浅使用经验" class="headerlink" title="spark 的一些粗浅使用经验"></a>spark 的一些粗浅使用经验</h2><p>工作中学习使用了一下Spark做数据分析,主要是用spark的python接口，首先是<code>pyspark.SparkContext(appName=xxx)</code>，这是初始化一个Spark应用实例或者说会话，不能重复，<br>返回的实例句柄就可以调用<code>textFile(path)</code>读取文本文件，这里的文本文件可以是HDFS上的文本文件，也可以普通文本文件，但是需要在Spark的所有集群上都存在，否则会<br>读取失败，<code>parallelize</code>则可以将python生成的集合数据读取后转换成rdd(A Resilient Distributed Dataset (RDD),一种spark下的基本抽象数据集),基于这个RDD就可以做<br>数据的流式计算，例如<code>map reduce</code>,在Spark中可以非常方便地实现  </p>
-<h3 id="简单的mapreduce-word-count示例"><a href="#简单的mapreduce-word-count示例" class="headerlink" title="简单的mapreduce word count示例"></a>简单的mapreduce word count示例</h3><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line">textFile = sc.parallelize([(<span class="number">1</span>,<span class="number">1</span>), (<span class="number">2</span>,<span class="number">1</span>), (<span class="number">3</span>,<span class="number">1</span>), (<span class="number">4</span>,<span class="number">1</span>), (<span class="number">5</span>,<span class="number">1</span>),(<span class="number">1</span>,<span class="number">1</span>), (<span class="number">2</span>,<span class="number">1</span>), (<span class="number">3</span>,<span class="number">1</span>), (<span class="number">4</span>,<span class="number">1</span>), (<span class="number">5</span>,<span class="number">1</span>)])</span><br><span class="line">data = textFile.reduceByKey(<span class="keyword">lambda</span> x, y: x + y).collect()</span><br><span class="line"><span class="keyword">for</span> _ <span class="keyword">in</span> data:</span><br><span class="line">    print(_)</span><br></pre></td></tr></table></figure>
-
-
-<h3 id="结果"><a href="#结果" class="headerlink" title="结果"></a>结果</h3><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line">(3, 2)</span><br><span class="line">(1, 2)</span><br><span class="line">(4, 2)</span><br><span class="line">(2, 2)</span><br><span class="line">(5, 2)</span><br></pre></td></tr></table></figure>
+          <h2 id="rabbitmq-介绍"><a href="#rabbitmq-介绍" class="headerlink" title="rabbitmq 介绍"></a>rabbitmq 介绍</h2><p>接触了一下rabbitmq，原来在选型的时候是在rabbitmq跟kafka之间做选择，网上搜了一下之后发现kafka的优势在于吞吐量，而rabbitmq相对注重可靠性，因为应用在im上，需要保证消息不能丢失所以就暂时选定rabbitmq，<br>Message Queue的需求由来已久，80年代最早在金融交易中，高盛等公司采用Teknekron公司的产品，当时的Message queuing软件叫做：the information bus（TIB）。 TIB被电信和通讯公司采用，路透社收购了Teknekron公司。之后，IBM开发了MQSeries，微软开发了Microsoft Message Queue（MSMQ）。这些商业MQ供应商的问题是厂商锁定，价格高昂。2001年，Java Message queuing试图解决锁定和交互性的问题，但对应用来说反而更加麻烦了。<br>RabbitMQ采用Erlang语言开发。Erlang语言由Ericson设计，专门为开发concurrent和distribution系统的一种语言，在电信领域使用广泛。OTP（Open Telecom Platform）作为Erlang语言的一部分，包含了很多基于Erlang开发的中间件／库／工具，如mnesia／SASL，极大方便了Erlang应用的开发。OTP就类似于Python语言中众多的module，用户借助这些module可以很方便的开发应用。<br>于是2004年，摩根大通和iMatrix开始着手<a href="https://en.wikipedia.org/wiki/Advanced_Message_Queuing_Protocol" target="_blank" rel="noopener">Advanced Message Queuing Protocol （AMQP）</a>开放标准的开发。2006年，AMQP规范发布。2007年，Rabbit技术公司基于AMQP标准开发的RabbitMQ 1.0 发布。所有主要的编程语言均有与代理接口通讯的客户端库。</p>
+<h2 id="简单的使用经验"><a href="#简单的使用经验" class="headerlink" title="简单的使用经验"></a>简单的使用经验</h2><h3 id="通俗的理解"><a href="#通俗的理解" class="headerlink" title="通俗的理解"></a>通俗的理解</h3><p>这里介绍下其中的一些概念，connection表示和队列服务器的连接，一般情况下是tcp连接， channel表示通道，可以在一个连接上建立多个通道，这里主要是节省了tcp连接握手的成本，exchange可以理解成一个路由器，将消息推送给对应的队列queue，其实是像一个订阅的模式。</p>
+<h3 id="集群经验"><a href="#集群经验" class="headerlink" title="集群经验"></a>集群经验</h3><p><code>rabbitmqctl stop</code>这个是关闭rabbitmq，在搭建集群时候先关闭服务，然后使用<code>rabbitmq-server -detached</code>静默启动，这时候使用<code>rabbitmqctl cluster_status</code>查看集群状态，因为还没将节点加入集群，所以只能看到类似</p>
+<figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line">Cluster status of node rabbit@rabbit1 ...</span><br><span class="line">[&#123;nodes,[&#123;disc,[rabbit@rabbit1,rabbit@rabbit2,rabbit@rabbit3]&#125;]&#125;,</span><br><span class="line"> &#123;running_nodes,[rabbit@rabbit2,rabbit@rabbit1]&#125;]</span><br><span class="line">...done.</span><br></pre></td></tr></table></figure>
+<p>然后就可以把当前节点加入集群，</p>
+<figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">rabbit2$</span><span class="bash"> rabbitmqctl stop_app <span class="comment">#这个stop_app与stop的区别是前者停的是rabbitmq应用，保留erlang节点，</span></span></span><br><span class="line">                              #后者是停止了rabbitmq和erlang节点</span><br><span class="line">Stopping node rabbit@rabbit2 ...done.</span><br><span class="line"><span class="meta">rabbit2$</span><span class="bash"> rabbitmqctl join_cluster rabbit@rabbit1 <span class="comment">#这里可以用--ram指定将当前节点作为内存节点加入集群</span></span></span><br><span class="line">Clustering node rabbit@rabbit2 with [rabbit@rabbit1] ...done.</span><br><span class="line"><span class="meta">rabbit2$</span><span class="bash"> rabbitmqctl start_app</span></span><br><span class="line">Starting node rabbit@rabbit2 ...done.</span><br></pre></td></tr></table></figure>
+<p>其他可以参考<a href="http://www.rabbitmq.com/clustering.html" target="_blank" rel="noopener">官方文档</a></p>
+<h2 id="一些坑"><a href="#一些坑" class="headerlink" title="一些坑"></a>一些坑</h2><h3 id="消息丢失"><a href="#消息丢失" class="headerlink" title="消息丢失"></a>消息丢失</h3><p>这里碰到过一个坑，对于使用exchange来做消息路由的，会有一个情况，就是在routing_key没被订阅的时候，会将该条找不到路由对应的queue的消息丢掉<code>What happens if we break our contract and send a message with one or four words, like &quot;orange&quot; or &quot;quick.orange.male.rabbit&quot;? Well, these messages won&#39;t match any bindings and will be lost.</code><a href="http://www.rabbitmq.com/tutorials/tutorial-five-python.html" target="_blank" rel="noopener">对应链接</a>,而当使用空的exchange时，会保留消息，当出现消费者的时候就可以将收到之前生产者所推送的消息<a href="http://www.rabbitmq.com/tutorials/tutorial-two-python.html" target="_blank" rel="noopener">对应链接</a>,这里就是用了空的exchange。</p>
+<h3 id="集群搭建"><a href="#集群搭建" class="headerlink" title="集群搭建"></a>集群搭建</h3><p>集群搭建的时候有个erlang vm生成的random cookie，这个是用来做集群之间认证的，相同的cookie才能连接，但是如果通过vim打开复制后在其他几点新建文件写入会多一个换行，导致集群建立是报错，所以这里最好使用scp等传输命令直接传输cookie文件，同时要注意下cookie的文件权限。<br>另外在集群搭建的时候如果更改过hostname，那么要把rabbitmq的数据库删除，否则启动后会马上挂掉</p>
 
