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itemtype="http://schema.org/Article" class="article post white-box reveal md shadow floatable blur article-type-docs" id="docs" itemprop="blogPost"><link itemprop="mainEntityOfPage" href="https://blog.mhuig.top/notes/Hadoop/high-availability"><span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization"><meta itemprop="name" content="MHuiG"></span><span hidden itemprop="post" itemscope itemtype="http://schema.org/Post"><meta itemprop="name" content="MHuiG"><meta itemprop="description" content="MHuiG&#39;s Blog (MHuiG的博客) MHuiG&#39;s Neverland（MHuiG的梦幻岛） —— MHuiG(@MHuiG) 随便写写画画的地方 - 技术博客"></span><span hidden><meta itemprop="image" content="/lib/favicon/android-chrome-192x192.png"></span><div class="article-meta" id="top"><span hidden itemprop="name headline"></span></div><div id="layoutHelper-page-plugins"></div><div id="post-body" itemprop="articleBody"><p> <span class="p logo center large">高可用分布式</span></p><br><h1 hidden>大数据处理技术 - apache hadoop 三种架构介绍 (高可用分布式环境介绍以及安装)</h1><p>高可用分布式环境搭建（适用于工作当中正式环境搭建）</p><p>实现 namenode 高可用，ResourceManager 的高可用</p><div class="story post-story"><h2 id="集群运行服务规划"><a href="#集群运行服务规划" class="headerlink" title="集群运行服务规划"></a>集群运行服务规划</h2><table><tbody><tr><th>服务器 IP</th><th>192.168.52.100</th><th>192.168.52.110</th><th>192.168.52.120</th></tr><tr><td>zookeeper</td><td>zk</td><td>zk</td><td>zk</td></tr><tr><td rowspan="4">HDFS</td><td>JournalNode</td><td>JournalNode</td><td>JournalNode</td></tr><tr><td>NameNode</td><td>NameNode</td><td></td></tr><tr><td>ZKFC</td><td>ZKFC</td><td></td></tr><tr><td>DataNode</td><td>DataNode</td><td>DataNode</td></tr><tr><td rowspan="2">YARN</td><td></td><td>ResourceManager</td><td>ResourceManager</td></tr><tr><td>NodeManager</td><td>NodeManager</td><td>NodeManager</td></tr><tr><td>MapReduce</td><td></td><td></td><td>JobHistoryServer</td></tr></tbody></table></div><div class="story post-story"><h2 id="安装包解压"><a href="#安装包解压" class="headerlink" title="安装包解压"></a>安装包解压</h2><p>停止之前的 hadoop 集群的所有服务，并删除所有机器的 hadoop 安装包，<br>第一台机器执行以下命令</p><figure class="highlight bash"><table><tbody><tr><td class="code"><pre><span class="line"><span class="built_in">cd</span> /export/servers/hadoop-2.7.5</span><br><span class="line">sbin/stop-dfs.sh</span><br><span class="line">sbin/stop-yarn.sh</span><br><span class="line">sbin/mr-jobhistory-daemon.sh stop historyserver</span><br></pre></td></tr></tbody></table></figure><figure class="highlight bash"><table><tbody><tr><td class="code"><pre><span class="line"><span class="built_in">cd</span> /export/servers/</span><br><span class="line"><span class="built_in">rm</span> -rf hadoop-2.7.5/</span><br></pre></td></tr></tbody></table></figure><p>然后重新解压 hadoop 压缩包<br>解压压缩包<br>第一台机器执行以下命令进行解压</p><figure class="highlight bash"><table><tbody><tr><td class="code"><pre><span class="line"><span class="built_in">cd</span> /export/softwares</span><br><span class="line">tar -zxvf hadoop-2.7.5.tar.gz -C ../servers/</span><br></pre></td></tr></tbody></table></figure></div><div class="story post-story"><h2 id="配置文件的修改"><a href="#配置文件的修改" class="headerlink" title="配置文件的修改"></a>配置文件的修改</h2><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><p>第一台机器执行以下命令</p><figure class="highlight bash"><table><tbody><tr><td class="code"><pre><span class="line"><span class="built_in">cd</span> /export/servers/hadoop-2.7.5/etc/hadoop</span><br><span class="line">vim core-site.xml</span><br></pre></td></tr></tbody></table></figure><figure class="highlight xml"><figcaption><span>core-site.xml</span></figcaption><table><tbody><tr><td class="code"><pre><span class="line"><span class="tag"><<span class="name">configuration</span>></span></span><br><span class="line"> <span class="comment"><!-- 指定 NameNode 的 HA 高可用的 zk 地址 --></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>node01:2181,node02:2181,node03:2181<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"><!-- 指定 HDFS 访问的域名地址 --></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://ns<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"><!-- 临时文件存储目录 --></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>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>/export/servers/hadoop-2.7.5/data/tmp<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"><!-- 开启 hdfs 垃圾箱机制，指定垃圾箱中的文件七天之后就彻底删掉单位为分钟--></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.trash.interval<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>10080<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></tbody></table></figure><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 hdfs-site.xml</h3><p>第一台机器执行以下命令</p><figure class="highlight bash"><table><tbody><tr><td class="code"><pre><span class="line"><span class="built_in">cd</span> /export/servers/hadoop-2.7.5/etc/hadoop</span><br><span class="line">vim hdfs-site.xml</span><br></pre></td></tr></tbody></table></figure><figure class="highlight xml"><figcaption><span>hdfs-site.xml</span></figcaption><table><tbody><tr><td class="code"><pre><span class="line"><span class="tag"><<span class="name">configuration</span>></span></span><br><span class="line"> <span class="comment"><!