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<!DOCTYPE html>
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<title>LBD's Blog</title>
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<article id="post-Golang小记" class="article article-type-post" itemscope itemprop="blogPost">
<div id="articleInner" class="article-inner">
<header class="article-header">
<h1 class="thumb" itemprop="name">
<a class="article-title" href="/2019/05/18/Golang小记/">Golang小记</a>
</h1>
</header>
<div class="article-meta">
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<time datetime="2019-05-18T06:22:24.897Z" itemprop="datePublished">2019-05-18</time>
</a>
<a class="article-category-link" href="/categories/Golang/">Golang</a>
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<div class="article-entry" itemprop="articleBody">
<p>记录go语言使用中的一些注意事项。</p>
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<article id="post-分布式系统的问题" class="article article-type-post" itemscope itemprop="blogPost">
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<h1 class="thumb" itemprop="name">
<a class="article-title" href="/2018/04/18/分布式系统的问题/">分布式系统的问题</a>
</h1>
</header>
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<a href="/2018/04/18/分布式系统的问题/" class="article-date">
<time datetime="2018-04-17T16:00:00.000Z" itemprop="datePublished">2018-04-18</time>
</a>
<a class="article-category-link" href="/categories/分布式系统/">分布式系统</a>
</div>
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<p>本文内容翻译自《Designing Data-Intensive Applications》一书的第8章。</p>
</blockquote>
</div>
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</footer>
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<!-- Table of Contents -->
<article id="post-PhxPaxos源码分析——Paxos算法实现" class="article article-type-post" itemscope itemprop="blogPost">
<div id="articleInner" class="article-inner">
<header class="article-header">
<h1 class="thumb" itemprop="name">
<a class="article-title" href="/2017/11/21/PhxPaxos源码分析——Paxos算法实现/">PhxPaxos源码分析——Paxos算法实现</a>
</h1>
</header>
<div class="article-meta">
<a href="/2017/11/21/PhxPaxos源码分析——Paxos算法实现/" class="article-date">
<time datetime="2017-11-20T16:00:00.000Z" itemprop="datePublished">2017-11-21</time>
</a>
<a class="article-category-link" href="/categories/源码分析/">源码分析</a>
</div>
<div class="article-entry" itemprop="articleBody">
<p>这篇主要来分析Paxos算法实现的部分，我想这应该也是读者最感兴趣的。在看这篇文章之前，如果之前对Paxos算法没有了解的童鞋可以看下这篇文章：<a href="http://linbingdong.com/2017/04/17/分布式系列文章——Paxos算法原理与推导/">Paxos算法原理与推导</a>，相信了解Paxos算法后再来通过源码看算法实现应该会很酸爽。</p>
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<article id="post-PhxPaxos源码分析——网络" class="article article-type-post" itemscope itemprop="blogPost">
<div id="articleInner" class="article-inner">
<header class="article-header">
<h1 class="thumb" itemprop="name">
<a class="article-title" href="/2017/11/20/PhxPaxos源码分析——网络/">PhxPaxos源码分析——网络</a>
</h1>
</header>
<div class="article-meta">
<a href="/2017/11/20/PhxPaxos源码分析——网络/" class="article-date">
<time datetime="2017-11-19T16:00:00.000Z" itemprop="datePublished">2017-11-20</time>
</a>
<a class="article-category-link" href="/categories/源码分析/">源码分析</a>
</div>
<div class="article-entry" itemprop="articleBody">
<p>了解分布式系统的童鞋肯定听过Paxos算法的大名。Paxos算法以晦涩难懂著称，其工程实现更难。目前，号称在工程上实现了Paxos算法的应该只有Google、阿里和腾讯。然而，只有腾讯的微信团队真正将代码开源出来，他们将Paxos算法的实现封装成了一个Paxos库，大家可以基于该库实现自己想要的功能，比如用于master选举，或者甚至利用它来实现一个分布式KV数据库等。</p>
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<!-- Table of Contents -->
<article id="post-设计模式-适配器模式" class="article article-type-post" itemscope itemprop="blogPost">
<div id="articleInner" class="article-inner">
<header class="article-header">
<h1 class="thumb" itemprop="name">
<a class="article-title" href="/2017/11/11/设计模式-适配器模式/">设计模式-适配器模式</a>
</h1>
</header>
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<a href="/2017/11/11/设计模式-适配器模式/" class="article-date">
<time datetime="2017-11-10T16:00:00.000Z" itemprop="datePublished">2017-11-11</time>
</a>
<a class="article-category-link" href="/categories/设计模式/">设计模式</a>
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<div class="article-entry" itemprop="articleBody">
<p>本文介绍适配器模式。</p>
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</article>