       
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-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2016/11/10/php-abstract-class-and-interface/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2017/03/28/spark-little-tips/">
 
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-            <a href="/2016/11/10/php-abstract-class-and-interface/" class="post-title-link" itemprop="url">php-abstract-class-and-interface</a>
+            <a href="/2017/03/28/spark-little-tips/" class="post-title-link" itemprop="url">spark-little-tips</a>
         </h2>
 
         <div class="post-meta">
@@ -329,14 +333,14 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2016-11-10 10:42:35" itemprop="dateCreated datePublished" datetime="2016-11-10T10:42:35+08:00">2016-11-10</time>
+              <time title="Created: 2017-03-28 19:20:56" itemprop="dateCreated datePublished" datetime="2017-03-28T19:20:56+08:00">2017-03-28</time>
             </span>
               <span class="post-meta-item">
                 <span class="post-meta-item-icon">
                   <i class="far fa-calendar-check"></i>
                 </span>
                 <span class="post-meta-item-text">Edited on</span>
-                <time title="Modified: 2020-01-12 21:08:27" itemprop="dateModified" datetime="2020-01-12T21:08:27+08:00">2020-01-12</time>
+                <time title="Modified: 2020-01-12 21:08:26" itemprop="dateModified" datetime="2020-01-12T21:08:26+08:00">2020-01-12</time>
               </span>
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               <span class="post-meta-item-text">In</span>
                 <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/php/" itemprop="url" rel="index"><span itemprop="name">php</span></a>
+                  <a href="/categories/data-analysis/" itemprop="url" rel="index"><span itemprop="name">data analysis</span></a>
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             </span>
 
           
-            <span id="/2016/11/10/php-abstract-class-and-interface/" class="post-meta-item leancloud_visitors" data-flag-title="php-abstract-class-and-interface" title="Views">
+            <span id="/2017/03/28/spark-little-tips/" class="post-meta-item leancloud_visitors" data-flag-title="spark-little-tips" title="Views">
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@@ -364,8 +368,8 @@
       </span>
       <span class="post-meta-item-text">Disqus: </span>
     
-    <a title="disqus" href="/2016/11/10/php-abstract-class-and-interface/#disqus_thread" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2016/11/10/php-abstract-class-and-interface/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2017/03/28/spark-little-tips/#disqus_thread" itemprop="discussionUrl">
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-          <h2 id="PHP抽象类和接口"><a href="#PHP抽象类和接口" class="headerlink" title="PHP抽象类和接口"></a>PHP抽象类和接口</h2><ul>
-<li>抽象类与接口</li>
-<li>抽象类内可以包含非抽象函数，即可实现函数</li>
-<li>抽象类内必须包含至少一个抽象方法，抽象类和接口均不能实例化</li>
-<li>抽象类可以设置访问级别，接口默认都是public</li>
-<li>类可以实现多个接口但不能继承多个抽象类</li>
-<li>类必须实现抽象类和接口里的抽象方法，不一定要实现抽象类的非抽象方法</li>
-<li>接口内不能定义变量，但是可以定义常量</li>
-</ul>
-<h2 id="示例代码"><a href="#示例代码" class="headerlink" title="示例代码"></a>示例代码</h2><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br></pre></td><td class="code"><pre><span class="line">&lt;?php</span><br><span class="line">interface int1&#123;</span><br><span class="line">    const INTER1 &#x3D; 111;</span><br><span class="line">    function inter1();</span><br><span class="line">&#125;</span><br><span class="line">interface int2&#123;</span><br><span class="line">    const INTER1 &#x3D; 222;</span><br><span class="line">    function inter2();</span><br><span class="line">&#125;</span><br><span class="line">abstract class abst1&#123;</span><br><span class="line">    public function abstr1()&#123;</span><br><span class="line">        echo 1111;</span><br><span class="line">    &#125;</span><br><span class="line">    abstract function abstra1()&#123;</span><br><span class="line">        echo &#39;ahahahha&#39;;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br><span class="line">abstract class abst2&#123;</span><br><span class="line">    public function abstr2()&#123;</span><br><span class="line">        echo 1111;</span><br><span class="line">    &#125;</span><br><span class="line">    abstract function abstra2();</span><br><span class="line">&#125;</span><br><span class="line">class normal1 extends abst1&#123;</span><br><span class="line">    protected function abstr2()&#123;</span><br><span class="line">        echo 222;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+          <h2 id="spark-的一些粗浅使用经验"><a href="#spark-的一些粗浅使用经验" class="headerlink" title="spark 的一些粗浅使用经验"></a>spark 的一些粗浅使用经验</h2><p>工作中学习使用了一下Spark做数据分析,主要是用spark的python接口，首先是<code>pyspark.SparkContext(appName=xxx)</code>，这是初始化一个Spark应用实例或者说会话，不能重复，<br>返回的实例句柄就可以调用<code>textFile(path)</code>读取文本文件，这里的文本文件可以是HDFS上的文本文件，也可以普通文本文件，但是需要在Spark的所有集群上都存在，否则会<br>读取失败，<code>parallelize</code>则可以将python生成的集合数据读取后转换成rdd(A Resilient Distributed Dataset (RDD),一种spark下的基本抽象数据集),基于这个RDD就可以做<br>数据的流式计算，例如<code>map reduce</code>,在Spark中可以非常方便地实现  </p>
+<h3 id="简单的mapreduce-word-count示例"><a href="#简单的mapreduce-word-count示例" class="headerlink" title="简单的mapreduce word count示例"></a>简单的mapreduce word count示例</h3><figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line">textFile = sc.parallelize([(<span class="number">1</span>,<span class="number">1</span>), (<span class="number">2</span>,<span class="number">1</span>), (<span class="number">3</span>,<span class="number">1</span>), (<span class="number">4</span>,<span class="number">1</span>), (<span class="number">5</span>,<span class="number">1</span>),(<span class="number">1</span>,<span class="number">1</span>), (<span class="number">2</span>,<span class="number">1</span>), (<span class="number">3</span>,<span class="number">1</span>), (<span class="number">4</span>,<span class="number">1</span>), (<span class="number">5</span>,<span class="number">1</span>)])</span><br><span class="line">data = textFile.reduceByKey(<span class="keyword">lambda</span> x, y: x + y).collect()</span><br><span class="line"><span class="keyword">for</span> _ <span class="keyword">in</span> data:</span><br><span class="line">    print(_)</span><br></pre></td></tr></table></figure>
 
