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})(window)</script><meta name="generator" content="Hexo 7.3.0"></head><body><div id="web_bg"></div><div id="sidebar"><div id="menu-mask"></div><div id="sidebar-menus"><div class="avatar-img is-center"><img src="/img/avatar.jpg" onerror="onerror=null;src='/img/friend_404.gif'" alt="avatar"/></div><div class="sidebar-site-data site-data is-center"><a href="/archives/"><div class="headline">文章</div><div class="length-num">13</div></a><a href="/tags/"><div class="headline">标签</div><div class="length-num">4</div></a><a href="/categories/"><div class="headline">分类</div><div class="length-num">1</div></a></div><hr class="custom-hr"/><div class="menus_items"><div class="menus_item"><a class="site-page" href="/"><i class="fa-fw fas fa-home"></i><span> Home</span></a></div><div class="menus_item"><a class="site-page" href="/archives/"><i class="fa-fw fas fa-archive"></i><span> Archives</span></a></div><div class="menus_item"><a class="site-page" href="/tags/"><i class="fa-fw fas fa-tags"></i><span> Tags</span></a></div><div class="menus_item"><a class="site-page" href="/categories/"><i class="fa-fw fas fa-folder-open"></i><span> Categories</span></a></div><div class="menus_item"><a class="site-page group" href="javascript:void(0);"><i class="fa-fw fas fa-list"></i><span> List</span><i class="fas fa-chevron-down"></i></a><ul class="menus_item_child"><li><a class="site-page child" href="/music/"><i class="fa-fw fas fa-music"></i><span> Music</span></a></li><li><a class="site-page child" href="/movies/"><i class="fa-fw fas fa-video"></i><span> Movie</span></a></li></ul></div><div class="menus_item"><a class="site-page" href="/link/"><i class="fa-fw fas fa-link"></i><span> Link</span></a></div><div class="menus_item"><a class="site-page" href="/about/"><i class="fa-fw fas fa-heart"></i><span> About</span></a></div></div></div></div><div class="post" id="body-wrap"><header class="post-bg fixed" id="page-header" style="background-image: url('/img/site01.jpg')"><nav id="nav"><span id="blog-info"><a href="/" title="QuickReference"><span class="site-name">QuickReference</span></a></span><div id="menus"><div id="search-button"><a class="site-page social-icon search" href="javascript:void(0);"><i class="fas fa-search fa-fw"></i><span> 搜索</span></a></div><div class="menus_items"><div class="menus_item"><a class="site-page" href="/"><i class="fa-fw fas fa-home"></i><span> Home</span></a></div><div class="menus_item"><a class="site-page" href="/archives/"><i class="fa-fw fas fa-archive"></i><span> Archives</span></a></div><div class="menus_item"><a class="site-page" href="/tags/"><i class="fa-fw fas fa-tags"></i><span> Tags</span></a></div><div class="menus_item"><a class="site-page" href="/categories/"><i class="fa-fw fas fa-folder-open"></i><span> Categories</span></a></div><div class="menus_item"><a class="site-page group" href="javascript:void(0);"><i class="fa-fw fas fa-list"></i><span> List</span><i class="fas fa-chevron-down"></i></a><ul class="menus_item_child"><li><a class="site-page child" href="/music/"><i class="fa-fw fas fa-music"></i><span> Music</span></a></li><li><a class="site-page child" href="/movies/"><i class="fa-fw fas fa-video"></i><span> Movie</span></a></li></ul></div><div class="menus_item"><a class="site-page" href="/link/"><i class="fa-fw fas fa-link"></i><span> Link</span></a></div><div class="menus_item"><a class="site-page" href="/about/"><i class="fa-fw fas fa-heart"></i><span> About</span></a></div></div><div id="toggle-menu"><a class="site-page" href="javascript:void(0);"><i class="fas fa-bars fa-fw"></i></a></div></div></nav><div id="post-info"><h1 class="post-title">Hadoop集群HDFS配置</h1><div id="post-meta"><div class="meta-firstline"><span class="post-meta-date"><i class="far fa-calendar-alt fa-fw post-meta-icon"></i><span class="post-meta-label">发表于</span><time class="post-meta-date-created" datetime="2024-09-11T14:45:40.000Z" title="发表于 2024-09-11 22:45:40">2024-09-11</time><span class="post-meta-separator">|</span><i class="fas fa-history fa-fw post-meta-icon"></i><span class="post-meta-label">更新于</span><time class="post-meta-date-updated" datetime="2024-09-11T14:51:42.712Z" title="更新于 2024-09-11 22:51:42">2024-09-11</time></span></div><div class="meta-secondline"><span class="post-meta-separator">|</span><span class="post-meta-pv-cv" id="" data-flag-title="Hadoop集群HDFS配置"><i class="far fa-eye fa-fw post-meta-icon"></i><span class="post-meta-label">阅读量:</span><span id="busuanzi_value_page_pv"><i class="fa-solid fa-spinner fa-spin"></i></span></span></div></div></div></header><main class="layout" id="content-inner"><div id="post"><article class="post-content" id="article-container"><h3 id="上传hadoop-3-1-4-tar-gz到-tmp，解压"><a href="#上传hadoop-3-1-4-tar-gz到-tmp，解压" class="headerlink" title="上传hadoop-3.1.4.tar.gz到/tmp，解压"></a>上传<code>hadoop-3.1.4.tar.gz</code>到<code>/tmp</code>，解压</h3><blockquote>