<!-- Table of Contents -->
<article id="post-分布式系列文章——Paxos算法原理与推导" class="article article-type-post" itemscope itemprop="blogPost">
<div id="articleInner" class="article-inner">
<header class="article-header">
<h1 class="thumb" itemprop="name">
<a class="article-title" href="/2017/04/17/分布式系列文章——Paxos算法原理与推导/">分布式系列文章——Paxos算法原理与推导</a>
</h1>
</header>
<div class="article-meta">
<a href="/2017/04/17/分布式系列文章——Paxos算法原理与推导/" class="article-date">
<time datetime="2017-04-16T16:00:00.000Z" itemprop="datePublished">2017-04-17</time>
</a>
<a class="article-category-link" href="/categories/分布式一致性算法/">分布式一致性算法</a><a class="article-category-link" href="/categories/分布式一致性算法/Paxos/">Paxos</a>
</div>
<div class="article-entry" itemprop="articleBody">
<p>Paxos算法在分布式领域具有非常重要的地位。但是Paxos算法有两个比较明显的缺点：1.难以理解 2.工程实现更难。</p>
<p>网上有很多讲解Paxos算法的文章，但是质量参差不齐。看了很多关于Paxos的资料后发现，学习Paxos最好的资料是论文《Paxos Made Simple》，其次是中、英文版维基百科对Paxos的介绍。本文试图带大家一步步揭开Paxos神秘的面纱。</p>
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<article id="post-深入理解HashMap" class="article article-type-post" itemscope itemprop="blogPost">
<div id="articleInner" class="article-inner">
<header class="article-header">
<h1 class="thumb" itemprop="name">
<a class="article-title" href="/2017/04/16/深入理解HashMap/">深入理解HashMap</a>
</h1>
</header>
<div class="article-meta">
<a href="/2017/04/16/深入理解HashMap/" class="article-date">
<time datetime="2017-04-16T12:47:53.000Z" itemprop="datePublished">2017-04-16</time>
</a>
<a class="article-category-link" href="/categories/Java/">Java</a>
</div>
<div class="article-entry" itemprop="articleBody">
<p>JDK1.7和JDK1.8中HashMap的实现不尽相同，JDK1.8中做了一些优化，比如当链表多长时转化成红黑树，提高插入和查找的效率；扩容时不再重新哈希。</p>
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<!-- Table of Contents -->
<article id="post-生产者消费者模式" class="article article-type-post" itemscope itemprop="blogPost">
<div id="articleInner" class="article-inner">
<header class="article-header">
<h1 class="thumb" itemprop="name">
<a class="article-title" href="/2017/04/14/生产者消费者模式/">生产者消费者模式</a>
</h1>
</header>
<div class="article-meta">
<a href="/2017/04/14/生产者消费者模式/" class="article-date">
<time datetime="2017-04-14T08:16:06.000Z" itemprop="datePublished">2017-04-14</time>
</a>
<a class="article-category-link" href="/categories/Java/">Java</a>
</div>
<div class="article-entry" itemprop="articleBody">
<p>在并发编程中使用生产者和消费者模式能够解决绝大多数并发问题。该模式通过平衡生产线程和消费线程的工作能力来提高程序的整体处理数据的速度。</p>
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<article id="post-程序员必读书单" class="article article-type-post" itemscope itemprop="blogPost">
<div id="articleInner" class="article-inner">
<header class="article-header">
<h1 class="thumb" itemprop="name">
<a class="article-title" href="/2017/04/14/程序员必读书单/">程序员必读书单</a>
</h1>
</header>
<div class="article-meta">
<a href="/2017/04/14/程序员必读书单/" class="article-date">
<time datetime="2017-04-14T08:15:36.000Z" itemprop="datePublished">2017-04-14</time>
</a>
<a class="article-category-link" href="/categories/学习资料/">学习资料</a>
</div>
<div class="article-entry" itemprop="articleBody">
<p><a href="http://zh.lucida.me/" target="_blank" rel="noopener">Lucida</a>大神这篇文章写得非常详细，<a href="http://zh.lucida.me/blog/developer-reading-list/#cracking_the_coding_interview" target="_blank" rel="noopener">点此查看</a>。</p>
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<!-- Table of Contents -->
<article id="post-tmpfs" class="article article-type-post" itemscope itemprop="blogPost">
<div id="articleInner" class="article-inner">
<header class="article-header">
<h1 class="thumb" itemprop="name">
<a class="article-title" href="/2017/04/11/tmpfs/">tmpfs</a>
</h1>
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<a href="/2017/04/11/tmpfs/" class="article-date">
<time datetime="2017-04-11T06:03:33.000Z" itemprop="datePublished">2017-04-11</time>
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<a class="article-category-link" href="/categories/Linux/">Linux</a>
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<p>tmpfs是一种基于内存的文件系统，它和虚拟磁盘ramdisk比较类似像，但不完全相同。和ramdisk一样，tmpfs可以使用内存，但它也可以使用swap分区来存储。而且传统的ramdisk是个块设备，要用mkfs格式化才能使用；而tmpfs是一个文件系统，并不是块设备，不需要格式化。tmpfs是最好的基于内存的文件系统。</p>
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