-<h2 id="result"><a href="#result" class="headerlink" title="result"></a>result</h2><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">PHP Fatal error:  Abstract function abst1::abstra1() cannot contain body in new.php on line 17</span><br><span class="line"></span><br><span class="line">Fatal error: Abstract function abst1::abstra1() cannot contain body in php on line 17</span><br></pre></td></tr></table></figure>
+
+<h3 id="结果"><a href="#结果" class="headerlink" title="结果"></a>结果</h3><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line">(3, 2)</span><br><span class="line">(1, 2)</span><br><span class="line">(4, 2)</span><br><span class="line">(2, 2)</span><br><span class="line">(5, 2)</span><br></pre></td></tr></table></figure>
 
       
     </div>
@@ -413,7 +410,7 @@
   
   
   <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2016/10/12/summary-ranges-228/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2016/11/10/php-abstract-class-and-interface/">
 
     <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
       <meta itemprop="image" content="/uploads/avatar.jpg">
@@ -427,7 +424,7 @@
       <header class="post-header">
         <h2 class="post-title" itemprop="name headline">
           
-            <a href="/2016/10/12/summary-ranges-228/" class="post-title-link" itemprop="url">summary-ranges-228</a>
+            <a href="/2016/11/10/php-abstract-class-and-interface/" class="post-title-link" itemprop="url">php-abstract-class-and-interface</a>
         </h2>
 
         <div class="post-meta">
@@ -437,14 +434,14 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2016-10-12 23:25:17" itemprop="dateCreated datePublished" datetime="2016-10-12T23:25:17+08:00">2016-10-12</time>
+              <time title="Created: 2016-11-10 10:42:35" itemprop="dateCreated datePublished" datetime="2016-11-10T10:42:35+08:00">2016-11-10</time>
             </span>
               <span class="post-meta-item">
                 <span class="post-meta-item-icon">
                   <i class="far fa-calendar-check"></i>
                 </span>
                 <span class="post-meta-item-text">Edited on</span>
-                <time title="Modified: 2020-01-12 21:08:26" itemprop="dateModified" datetime="2020-01-12T21:08:26+08:00">2020-01-12</time>
+                <time title="Modified: 2020-01-12 21:08:27" itemprop="dateModified" datetime="2020-01-12T21:08:27+08:00">2020-01-12</time>
               </span>
             <span class="post-meta-item">
               <span class="post-meta-item-icon">
@@ -452,12 +449,12 @@
               </span>
               <span class="post-meta-item-text">In</span>
                 <span itemprop="about" itemscope itemtype="http://schema.org/Thing">
-                  <a href="/categories/leetcode/" itemprop="url" rel="index"><span itemprop="name">leetcode</span></a>
+                  <a href="/categories/php/" itemprop="url" rel="index"><span itemprop="name">php</span></a>
                 </span>
             </span>
 
           
-            <span id="/2016/10/12/summary-ranges-228/" class="post-meta-item leancloud_visitors" data-flag-title="summary-ranges-228" title="Views">
+            <span id="/2016/11/10/php-abstract-class-and-interface/" class="post-meta-item leancloud_visitors" data-flag-title="php-abstract-class-and-interface" title="Views">
               <span class="post-meta-item-icon">
                 <i class="fa fa-eye"></i>
               </span>
@@ -472,8 +469,8 @@
       </span>
       <span class="post-meta-item-text">Disqus: </span>
     
-    <a title="disqus" href="/2016/10/12/summary-ranges-228/#disqus_thread" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2016/10/12/summary-ranges-228/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2016/11/10/php-abstract-class-and-interface/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2016/11/10/php-abstract-class-and-interface/" itemprop="commentCount"></span>
     </a>
   </span>
   
@@ -488,10 +485,19 @@
     <div class="post-body" itemprop="articleBody">
 
       
-          <h4 id="problem"><a href="#problem" class="headerlink" title="problem"></a>problem</h4><p>Given a sorted integer array without duplicates, return the summary of its ranges.</p>
-<p>For example, given <code>[0,1,2,4,5,7]</code>, return <code>[&quot;0-&gt;2&quot;,&quot;4-&gt;5&quot;,&quot;7&quot;]</code>.</p>
-<h4 id="题解"><a href="#题解" class="headerlink" title="题解"></a>题解</h4><p>每一个区间的起点<code>nums[i]</code>加上<code>j</code>是否等于<code>nums[i+j]</code><br><a href="http://www.cnblogs.com/grandyang/p/4603555.html" target="_blank" rel="noopener">参考</a></p>
-<h4 id="Code"><a href="#Code" class="headerlink" title="Code"></a>Code</h4><figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br></pre></td><td class="code"><pre><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">Solution</span> &#123;</span></span><br><span class="line"><span class="keyword">public</span>:</span><br><span class="line">    <span class="function"><span class="built_in">vector</span>&lt;<span class="built_in">string</span>&gt; <span class="title">summaryRanges</span><span class="params">(<span class="built_in">vector</span>&lt;<span class="keyword">int</span>&gt;&amp; nums)</span> </span>&#123;</span><br><span class="line">        <span class="keyword">int</span> i = <span class="number">0</span>, j = <span class="number">1</span>, n;</span><br><span class="line">        <span class="built_in">vector</span>&lt;<span class="built_in">string</span>&gt; res;</span><br><span class="line">        n = nums.<span class="built_in">size</span>();</span><br><span class="line">        <span class="keyword">while</span>(i &lt; n)&#123;</span><br><span class="line">            j = <span class="number">1</span>;</span><br><span class="line">            <span class="keyword">while</span>(j &lt; n &amp;&amp; nums[i+j] - nums[i] == j) j++;</span><br><span class="line">            res.push_back(j &lt;= <span class="number">1</span> ? to_string(nums[i]) : to_string(nums[i]) + <span class="string">"-&gt;"</span> + to_string(nums[i + j - <span class="number">1</span>]));</span><br><span class="line">            i += j;</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">return</span> res;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;;</span><br></pre></td></tr></table></figure>
+          <h2 id="PHP抽象类和接口"><a href="#PHP抽象类和接口" class="headerlink" title="PHP抽象类和接口"></a>PHP抽象类和接口</h2><ul>
+<li>抽象类与接口</li>
+<li>抽象类内可以包含非抽象函数，即可实现函数</li>
+<li>抽象类内必须包含至少一个抽象方法，抽象类和接口均不能实例化</li>
+<li>抽象类可以设置访问级别，接口默认都是public</li>
+<li>类可以实现多个接口但不能继承多个抽象类</li>
+<li>类必须实现抽象类和接口里的抽象方法，不一定要实现抽象类的非抽象方法</li>
+<li>接口内不能定义变量，但是可以定义常量</li>
+</ul>
+<h2 id="示例代码"><a href="#示例代码" class="headerlink" title="示例代码"></a>示例代码</h2><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br></pre></td><td class="code"><pre><span class="line">&lt;?php</span><br><span class="line">interface int1&#123;</span><br><span class="line">    const INTER1 &#x3D; 111;</span><br><span class="line">    function inter1();</span><br><span class="line">&#125;</span><br><span class="line">interface int2&#123;</span><br><span class="line">    const INTER1 &#x3D; 222;</span><br><span class="line">    function inter2();</span><br><span class="line">&#125;</span><br><span class="line">abstract class abst1&#123;</span><br><span class="line">    public function abstr1()&#123;</span><br><span class="line">        echo 1111;</span><br><span class="line">    &#125;</span><br><span class="line">    abstract function abstra1()&#123;</span><br><span class="line">        echo &#39;ahahahha&#39;;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br><span class="line">abstract class abst2&#123;</span><br><span class="line">    public function abstr2()&#123;</span><br><span class="line">        echo 1111;</span><br><span class="line">    &#125;</span><br><span class="line">    abstract function abstra2();</span><br><span class="line">&#125;</span><br><span class="line">class normal1 extends abst1&#123;</span><br><span class="line">    protected function abstr2()&#123;</span><br><span class="line">        echo 222;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+<h2 id="result"><a href="#result" class="headerlink" title="result"></a>result</h2><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">PHP Fatal error:  Abstract function abst1::abstra1() cannot contain body in new.php on line 17</span><br><span class="line"></span><br><span class="line">Fatal error: Abstract function abst1::abstra1() cannot contain body in php on line 17</span><br></pre></td></tr></table></figure>
+
       