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<p>注意在六台机器均上传到<code>/tmp</code></p>
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</blockquote>
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<figure class="highlight bash"><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="comment"># 在6台机器执行</span></span><br><span class="line"><span class="built_in">sudo</span> tar -zxvf /tmp/hadoop-3.1.4.tar.gz -C /usr/local/</span><br><span class="line"><span class="comment"># 分发到其他主机</span></span><br><span class="line">ssh_root.sh <span class="built_in">chown</span> -R hadoop:hadoop /usr/local/hadoop-3.1.4</span><br><span class="line">ssh_root.sh <span class="built_in">ln</span> -s /usr/local/hadoop-3.1.4/ /usr/local/hadoop</span><br></pre></td></tr></table></figure>
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<h3 id="配置环境变量"><a href="#配置环境变量" class="headerlink" title="配置环境变量"></a>配置环境变量</h3><figure class="highlight bash"><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"><span class="built_in">echo</span> <span class="string">'export HADOOP_HOME=/usr/local/hadoop'</span> >> /etc/profile.d/myEnv.sh</span><br><span class="line"><span class="built_in">echo</span> <span class="string">'export PATH=$PATH:$HADOOP_HOME/bin'</span> >> /etc/profile.d/myEnv.sh</span><br><span class="line"><span class="built_in">echo</span> <span class="string">'export PATH=$PATH:$HADOOP_HOME/sbin'</span> >> /etc/profile.d/myEnv.sh</span><br></pre></td></tr></table></figure>
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<figure class="highlight bash"><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"># 分发到nn2、nn3、s1、s2、s3</span></span><br><span class="line">scp_all.sh /etc/profile.d/myEnv.sh /etc/profile.d/</span><br><span class="line"><span class="comment"># source 环境变量</span></span><br><span class="line">ssh_root.sh <span class="built_in">source</span> /etc/profile</span><br></pre></td></tr></table></figure>
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<blockquote>
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<p>还需要创建 <code>/data</code>这个目录，由于nn1、nn2、nn3已经创建<code>/data</code>，其他三台需要创建一下</p>
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</blockquote>
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<figure class="highlight bash"><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"><span class="comment">### 在s1、s2、s3执行</span></span><br><span class="line"><span class="built_in">sudo</span> <span class="built_in">mkdir</span> /data</span><br><span class="line"><span class="built_in">sudo</span> <span class="built_in">chown</span> -R hadoop:hadoop /data</span><br></pre></td></tr></table></figure>
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<h3 id="修改core-site-xml"><a href="#修改core-site-xml" class="headerlink" title="修改core-site.xml"></a>修改core-site.xml</h3><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">vim /usr/local/hadoop/etc/hadoop/core-site.xml </span><br></pre></td></tr></table></figure>
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<figure class="highlight xml"><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="tag"><<span class="name">configuration</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>fs.defaultFS<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>hdfs://ns1<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>默认文件服务的协议和NS逻辑名称，和hdfs-site.xml里的对应此配置替代了1.0里的fs.default.name<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> </span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>hadoop.tmp.dir<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>/data/tmp<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>数据存储目录<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> </span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>hadoop.proxyuser.root.groups<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>hadoop<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span></span><br><span class="line"> hdfs dfsadmin –refreshSuperUserGroupsConfiguration,</span><br><span class="line"> yarn rmadmin –refreshSuperUserGroupsConfiguration</span><br><span class="line"> 使用这两个命令不用重启就能刷新</span><br><span class="line"> <span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> </span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>hadoop.proxyuser.root.hosts<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>localhost<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>本地代理<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> </span><br><span class="line"> <span class="comment"><!-- zkfc的配置 --></span></span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span> </span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>ha.zookeeper.quorum<span class="tag"></<span class="name">name</span>></span> </span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>nn1:2181,nn2:2181,nn3:2181<span class="tag"></<span class="name">value</span>></span> </span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>HA使用的zookeeper地址<span class="tag"></<span class="name">description</span>></span> </span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"><span class="tag"></<span class="name">configuration</span>></span></span><br></pre></td></tr></table></figure>