-- 指定命名空间 --></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.nameservices<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>ns<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"><!-- 指定该命名空间下的两个机器作为我们的 NameNode --></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.ns<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<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"><!-- 配置第一台服务器的 namenode 通信地址 --></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.rpc-address.ns.nn1<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>node01:8020<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"><!-- 配置第二台服务器的 namenode 通信地址 --></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.rpc-address.ns.nn2<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>node02:8020<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"><!-- 所有从节点之间相互通信端口地址 --></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.servicerpc-address.ns.nn1<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>node01:8022<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"><!-- 所有从节点之间相互通信端口地址 --></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.servicerpc-address.ns.nn2<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>node02:8022<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"><!-- 第一台服务器 namenode 的 web 访问地址 --></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.http-address.ns.nn1<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>node01:50070<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"><!-- 第二台服务器 namenode 的 web 访问地址 --></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.http-address.ns.nn2<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>node02:50070<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"><!-- journalNode 的访问地址，注意这个地址一定要配置 --></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.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://node01:8485;node02:8485;node03:8485/ns1<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"><!-- 指定故障自动恢复使用的哪个 java 类 --></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.failover.proxy.provider.ns<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 class="comment"><!-- 故障转移使用的哪种通信机制 --></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">property</span>></span></span><br><span class="line"> <span class="comment"><!-- 指定通信使用的公钥 --></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.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>/root/.ssh/id_rsa<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"><!-- journalNode 数据存放地址 --></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.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>/export/servers/hadoop-2.7.5/data/dfs/jn<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"><!-- 启用自动故障恢复功能 --></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.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"><!-- namenode 产生的文件存放路径 --></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>file:///export/servers/hadoop-2.7.5/data/dfs/nn/name<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"><!-- edits 产生的文件存放路径 --></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.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>file:///export/servers/hadoop-2.7.5/data/dfs/nn/edits<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 文件存放路径 --></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>file:///export/servers/hadoop-2.7.5/data/dfs/dn<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"><!-- 关闭 hdfs 的文件权限 --></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.permissions<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="comment"><!-- 指定 block 文件块的大小 --></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.blocksize<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>134217728<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></tbody></table></figure><h3 id="修改-yarn-site-xml"><a href="#修改-yarn-site-xml" class="headerlink" title="修改 yarn-site.xml"></a>修改 yarn-site.xml</h3><p>注意 node03 与 node02 配置不同</p><p>第一台机器执行以下命令</p><figure class="highlight bash"><table><tbody><tr><td class="code"><pre><span class="line"><span class="built_in">cd</span> /export/servers/hadoop-2.7.5/etc/hadoop</span><br><span class="line">vim yarn-site.xml</span><br></pre></td></tr></tbody></table></figure><figure class="highlight xml"><figcaption><span>yarn-site.xml</span></figcaption><table><tbody><tr><td class="code"><pre><span class="line"><span class="tag"><<span class="name">configuration</span>></span></span><br><span class="line"> <span class="comment"><!-- Site specific YARN configuration properties --></span></span><br><span class="line"> <span class="comment"><!-- 是否启用日志聚合.