     </div>
 
@@ -512,7 +518,7 @@
   
   
   <article itemscope itemtype="http://schema.org/Article" class="post-block" lang="zh-Hans">
-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2016/10/11/minimum-size-subarray-sum-209/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2016/10/12/summary-ranges-228/">
 
     <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
       <meta itemprop="image" content="/uploads/avatar.jpg">
@@ -526,7 +532,7 @@
       <header class="post-header">
         <h2 class="post-title" itemprop="name headline">
           
-            <a href="/2016/10/11/minimum-size-subarray-sum-209/" class="post-title-link" itemprop="url">minimum-size-subarray-sum-209</a>
+            <a href="/2016/10/12/summary-ranges-228/" class="post-title-link" itemprop="url">summary-ranges-228</a>
         </h2>
 
         <div class="post-meta">
@@ -536,14 +542,14 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2016-10-11 22:04:28" itemprop="dateCreated datePublished" datetime="2016-10-11T22:04:28+08:00">2016-10-11</time>
+              <time title="Created: 2016-10-12 23:25:17" itemprop="dateCreated datePublished" datetime="2016-10-12T23:25:17+08:00">2016-10-12</time>
             </span>
               <span class="post-meta-item">
                 <span class="post-meta-item-icon">
                   <i class="far fa-calendar-check"></i>
                 </span>
                 <span class="post-meta-item-text">Edited on</span>
-                <time title="Modified: 2020-01-12 21:08:27" itemprop="dateModified" datetime="2020-01-12T21:08:27+08:00">2020-01-12</time>
+                <time title="Modified: 2020-01-12 21:08:26" itemprop="dateModified" datetime="2020-01-12T21:08:26+08:00">2020-01-12</time>
               </span>
             <span class="post-meta-item">
               <span class="post-meta-item-icon">
@@ -556,7 +562,7 @@
             </span>
 
           
-            <span id="/2016/10/11/minimum-size-subarray-sum-209/" class="post-meta-item leancloud_visitors" data-flag-title="minimum-size-subarray-sum-209" title="Views">
+            <span id="/2016/10/12/summary-ranges-228/" class="post-meta-item leancloud_visitors" data-flag-title="summary-ranges-228" title="Views">
               <span class="post-meta-item-icon">
                 <i class="fa fa-eye"></i>
               </span>
@@ -571,8 +577,8 @@
       </span>
       <span class="post-meta-item-text">Disqus: </span>
     
-    <a title="disqus" href="/2016/10/11/minimum-size-subarray-sum-209/#disqus_thread" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2016/10/11/minimum-size-subarray-sum-209/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2016/10/12/summary-ranges-228/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2016/10/12/summary-ranges-228/" itemprop="commentCount"></span>
     </a>
   </span>
   
@@ -587,11 +593,10 @@
     <div class="post-body" itemprop="articleBody">
 
       
-          <h3 id="problem"><a href="#problem" class="headerlink" title="problem"></a>problem</h3><p>Given an array of n positive integers and a positive integer s, find the minimal length of a subarray of which the sum ≥ s. If there isn’t one, return 0 instead.  </p>
-<p>For example, given the array <code>[2,3,1,2,4,3]</code> and <code>s = 7</code>,<br>the subarray <code>[4,3]</code> has the minimal length under the problem constraint.  </p>
-<h4 id="题解"><a href="#题解" class="headerlink" title="题解"></a>题解</h4><p>参考，滑动窗口，跟之前Data Structure课上的online算法有点像，<a href="http://blog.csdn.net/lisonglisonglisong/article/details/45666975" target="_blank" rel="noopener">链接</a>  </p>
-<h4 id="Code"><a href="#Code" class="headerlink" title="Code"></a>Code</h4><figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br></pre></td><td class="code"><pre><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">Solution</span> &#123;</span></span><br><span class="line"><span class="keyword">public</span>:</span><br><span class="line">    <span class="function"><span class="keyword">int</span> <span class="title">minSubArrayLen</span><span class="params">(<span class="keyword">int</span> s, <span class="built_in">vector</span>&lt;<span class="keyword">int</span>&gt;&amp; nums)</span> </span>&#123;</span><br><span class="line">        <span class="keyword">int</span> len = nums.<span class="built_in">size</span>();</span><br><span class="line">        <span class="keyword">if</span>(len == <span class="number">0</span>) <span class="keyword">return</span> <span class="number">0</span>;</span><br><span class="line">        <span class="keyword">int</span> minlen = INT_MAX;</span><br><span class="line">        <span class="keyword">int</span> sum = <span class="number">0</span>;</span><br><span class="line">        </span><br><span class="line">        <span class="keyword">int</span> left = <span class="number">0</span>;</span><br><span class="line">        <span class="keyword">int</span> right = <span class="number">-1</span>;</span><br><span class="line">        <span class="keyword">while</span>(right &lt; len)</span><br><span class="line">        &#123;</span><br><span class="line">            <span class="keyword">while</span>(sum &lt; s &amp;&amp; right &lt; len)</span><br><span class="line">                sum += nums[++right];</span><br><span class="line">            <span class="keyword">if</span>(sum &gt;= s)</span><br><span class="line">            &#123;</span><br><span class="line">                minlen = minlen &lt; right - left + <span class="number">1</span> ? minlen : right - left + <span class="number">1</span>;</span><br><span class="line">                sum -= nums[left++];</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">return</span> minlen &gt; len ? <span class="number">0</span> : minlen;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;;</span><br></pre></td></tr></table></figure>
-
+          <h4 id="problem"><a href="#problem" class="headerlink" title="problem"></a>problem</h4><p>Given a sorted integer array without duplicates, return the summary of its ranges.</p>
+<p>For example, given <code>[0,1,2,4,5,7]</code>, return <code>[&quot;0-&gt;2&quot;,&quot;4-&gt;5&quot;,&quot;7&quot;]</code>.</p>
+<h4 id="题解"><a href="#题解" class="headerlink" title="题解"></a>题解</h4><p>每一个区间的起点<code>nums[i]</code>加上<code>j</code>是否等于<code>nums[i+j]</code><br><a href="http://www.cnblogs.com/grandyang/p/4603555.html" target="_blank" rel="noopener">参考</a></p>
+<h4 id="Code"><a href="#Code" class="headerlink" title="Code"></a>Code</h4><figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br></pre></td><td class="code"><pre><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">Solution</span> &#123;</span></span><br><span class="line"><span class="keyword">public</span>:</span><br><span class="line">    <span class="function"><span class="built_in">vector</span>&lt;<span class="built_in">string</span>&gt; <span class="title">summaryRanges</span><span class="params">(<span class="built_in">vector</span>&lt;<span class="keyword">int</span>&gt;&amp; nums)</span> </span>&#123;</span><br><span class="line">        <span class="keyword">int</span> i = <span class="number">0</span>, j = <span class="number">1</span>, n;</span><br><span class="line">        <span class="built_in">vector</span>&lt;<span class="built_in">string</span>&gt; res;</span><br><span class="line">        n = nums.<span class="built_in">size</span>();</span><br><span class="line">        <span class="keyword">while</span>(i &lt; n)&#123;</span><br><span class="line">            j = <span class="number">1</span>;</span><br><span class="line">            <span class="keyword">while</span>(j &lt; n &amp;&amp; nums[i+j] - nums[i] == j) j++;</span><br><span class="line">            res.push_back(j &lt;= <span class="number">1</span> ? to_string(nums[i]) : to_string(nums[i]) + <span class="string">"-&gt;"</span> + to_string(nums[i + j - <span class="number">1</span>]));</span><br><span class="line">            i += j;</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">return</span> res;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;;</span><br></pre></td></tr></table></figure>
       