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<h3 id="修改hdfs-site-xml"><a href="#修改hdfs-site-xml" class="headerlink" title="修改hdfs-site.xml"></a>修改<code>hdfs-site.xml</code></h3><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">vim /usr/local/hadoop/etc/hadoop/hdfs-site.xml </span><br></pre></td></tr></table></figure>
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<figure class="highlight xml"><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">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></pre></td><td class="code"><pre><span class="line"><span class="tag"><<span class="name">configuration</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.namenode.name.dir<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>/data/namenode<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>namenode本地文件存放地址<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> </span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.nameservices<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>ns1<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>提供服务的NS逻辑名称，与core-site.xml里的对应<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> </span><br><span class="line"> <span class="comment"><!-- namenode的配置 --></span></span><br><span class="line"> <span class="comment"><!-- 主要的 --></span></span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.ha.namenodes.ns1<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>nn1,nn2,nn3<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>列出该逻辑名称下的NameNode逻辑名称<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> </span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.namenode.rpc-address.ns1.nn1<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>nn1:9000<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>指定NameNode的RPC位置<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> </span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.namenode.http-address.ns1.nn1<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>nn1:50070<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>指定NameNode的Web Server位置<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> </span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.namenode.rpc-address.ns1.nn2<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>nn2:9000<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>指定NameNode的RPC位置<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> </span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.namenode.http-address.ns1.nn2<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>nn2:50070<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>指定NameNode的Web Server位置<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> </span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.namenode.rpc-address.ns1.nn3<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>nn3:9000<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>指定NameNode的RPC位置<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> </span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.namenode.http-address.ns1.nn3<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>nn3:50070<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>指定NameNode的Web Server位置<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> </span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.namenode.handler.count<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>77<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>namenode的工作线程数<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"></span><br><span class="line"> <span class="comment"><!-- journaldata配置,使得其他两个namenode同步第一个namenode数据 --></span> </span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.namenode.shared.edits.dir<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>qjournal://nn1:8485;nn2:8485;nn3:8485/ns1<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>指定用于HA存放edits的共享存储，通常是namenode的所在机器<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> </span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.journalnode.edits.dir<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>/data/journaldata/<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>journaldata服务存放文件的地址<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> </span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>ipc.client.connect.max.retries<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>10<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>namenode和journalnode的链接重试次数10次<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> </span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>ipc.client.connect.retry.interval<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>10000<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>重试的间隔时间10s<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"></span><br><span class="line"> <span class="comment"><!