应用程序完成后,日志汇总收集每个容器的日志,这些日志移动到文件系统,例如 HDFS. --></span></span><br><span class="line"> <span class="comment"><!-- 用 户 可 以 通 过 配 置 "yarn.nodemanager.remote-app-log-dir" 、"yarn.nodemanager.remote-app-log-dir-suffix"来确定日志移动到的位置 --></span></span><br><span class="line"> <span class="comment"><!-- 用户可以通过应用程序时间服务器访问日志 --></span></span><br><span class="line"> <span class="comment"><!-- 启用日志聚合功能，应用程序完成后，收集各个节点的日志到一起便于查看 --></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>yarn.log-aggregation-enable<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"><!--开启 resource manager HA,默认为 false--></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>yarn.resourcemanager.ha.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"><!-- 集群的 Id，使用该值确保 RM 不会做为其它集群的 active --></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>yarn.resourcemanager.cluster-id<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>mycluster<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"><!--配置 resource manager 命名--></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>yarn.resourcemanager.ha.rm-ids<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>rm1,rm2<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"><!-- 配置第一台机器的 resourceManager --></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>yarn.resourcemanager.hostname.rm1<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>node03<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"><!-- 配置第二台机器的 resourceManager --></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>yarn.resourcemanager.hostname.rm2<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>node02<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"><!-- 配置第一台机器的 resourceManager 通信地址 --></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>yarn.resourcemanager.address.rm1<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>node03:8032<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>yarn.resourcemanager.scheduler.address.rm1<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>node03:8030<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>yarn.resourcemanager.resourcetracker.address.rm1<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>node03:8031<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>yarn.resourcemanager.admin.address.rm1<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>node03:8033<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>yarn.resourcemanager.webapp.address.rm1<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>node03:8088<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"><!-- 配置第二台机器的 resourceManager 通信地址 --></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>yarn.resourcemanager.address.rm2<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>node02:8032<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>yarn.resourcemanager.scheduler.address.rm2<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>node02:8030<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>yarn.resourcemanager.resourcetracker.address.rm2<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>node02:8031<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>yarn.resourcemanager.admin.address.rm2<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>node02:8033<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>yarn.resourcemanager.webapp.address.rm2<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>node02:8088<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"><!--开启 resourcemanager 自动恢复功能--></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>yarn.resourcemanager.recovery.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"><!--在 node1 上配置 rm1,在 node2 上配置 rm2,注意：一般都喜欢把配置好的文件远程复制到其它机器上，但这个在 YARN 的另一个机器上一定要修改，其他机器上不配置此项--></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>yarn.resourcemanager.ha.id<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>rm1<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>If we want to launch more than one RM in single node,we need this configuration<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"><!--用于持久存储的类。尝试开启--></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>yarn.resourcemanager.store.class<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.yarn.server.resourcemanager.recovery.ZKRMStateStore<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>yarn.resourcemanager.zk-address<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>node01:2181,node02:2181,node03:2181<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>For multiple zk services, separate them with comma<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="comment"><!--开启 resourcemanager 故障自动切换，指定机器--></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>yarn.resourcemanager.ha.automaticfailover.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">description</span>></span>Enable automatic failover; By default, it is enabled only when HA is enabled.