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@@ -612,7 +617,7 @@
   
   
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-    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2016/09/29/binary-watch/">
+    <link itemprop="mainEntityOfPage" href="https://nicksxs.me/2016/10/11/minimum-size-subarray-sum-209/">
 
     <span hidden itemprop="author" itemscope itemtype="http://schema.org/Person">
       <meta itemprop="image" content="/uploads/avatar.jpg">
@@ -626,7 +631,7 @@
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         <h2 class="post-title" itemprop="name headline">
           
-            <a href="/2016/09/29/binary-watch/" class="post-title-link" itemprop="url">binary-watch</a>
+            <a href="/2016/10/11/minimum-size-subarray-sum-209/" class="post-title-link" itemprop="url">minimum-size-subarray-sum-209</a>
         </h2>
 
         <div class="post-meta">
@@ -636,7 +641,7 @@
               </span>
               <span class="post-meta-item-text">Posted on</span>
 
-              <time title="Created: 2016-09-29 23:16:06" itemprop="dateCreated datePublished" datetime="2016-09-29T23:16:06+08:00">2016-09-29</time>
+              <time title="Created: 2016-10-11 22:04:28" itemprop="dateCreated datePublished" datetime="2016-10-11T22:04:28+08:00">2016-10-11</time>
             </span>
               <span class="post-meta-item">
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@@ -656,7 +661,7 @@
             </span>
 
           
-            <span id="/2016/09/29/binary-watch/" class="post-meta-item leancloud_visitors" data-flag-title="binary-watch" title="Views">
+            <span id="/2016/10/11/minimum-size-subarray-sum-209/" class="post-meta-item leancloud_visitors" data-flag-title="minimum-size-subarray-sum-209" title="Views">
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                 <i class="fa fa-eye"></i>
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@@ -671,8 +676,8 @@
       </span>
       <span class="post-meta-item-text">Disqus: </span>
     
-    <a title="disqus" href="/2016/09/29/binary-watch/#disqus_thread" itemprop="discussionUrl">
-      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2016/09/29/binary-watch/" itemprop="commentCount"></span>
+    <a title="disqus" href="/2016/10/11/minimum-size-subarray-sum-209/#disqus_thread" itemprop="discussionUrl">
+      <span class="post-comments-count disqus-comment-count" data-disqus-identifier="2016/10/11/minimum-size-subarray-sum-209/" itemprop="commentCount"></span>
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@@ -687,19 +692,11 @@
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-          <h3 id="problem"><a href="#problem" class="headerlink" title="problem"></a>problem</h3><p>A binary watch has 4 LEDs on the top which represent the hours (0-11), and the 6 LEDs on the bottom represent the minutes (0-59).  </p>
-<p>Each LED represents a zero or one, with the least significant bit on the right.  </p>
-<p><img data-src="http://7sbp1g.com1.z0.glb.clouddn.com/Binary_clock_samui_moon.jpg?imageView2/2/w/620" alt=""></p>
-<p>For example, the above binary watch reads “3:25”.  </p>
-<p>Given a non-negative integer n which represents the number of LEDs that are currently on, return all possible times the watch could represent.  </p>
-<h4 id="Example"><a href="#Example" class="headerlink" title="Example:"></a>Example:</h4><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">Input: n &#x3D; 1</span><br><span class="line">Return: [&quot;1:00&quot;, &quot;2:00&quot;, &quot;4:00&quot;, &quot;8:00&quot;, &quot;0:01&quot;, &quot;0:02&quot;, &quot;0:04&quot;, &quot;0:08&quot;, &quot;0:16&quot;, &quot;0:32&quot;]</span><br></pre></td></tr></table></figure>
-<h4 id="Note"><a href="#Note" class="headerlink" title="Note:"></a>Note:</h4><ul>
-<li>The order of output does not matter.</li>
-<li>The hour must not contain a leading zero, for example “01:00” is not valid, it should be “1:00”.</li>
-<li>The minute must be consist of two digits and may contain a leading zero, for example “10:2” is not valid, it should be “10:02”.</li>
-</ul>
-<h3 id="题解"><a href="#题解" class="headerlink" title="题解"></a>题解</h3><p>又是参（chao）考（xi）别人的代码，嗯，就是这么不要脸，<a href="http://www.cnblogs.com/grandyang/p/5896454.html" target="_blank" rel="noopener">链接</a></p>
-<h4 id="Code"><a href="#Code" class="headerlink" title="Code"></a>Code</h4><figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br></pre></td><td class="code"><pre><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">Solution</span> &#123;</span></span><br><span class="line"><span class="keyword">public</span>:</span><br><span class="line">    <span class="function"><span class="built_in">vector</span>&lt;<span class="built_in">string</span>&gt; <span class="title">readBinaryWatch</span><span class="params">(<span class="keyword">int</span> num)</span> </span>&#123;</span><br><span class="line">        <span class="built_in">vector</span>&lt;<span class="built_in">string</span>&gt; res;</span><br><span class="line">        <span class="keyword">for</span> (<span class="keyword">int</span> h = <span class="number">0</span>; h &lt; <span class="number">12</span>; ++h) &#123;</span><br><span class="line">            <span class="keyword">for</span> (<span class="keyword">int</span> m = <span class="number">0</span>; m &lt; <span class="number">60</span>; ++m) &#123;</span><br><span class="line">                <span class="keyword">if</span> (<span class="built_in">bitset</span>&lt;<span class="number">10</span>&gt;((h &lt;&lt; <span class="number">6</span>) + m).count() == num) &#123;</span><br><span class="line">                    res.push_back(to_string(h) + (m &lt; <span class="number">10</span> ? <span class="string">":0"</span> : <span class="string">":"</span>) + to_string(m));</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">return</span> res;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;;</span><br></pre></td></tr></table></figure>
+          <h3 id="problem"><a href="#problem" class="headerlink" title="problem"></a>problem</h3><p>Given an array of n positive integers and a positive integer s, find the minimal length of a subarray of which the sum ≥ s. If there isn’t one, return 0 instead.  </p>
+<p>For example, given the array <code>[2,3,1,2,4,3]</code> and <code>s = 7</code>,<br>the subarray <code>[4,3]</code> has the minimal length under the problem constraint.  </p>
+<h4 id="题解"><a href="#题解" class="headerlink" title="题解"></a>题解</h4><p>参考，滑动窗口，跟之前Data Structure课上的online算法有点像，<a href="http://blog.csdn.net/lisonglisonglisong/article/details/45666975" target="_blank" rel="noopener">链接</a>  </p>
+<h4 id="Code"><a href="#Code" class="headerlink" title="Code"></a>Code</h4><figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br></pre></td><td class="code"><pre><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">Solution</span> &#123;</span></span><br><span class="line"><span class="keyword">public</span>:</span><br><span class="line">    <span class="function"><span class="keyword">int</span> <span class="title">minSubArrayLen</span><span class="params">(<span class="keyword">int</span> s, <span class="built_in">vector</span>&lt;<span class="keyword">int</span>&gt;&amp; nums)</span> </span>&#123;</span><br><span class="line">        <span class="keyword">int</span> len = nums.<span class="built_in">size</span>();</span><br><span class="line">        <span class="keyword">if</span>(len == <span class="number">0</span>) <span class="keyword">return</span> <span class="number">0</span>;</span><br><span class="line">        <span class="keyword">int</span> minlen = INT_MAX;</span><br><span class="line">        <span class="keyword">int</span> sum = <span class="number">0</span>;</span><br><span class="line">        </span><br><span class="line">        <span class="keyword">int</span> left = <span class="number">0</span>;</span><br><span class="line">        <span class="keyword">int</span> right = <span class="number">-1</span>;</span><br><span class="line">        <span class="keyword">while</span>(right &lt; len)</span><br><span class="line">        &#123;</span><br><span class="line">            <span class="keyword">while</span>(sum &lt; s &amp;&amp; right &lt; len)</span><br><span class="line">                sum += nums[++right];</span><br><span class="line">            <span class="keyword">if</span>(sum &gt;= s)</span><br><span class="line">            &#123;</span><br><span class="line">                minlen = minlen &lt; right - left + <span class="number">1</span> ? minlen : right - left + <span class="number">1</span>;</span><br><span class="line">                sum -= nums[left++];</span><br><span class="line">            &#125;</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="keyword">return</span> minlen &gt; len ? <span class="number">0</span> : minlen;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;;</span><br></pre></td></tr></table></figure>
+
       