-- zkfc的配置 --></span></span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.ha.fencing.methods<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>sshfence<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>指定HA做隔离的方法，缺省是ssh，可设为shell，稍后详述<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> </span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.ha.fencing.ssh.private-key-files<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>/home/hadoop/.ssh/id_rsa<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>杀死命令脚本的免密配置秘钥<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> </span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.client.failover.proxy.provider.ns1<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>指定客户端用于HA切换的代理类，不同的NS可以用不同的代理类以上示例为Hadoop 2.0自带的缺省代理类<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> </span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.client.failover.proxy.provider.auto-ha<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span> </span><br><span class="line"> </span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.ha.automatic-failover.enabled<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>true<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> <span class="comment"><!-- datanode配置 --></span></span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.datanode.data.dir<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>/data/datanode<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>datanode本地文件存放地址<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.replication<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>3<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>文件复本数<span class="tag"></<span class="name">description</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.namenode.datanode.registration.ip-hostname-check<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>false<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.client.use.datanode.hostname<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>true<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">property</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">name</span>></span>dfs.datanode.use.datanode.hostname<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>true<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"><span class="tag"></<span class="name">configuration</span>></span></span><br></pre></td></tr></table></figure>
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||
<h3 id="修改hadoop-env-sh"><a href="#修改hadoop-env-sh" class="headerlink" title="修改hadoop-env.sh"></a>修改<code>hadoop-env.sh</code></h3><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">vim /usr/local/hadoop/etc/hadoop/hadoop-env.sh</span><br></pre></td></tr></table></figure>
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||
|
||
<figure class="highlight bash"><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"><span class="comment"># 添加这两行</span></span><br><span class="line"><span class="built_in">source</span> /etc/profile </span><br><span class="line"><span class="built_in">export</span> HADOOP_HEAPSIZE_MAX=512</span><br></pre></td></tr></table></figure>
|
||
<h3 id="分发这些配置文件"><a href="#分发这些配置文件" class="headerlink" title="分发这些配置文件"></a>分发这些配置文件</h3><figure class="highlight bash"><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">scp_all.sh /usr/local/hadoop/etc/hadoop/core-site.xml /usr/local/hadoop/etc/hadoop/</span><br><span class="line">scp_all.sh /usr/local/hadoop/etc/hadoop/hdfs-site.xml /usr/local/hadoop/etc/hadoop/</span><br><span class="line">scp_all.sh /usr/local/hadoop/etc/hadoop/hadoop-env.sh /usr/local/hadoop/etc/hadoop/</span><br></pre></td></tr></table></figure>
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||
<h3 id="集群初始化"><a href="#集群初始化" class="headerlink" title="集群初始化"></a>集群初始化</h3><ul>
|
||
<li><p>需要先启动zookeeper集群</p>
|
||
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">ssh_all_zookeeper.sh /usr/local/zookeeper/bin/zkServer.sh start</span><br></pre></td></tr></table></figure>
|
||
|
||
<figure class="highlight bash"><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="comment"># 第一次启动先启动journalnode，便于3个namenode的元数据同步</span></span><br><span class="line">ssh_all_zookeeper.sh hadoop-daemon.sh start journalnode</span><br></pre></td></tr></table></figure></li>