<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>yarn.client.failover-proxy-provider<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.yarn.client.ConfiguredRMFailoverProxyProvider<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"><!-- 允许分配给一个任务最大的 CPU 核数，默认是 8 --></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>yarn.nodemanager.resource.cpu-vcores<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>4<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"><!-- 每个节点可用内存,单位 MB --></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>yarn.nodemanager.resource.memory-mb<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>512<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"><!-- 单个任务可申请最少内存，默认 1024MB --></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>yarn.scheduler.minimum-allocation-mb<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>512<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"><!-- 单个任务可申请最大内存，默认 8192MB --></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>yarn.scheduler.maximum-allocation-mb<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>512<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"><!--多长时间聚合删除一次日志 此处--></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>yarn.log-aggregation.retain-seconds<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>2592000<span class="tag"></<span class="name">value</span>></span><span class="comment"><!--30 day--></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> <span class="comment"><!--时间在几秒钟内保留用户日志。只适用于如果日志聚合是禁用的--></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>yarn.nodemanager.log.retain-seconds<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>604800<span class="tag"></<span class="name">value</span>></span><span class="comment"><!--7 day--></span></span><br><span class="line"> <span class="tag"></<span class="name">property</span>></span></span><br><span class="line"> <span class="comment"><!--指定文件压缩类型用于压缩汇总日志--></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>yarn.nodemanager.log-aggregation.compressiontype<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>gz<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"><!-- nodemanager 本地文件存储目录--></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>yarn.nodemanager.local-dirs<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>/export/servers/hadoop-2.7.5/yarn/local<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"><!-- resourceManager 保存最大的任务完成个数 --></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>yarn.resourcemanager.max-completed-applications<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>1000<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"><!-- 逗号隔开的服务列表，列表名称应该只包含 a-zA-Z0-9_,不能以数字开</span></span><br><span class="line"><span class="comment"> 始--></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>yarn.nodemanager.aux-services<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>mapreduce_shuffle<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"><!--rm 失联后重新链接的时间--></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>yarn.resourcemanager.connect.retry-interval.ms<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>2000<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></tbody></table></figure><h3 id="修改-mapred-site-xml"><a href="#修改-mapred-site-xml" class="headerlink" title="修改 mapred-site.xml"></a>修改 mapred-site.xml</h3><figure class="highlight bash"><table><tbody><tr><td class="code"><pre><span class="line"><span class="built_in">cd</span> /export/servers/hadoop-2.7.5/etc/hadoop</span><br><span class="line">vim mapred-site.xml</span><br></pre></td></tr></tbody></table></figure><figure class="highlight xml"><figcaption><span>mapred-site.xml</span></figcaption><table><tbody><tr><td class="code"><pre><span class="line"><span class="tag"><<span class="name">configuration</span>></span></span><br><span class="line"> <span class="comment"><!--指定运行 mapreduce 的环境是 yarn --></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>mapreduce.framework.name<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>yarn<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"><!-- MapReduce JobHistory Server IPC host:port --></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>mapreduce.jobhistory.address<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>node03:10020<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"><!-- MapReduce JobHistory Server Web UI host:port --></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>mapreduce.jobhistory.webapp.address<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>node03:19888<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"><!-- The directory where MapReduce stores control files. 默 认 ${hadoop.tmp.dir}/mapred/system --></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>mapreduce.jobtracker.system.dir<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>/export/servers/hadoop2.7.5/data/system/jobtracker<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"><!