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-    <a class="extend prev" rel="prev" href="/page/8/"><i class="fa fa-angle-left" aria-label="Previous page"></i></a><a class="page-number" href="/">1</a><span class="space">&hellip;</span><a class="page-number" href="/page/8/">8</a><span class="page-number current">9</span><a class="page-number" href="/page/10/">10</a><span class="space">&hellip;</span><a class="page-number" href="/page/12/">12</a><a class="extend next" rel="next" href="/page/10/"><i class="fa fa-angle-right" aria-label="Next page"></i></a>
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@@ -787,7 +784,7 @@
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-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
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@@ -800,7 +797,7 @@
       <div class="site-state-item site-state-tags">
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-        <span class="site-state-item-count">93</span>
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href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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index 89996f8a00..4a74a3bcf7 100644
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class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" 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class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span 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index 86e649324f..bd6509c7f4 100644
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@@ -323,7 +323,7 @@
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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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diff --git a/tags/JPS/index.html b/tags/JPS/index.html
new file mode 100644
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diff --git a/tags/JStack/index.html b/tags/JStack/index.html
new file mode 100644
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diff --git a/tags/JVM/index.html b/tags/JVM/index.html
index 4761b8c315..387f328d6b 100644
--- a/tags/JVM/index.html
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href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a 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class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a 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class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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index 7325bd6dc9..b8a5bac97b 100644
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href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
+        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dubbo/" rel="tag">Dubbo</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/G1/" rel="tag">G1</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/GC/" rel="tag">GC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Garbage-First-Collector/" rel="tag">Garbage-First Collector</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Gogs/" rel="tag">Gogs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Homebrew/" rel="tag">Homebrew</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JMap/" rel="tag">JMap</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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diff --git a/tags/docker/index.html b/tags/docker/index.html
index 0270fe113f..355cb5d13a 100644
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 <meta property="og:title" content="Nicksxs&#39;s Blog">
-<meta property="og:url" content="https://nicksxs.me/tags/Docker/index.html">
+<meta property="og:url" content="https://nicksxs.me/tags/docker/index.html">
 <meta property="og:site_name" content="Nicksxs&#39;s Blog">
 <meta property="og:description" content="learn from zero,技术博客，Nicksxs，史学森">
 <meta property="article:author" content="Nicksxs">
@@ -40,7 +40,7 @@
 <meta property="article:tag" content="森哥">
 <meta name="twitter:card" content="summary">
 
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+<link rel="canonical" href="https://nicksxs.me/tags/docker/">
 
 
 <script id="page-configurations">
@@ -53,7 +53,7 @@
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-  <title>Tag: Docker | Nicksxs's Blog</title>
+  <title>Tag: docker | Nicksxs's Blog</title>
   
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@@ -207,14 +207,14 @@
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     <div class="posts-collapse">
       <div class="collection-title">
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+        <h2 class="collection-header">docker
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     <div class="collection-year">
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+      <span class="collection-header">2016</span>
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@@ -222,75 +222,15 @@
 
       <div class="post-meta">
         <time itemprop="dateCreated"
-              datetime="2020-03-29T21:48:50+08:00"
-              content="2020-03-29">
-          03-29
+              datetime="2016-08-14T16:51:00+08:00"
+              content="2016-08-14">
+          08-14
         </time>
       </div>
 
       <div class="post-title">
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-
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-            <span itemprop="name">docker比一般多一点的初学者介绍</span>
+          <a class="post-title-link" href="/2016/08/14/docker-mysql-cluster/" itemprop="url">
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@@ -383,7 +323,7 @@
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diff --git a/tags/echo/index.html b/tags/echo/index.html
index 34ea22d7b4..e7d778163a 100644
--- a/tags/echo/index.html
+++ b/tags/echo/index.html
@@ -310,7 +310,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
           <span class="site-state-item-name">posts</span>
         </a>
       </div>
@@ -323,7 +323,7 @@
       <div class="site-state-item site-state-tags">
             <a href="/tags/">
           