|
||
<li><p><code>zkfc</code>搭建</p>
|
||
<figure class="highlight bash"><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">#在nn1节点执行 </span></span><br><span class="line">hdfs zkfc -formatZK</span><br><span class="line"><span class="comment">#nn1 nn2 nn3启动zkfc </span></span><br><span class="line">hadoop-daemon.sh start zkfc</span><br></pre></td></tr></table></figure></li>
|
||
<li><p>初始化nn1的namenode，在nn1执行</p>
|
||
<figure class="highlight bash"><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">hdfs namenode -format </span><br><span class="line">hadoop-daemon.sh start namenode</span><br></pre></td></tr></table></figure></li>
|
||
<li><p>格式化第二台和第三台namenode，并且启动namenode,在nn2、nn3执行</p>
|
||
<figure class="highlight bash"><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">hdfs namenode -bootstrapStandby </span><br><span class="line">hadoop-daemon.sh start namenode</span><br></pre></td></tr></table></figure></li>
|
||
<li><p>修改<strong>workers</strong></p>
|
||
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">vim /usr/local/hadoop/etc/hadoop/workers</span><br></pre></td></tr></table></figure>
|
||
<p> 修改为</p>
|
||
<figure class="highlight text"><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">s1</span><br><span class="line">s2</span><br><span class="line">s3</span><br></pre></td></tr></table></figure>
|
||
<p> 分发给其他机器</p>
|
||
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">scp_all.sh /usr/local/hadoop/etc/hadoop/workers /usr/local/hadoop/etc/hadoop</span><br></pre></td></tr></table></figure></li>
|
||
<li><p>启动datanode节点，在s1、s2、s3执行</p>
|
||
<figure class="highlight bash"><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="comment">#启动各个节点的datanode</span></span><br><span class="line">hadoop-daemons.sh start datanode</span><br></pre></td></tr></table></figure></li>
|
||
</ul>
|
||
<h3 id="集群启动"><a href="#集群启动" class="headerlink" title="集群启动"></a>集群启动</h3><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">start-dfs.sh</span><br></pre></td></tr></table></figure></article><div class="post-copyright"><div class="post-copyright__author"><span class="post-copyright-meta"><i class="fas fa-circle-user fa-fw"></i>文章作者: </span><span class="post-copyright-info"><a href="https://rq.shenjianl.cn">shenjianZ</a></span></div><div class="post-copyright__type"><span class="post-copyright-meta"><i class="fas fa-square-arrow-up-right fa-fw"></i>文章链接: </span><span class="post-copyright-info"><a href="https://rq.shenjianl.cn/posts/61252.html">https://rq.shenjianl.cn/posts/61252.html</a></span></div><div class="post-copyright__notice"><span class="post-copyright-meta"><i class="fas fa-circle-exclamation fa-fw"></i>版权声明: </span><span class="post-copyright-info">本博客所有文章除特别声明外，均采用 <a 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href="#%E4%B8%8A%E4%BC%A0hadoop-3-1-4-tar-gz%E5%88%B0-tmp%EF%BC%8C%E8%A7%A3%E5%8E%8B"><span class="toc-number">1.</span> <span class="toc-text">上传hadoop-3.1.4.tar.gz到/tmp，解压</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E9%85%8D%E7%BD%AE%E7%8E%AF%E5%A2%83%E5%8F%98%E9%87%8F"><span class="toc-number">2.</span> <span class="toc-text">配置环境变量</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E4%BF%AE%E6%94%B9core-site-xml"><span class="toc-number">3.</span> <span class="toc-text">修改core-site.xml</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E4%BF%AE%E6%94%B9hdfs-site-xml"><span class="toc-number">4.</span> <span class="toc-text">修改hdfs-site.xml</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E4%BF%AE%E6%94%B9hadoop-env-sh"><span class="toc-number">5.</span> <span class="toc-text">修改hadoop-env.sh</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E5%88%86%E5%8F%91%E8%BF%99%E4%BA%9B%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6"><span class="toc-number">6.</span> <span class="toc-text">分发这些配置文件</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E9%9B%86%E7%BE%A4%E5%88%9D%E5%A7%8B%E5%8C%96"><span class="toc-number">7.</span> <span class="toc-text">集群初始化</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E9%9B%86%E7%BE%A4%E5%90%AF%E5%8A%A8"><span class="toc-number">8.</span> <span class="toc-text">集群启动</span></a></li></ol></div></div><div class="card-widget card-recent-post"><div class="item-headline"><i class="fas fa-history"></i><span>最新文章</span></div><div class="aside-list"><div class="aside-list-item no-cover"><div class="content"><a class="title" href="/posts/29139.html" title="机器学习">机器学习</a><time datetime="2025-01-13T09:20:59.000Z" title="发表于 2025-01-13 17:20:59">2025-01-13</time></div></div><div class="aside-list-item no-cover"><div class="content"><a class="title" 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