-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
         <span class="site-state-item-name">tags</span></a>
       </div>
   </nav>
@@ -348,7 +348,7 @@
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     <div id="myCanvasContainer" class="widget tagcloud">
       <canvas width="250" height="250" id="resCanvas" style="width=100%">
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href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">7</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li 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href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span 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href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span 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class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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@@ -228,10 +228,10 @@
       <div class="post-body">
           <div class="tag-cloud">
             <div class="tag-cloud-title">
-              93 tags in total
+              96 tags in total
             </div>
             <div class="tag-cloud-tags">
-              <a href="/tags/2019/" style="font-size: 12px; color: #ccc">2019</a> <a href="/tags/2020/" style="font-size: 12px; color: #ccc">2020</a> <a href="/tags/2PC/" style="font-size: 12px; color: #ccc">2PC</a> <a href="/tags/3PC/" style="font-size: 12px; color: #ccc">3PC</a> <a href="/tags/Adaptive/" style="font-size: 12px; color: #ccc">Adaptive</a> <a href="/tags/Broker/" style="font-size: 12px; color: #ccc">Broker</a> <a href="/tags/C/" style="font-size: 12px; color: #ccc">C</a> <a href="/tags/C/" style="font-size: 16.5px; color: #9d9d9d">C++</a> <a href="/tags/Comparator/" style="font-size: 12px; color: #ccc">Comparator</a> <a href="/tags/DefaultMQPushConsumer/" style="font-size: 12px; color: #ccc">DefaultMQPushConsumer</a> <a href="/tags/Design-Patterns/" style="font-size: 12px; color: #ccc">Design Patterns</a> <a href="/tags/Distributed-Lock/" style="font-size: 12px; color: #ccc">Distributed Lock</a> <a href="/tags/Docker/" style="font-size: 18.75px; color: #868686">Docker</a> <a href="/tags/Dockerfile/" style="font-size: 12px; color: #ccc">Dockerfile</a> <a href="/tags/Dubbo/" style="font-size: 14.25px; color: #b5b5b5">Dubbo</a> <a href="/tags/G1/" style="font-size: 12px; color: #ccc">G1</a> <a href="/tags/GC/" style="font-size: 12px; color: #ccc">GC</a> <a href="/tags/Garbage-First-Collector/" style="font-size: 12px; color: #ccc">Garbage-First Collector</a> <a href="/tags/Gogs/" style="font-size: 12px; color: #ccc">Gogs</a> <a href="/tags/Homebrew/" style="font-size: 12px; color: #ccc">Homebrew</a> <a href="/tags/JVM/" style="font-size: 14.25px; color: #b5b5b5">JVM</a> <a href="/tags/Java/" style="font-size: 21px; color: #6f6f6f">Java</a> <a href="/tags/MQ/" style="font-size: 18.75px; color: #868686">MQ</a> <a href="/tags/Mac/" style="font-size: 12px; color: #ccc">Mac</a> <a href="/tags/Maven/" style="font-size: 12px; color: #ccc">Maven</a> <a href="/tags/NameServer/" style="font-size: 12px; color: #ccc">NameServer</a> <a href="/tags/PHP/" style="font-size: 12px; color: #ccc">PHP</a> <a href="/tags/RPC/" style="font-size: 14.25px; color: #b5b5b5">RPC</a> <a href="/tags/Redis/" style="font-size: 12px; color: #ccc">Redis</a> <a href="/tags/RocketMQ/" style="font-size: 18.75px; color: #868686">RocketMQ</a> <a href="/tags/SPI/" style="font-size: 14.25px; color: #b5b5b5">SPI</a> <a href="/tags/Singleton/" style="font-size: 12px; color: #ccc">Singleton</a> <a href="/tags/Stream/" style="font-size: 12px; color: #ccc">Stream</a> <a href="/tags/Thread-dump/" style="font-size: 12px; color: #ccc">Thread dump</a> <a href="/tags/Webhook/" style="font-size: 12px; color: #ccc">Webhook</a> <a href="/tags/aqs/" style="font-size: 12px; color: #ccc">aqs</a> <a href="/tags/c/" style="font-size: 30px; color: #111">c++</a> <a href="/tags/cgroup/" style="font-size: 14.25px; color: #b5b5b5">cgroup</a> <a href="/tags/cluster/" style="font-size: 12px; color: #ccc">cluster</a> <a href="/tags/docker/" style="font-size: 12px; color: #ccc">docker</a> <a href="/tags/echo/" style="font-size: 12px; color: #ccc">echo</a> <a href="/tags/gap-lock/" style="font-size: 14.25px; color: #b5b5b5">gap lock</a> <a href="/tags/hadoop/" style="font-size: 12px; color: #ccc">hadoop</a> <a href="/tags/icu4c/" style="font-size: 12px; color: #ccc">icu4c</a> <a href="/tags/im/" style="font-size: 12px; color: #ccc">im</a> <a href="/tags/java/" style="font-size: 12px; color: #ccc">java</a> <a href="/tags/leetcode/" style="font-size: 27.75px; color: #282828">leetcode</a> <a href="/tags/linux/" style="font-size: 12px; color: #ccc">linux</a> <a href="/tags/mfc/" style="font-size: 14.25px; color: #b5b5b5">mfc</a> <a href="/tags/mq/" style="font-size: 12px; color: #ccc">mq</a> <a href="/tags/mvcc/" style="font-size: 16.5px; color: #9d9d9d">mvcc</a> <a href="/tags/mysql/" style="font-size: 18.75px; color: #868686">mysql</a> <a href="/tags/namespace/" style="font-size: 16.5px; color: #9d9d9d">namespace</a> <a href="/tags/next-key-lock/" style="font-size: 14.25px; color: #b5b5b5">next-key lock</a> <a href="/tags/nginx/" style="font-size: 12px; color: #ccc">nginx</a> <a href="/tags/nullsfirst/" style="font-size: 12px; color: #ccc">nullsfirst</a> <a href="/tags/openresty/" style="font-size: 12px; color: #ccc">openresty</a> <a href="/tags/php/" style="font-size: 14.25px; color: #b5b5b5">php</a> <a href="/tags/python/" style="font-size: 12px; color: #ccc">python</a> <a href="/tags/read-view/" style="font-size: 16.5px; color: #9d9d9d">read view</a> <a href="/tags/redis/" style="font-size: 23.25px; color: #575757">redis</a> <a href="/tags/sort/" style="font-size: 12px; color: #ccc">sort</a> <a href="/tags/spark/" style="font-size: 12px; color: #ccc">spark</a> <a href="/tags/swoole/" style="font-size: 12px; color: #ccc">swoole</a> <a href="/tags/uname/" style="font-size: 12px; color: #ccc">uname</a> <a href="/tags/websocket/" style="font-size: 12px; color: #ccc">websocket</a> <a href="/tags/zsh/" style="font-size: 12px; color: #ccc">zsh</a> <a href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" style="font-size: 12px; color: #ccc">三阶段提交</a> <a href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" style="font-size: 12px; color: #ccc">两阶段提交</a> <a href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" style="font-size: 18.75px; color: #868686">中间件</a> <a href="/tags/%E5%87%8F%E8%82%A5/" style="font-size: 12px; color: #ccc">减肥</a> <a href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" style="font-size: 12px; color: #ccc">分布式事务</a> <a href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" style="font-size: 12px; color: #ccc">分布式锁</a> <a href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" style="font-size: 18.75px; color: #868686">削峰填谷</a> <a href="/tags/%E5%8D%95%E4%BE%8B/" style="font-size: 12px; color: #ccc">单例</a> <a href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" style="font-size: 12px; color: #ccc">博客，文章</a> <a href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" style="font-size: 12px; color: #ccc">发行版</a> <a href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" style="font-size: 12px; color: #ccc">寄生虫</a> <a href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" style="font-size: 12px; color: #ccc">年中总结</a> <a href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" style="font-size: 12px; color: #ccc">年终总结</a> <a href="/tags/%E5%B9%BB%E8%AF%BB/" style="font-size: 14.25px; color: #b5b5b5">幻读</a> <a href="/tags/%E5%BD%B1%E8%AF%84/" style="font-size: 12px; color: #ccc">影评</a> <a href="/tags/%E6%8E%92%E5%BA%8F/" style="font-size: 12px; color: #ccc">排序</a> <a href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" style="font-size: 25.5px; color: #404040">数据结构</a> <a href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" style="font-size: 18.75px; color: #868686">消息队列</a> <a href="/tags/%E6%BA%90%E7%A0%81/" style="font-size: 25.5px; color: #404040">源码</a> <a href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" style="font-size: 16.5px; color: #9d9d9d">源码解析</a> <a href="/tags/%E7%94%9F%E6%B4%BB/" style="font-size: 18.75px; color: #868686">生活</a> <a href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" style="font-size: 12px; color: #ccc">自适应拓展</a> <a href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" style="font-size: 12px; color: #ccc">设计模式</a> <a href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" style="font-size: 12px; color: #ccc">读后感</a> <a href="/tags/%E8%B7%91%E6%AD%A5/" style="font-size: 12px; color: #ccc">跑步</a> <a href="/tags/%E8%BF%90%E5%8A%A8/" style="font-size: 12px; color: #ccc">运动</a>
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@@ -317,7 +317,7 @@
       <div class="site-state-item site-state-posts">
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-          <span class="site-state-item-count">60</span>
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@@ -330,7 +330,7 @@
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@@ -355,7 +355,7 @@
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href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">7</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" rel="tag">Thread dump</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Webhook/" rel="tag">Webhook</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/aqs/" rel="tag">aqs</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a 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class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span 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       </canvas>
     </div>
   </div>
@@ -601,7 +601,21 @@
 
 </body>
 </html>
-function showTime(Counter) {
+.catch(error => {
+                console.error('Failed to save visitor count', error);
+              });
+          } else {
+              leancloudSelector(url).innerText = 'Counter not initialized! More info at console err msg.';
+              console.error('ATTENTION! LeanCloud counter has security bug, see how to solve it here: https://github.com/theme-next/hexo-leancloud-counter-security. \n However, you can still use LeanCloud without security, by setting `security` option to `false`.');
+            
+          }
+        })
+        .catch(error => {
+          console.error('LeanCloud Counter Error', error);
+        });
+    }
+
+    function showTime(Counter) {
       var visitors = document.querySelectorAll('.leancloud_visitors');
       var entries = [...visitors].map(element => {
         return decodeURI(element.id);
diff --git a/tags/leetcode/index.html b/tags/leetcode/index.html
index ec7e51167b..a91c1200d8 100644
--- a/tags/leetcode/index.html
+++ b/tags/leetcode/index.html
@@ -496,7 +496,7 @@
       <div class="site-state-item site-state-posts">
           <a href="/archives/">
         
-          <span class="site-state-item-count">60</span>
+          <span class="site-state-item-count">61</span>
           <span class="site-state-item-name">posts</span>
         </a>
       </div>
@@ -509,7 +509,7 @@
       <div class="site-state-item site-state-tags">
             <a href="/tags/">
           
-        <span class="site-state-item-count">93</span>
+        <span class="site-state-item-count">96</span>
         <span class="site-state-item-name">tags</span></a>
       </div>
   </nav>
@@ -534,7 +534,7 @@
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       <canvas width="250" height="250" id="resCanvas" style="width=100%">
-        <ul class="tag-list" itemprop="keywords"><li class="tag-list-item"><a class="tag-list-link" href="/tags/2019/" rel="tag">2019</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2020/" rel="tag">2020</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/2PC/" rel="tag">2PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/3PC/" rel="tag">3PC</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Adaptive/" rel="tag">Adaptive</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Broker/" rel="tag">Broker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">7</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li 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href="/tags/c/" rel="tag">c++</a><span class="tag-list-count">14</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cgroup/" rel="tag">cgroup</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/cluster/" rel="tag">cluster</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/docker/" rel="tag">docker</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/echo/" rel="tag">echo</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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index ab414734e7..8415bc993f 100644
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@@ -363,7 +363,7 @@
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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span 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index 2a56f35f1c..7f74268151 100644
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@@ -323,7 +323,7 @@
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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a 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class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span 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diff --git a/tags/websocket/index.html b/tags/websocket/index.html
index 32e20ec24f..076cbbe1fb 100644
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@@ -323,7 +323,7 @@
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-        <span class="site-state-item-count">93</span>
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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/swoole/" rel="tag">swoole</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/uname/" rel="tag">uname</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/websocket/" rel="tag">websocket</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/zsh/" rel="tag">zsh</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%89%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">三阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%A4%E9%98%B6%E6%AE%B5%E6%8F%90%E4%BA%A4/" rel="tag">两阶段提交</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E4%B8%AD%E9%97%B4%E4%BB%B6/" rel="tag">中间件</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li 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rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/PHP/" rel="tag">PHP</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RPC/" rel="tag">RPC</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Redis/" rel="tag">Redis</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/RocketMQ/" rel="tag">RocketMQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/SPI/" rel="tag">SPI</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Singleton/" rel="tag">Singleton</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Stream/" rel="tag">Stream</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Thread-dump/" 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class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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class="tag-list-link" href="/tags/C/" rel="tag">C++</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Comparator/" rel="tag">Comparator</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/DefaultMQPushConsumer/" rel="tag">DefaultMQPushConsumer</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Design-Patterns/" rel="tag">Design Patterns</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Distributed-Lock/" rel="tag">Distributed Lock</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Docker/" rel="tag">Docker</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Dockerfile/" rel="tag">Dockerfile</a><span class="tag-list-count">1</span></li><li 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href="/tags/JPS/" rel="tag">JPS</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JStack/" rel="tag">JStack</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/JVM/" rel="tag">JVM</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Java/" rel="tag">Java</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/MQ/" rel="tag">MQ</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Mac/" rel="tag">Mac</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/Maven/" rel="tag">Maven</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/NameServer/" rel="tag">NameServer</a><span class="tag-list-count">1</span></li><li 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class="tag-list-item"><a class="tag-list-link" href="/tags/gap-lock/" rel="tag">gap lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/hadoop/" rel="tag">hadoop</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/icu4c/" rel="tag">icu4c</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/im/" rel="tag">im</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/java/" rel="tag">java</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/leetcode/" rel="tag">leetcode</a><span class="tag-list-count">13</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/linux/" rel="tag">linux</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mfc/" rel="tag">mfc</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mq/" rel="tag">mq</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mvcc/" rel="tag">mvcc</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/mysql/" rel="tag">mysql</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/namespace/" rel="tag">namespace</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/next-key-lock/" rel="tag">next-key lock</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nginx/" rel="tag">nginx</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/nullsfirst/" rel="tag">nullsfirst</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/openresty/" rel="tag">openresty</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/php/" rel="tag">php</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/python/" rel="tag">python</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/read-view/" rel="tag">read view</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/redis/" rel="tag">redis</a><span class="tag-list-count">8</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/sort/" rel="tag">sort</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/spark/" rel="tag">spark</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a 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class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%87%8F%E8%82%A5/" rel="tag">减肥</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E4%BA%8B%E5%8A%A1/" rel="tag">分布式事务</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%88%86%E5%B8%83%E5%BC%8F%E9%94%81/" rel="tag">分布式锁</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%89%8A%E5%B3%B0%E5%A1%AB%E8%B0%B7/" rel="tag">削峰填谷</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%95%E4%BE%8B/" rel="tag">单例</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8D%9A%E5%AE%A2%EF%BC%8C%E6%96%87%E7%AB%A0/" rel="tag">博客，文章</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%8F%91%E8%A1%8C%E7%89%88/" rel="tag">发行版</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%AF%84%E7%94%9F%E8%99%AB/" rel="tag">寄生虫</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E4%B8%AD%E6%80%BB%E7%BB%93/" rel="tag">年中总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%B4%E7%BB%88%E6%80%BB%E7%BB%93/" rel="tag">年终总结</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%B9%BB%E8%AF%BB/" rel="tag">幻读</a><span class="tag-list-count">2</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E5%BD%B1%E8%AF%84/" rel="tag">影评</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%8E%92%E5%BA%8F/" rel="tag">排序</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/" rel="tag">数据结构</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%B6%88%E6%81%AF%E9%98%9F%E5%88%97/" rel="tag">消息队列</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81/" rel="tag">源码</a><span class="tag-list-count">11</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90/" rel="tag">源码解析</a><span class="tag-list-count">3</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E7%94%9F%E6%B4%BB/" rel="tag">生活</a><span class="tag-list-count">4</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%87%AA%E9%80%82%E5%BA%94%E6%8B%93%E5%B1%95/" rel="tag">自适应拓展</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AE%BE%E8%AE%A1%E6%A8%A1%E5%BC%8F/" rel="tag">设计模式</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%AF%BB%E5%90%8E%E6%84%9F/" rel="tag">读后感</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%B7%91%E6%AD%A5/" rel="tag">跑步</a><span class="tag-list-count">1</span></li><li class="tag-list-item"><a class="tag-list-link" href="/tags/%E8%BF%90%E5%8A%A8/" rel="tag">运动</a><span class="tag-list-count">1</span></li></ul>
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