-- The amount of memory to request from the scheduler for each map task. 默认 1024--></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>mapreduce.map.memory.mb<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>1024<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"><!-- <property></span></span><br><span class="line"><span class="comment"> <name>mapreduce.map.java.opts</name></span></span><br><span class="line"><span class="comment"> <value>-Xmx1024m</value></span></span><br><span class="line"><span class="comment"> </property> --></span></span><br><span class="line"> <span class="comment"><!-- The amount of memory to request from the scheduler for each reduce task. 默认 1024--></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>mapreduce.reduce.memory.mb<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>1024<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"><!-- <property></span></span><br><span class="line"><span class="comment"> <name>mapreduce.reduce.java.opts</name></span></span><br><span class="line"><span class="comment"> <value>-Xmx2048m</value></span></span><br><span class="line"><span class="comment"> </property> --></span></span><br><span class="line"> <span class="comment"><!-- 用于存储文件的缓存内存的总数量，以兆字节为单位。默认情况下， 分配给每个合并流 1MB，给个合并流应该寻求最小化。默认值 100--></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>mapreduce.task.io.sort.mb<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>100<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"><!-- <property></span></span><br><span class="line"><span class="comment"> <name>mapreduce.jobtracker.handler.count</name></span></span><br><span class="line"><span class="comment"> <value>25</value></span></span><br><span class="line"><span class="comment"> </property>--></span></span><br><span class="line"> <span class="comment"><!-- 整理文件时用于合并的流的数量。这决定了打开的文件句柄的数量。 默认值 10--></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>mapreduce.task.io.sort.factor<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">property</span>></span></span><br><span class="line"> <span class="comment"><!-- 默认的并行传输量由 reduce 在 copy(shuffle)阶段。默认值 5--></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>mapreduce.reduce.shuffle.parallelcopies<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>25<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>yarn.app.mapreduce.am.command-opts<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>-Xmx1024m<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"><!-- MR AppMaster 所需的内存总量。默认值 1536--></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>yarn.app.mapreduce.am.resource.mb<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>1536<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"><!-- MapReduce 存储中间数据文件的本地目录。目录不存在则被忽略。默 认值${hadoop.tmp.dir}/mapred/local--></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>mapreduce.cluster.local.dir<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>/export/servers/hadoop-2.7.5/data/system/local<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></tbody></table></figure><h3 id="修改-slaves"><a href="#修改-slaves" class="headerlink" title="修改 slaves"></a>修改 slaves</h3><p>第一台机器执行以下命令</p><figure class="highlight bash"><table><tbody><tr><td class="code"><pre><span class="line"><span class="built_in">cd</span> /export/servers/hadoop-2.7.5/etc/hadoop</span><br><span class="line">vim slaves</span><br></pre></td></tr></tbody></table></figure><figure class="highlight properties"><figcaption><span>slaves</span></figcaption><table><tbody><tr><td class="code"><pre><span class="line"><span class="attr">node01</span></span><br><span class="line"><span class="attr">node02</span></span><br><span class="line"><span class="attr">node03</span></span><br></pre></td></tr></tbody></table></figure><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 hadoop-env.sh</h3><p>第一台机器执行以下命令</p><figure class="highlight bash"><table><tbody><tr><td class="code"><pre><span class="line"><span class="built_in">cd</span> /export/servers/hadoop-2.7.5/etc/hadoop</span><br><span class="line">vim hadoop-env.sh</span><br></pre></td></tr></tbody></table></figure><figure class="highlight properties"><figcaption><span>hadoop-env.sh</span></figcaption><table><tbody><tr><td class="code"><pre><span class="line"><span class="attr">export</span> <span class="string">JAVA_HOME=/export/servers/jdk1.8.0_141</span></span><br></pre></td></tr></tbody></table></figure></div><div class="story post-story"><h2 id="集群启动过程"><a href="#集群启动过程" class="headerlink" title="集群启动过程"></a>集群启动过程</h2><p>将第一台机器的安装包发送到其他机器上<br>第一台机器执行以下命令</p><figure class="highlight bash"><table><tbody><tr><td class="code"><pre><span class="line"><span class="built_in">cd</span> /export/servers</span><br><span class="line">scp -r hadoop-2.7.5/ node02:<span class="variable">$PWD</span></span><br><span class="line">scp -r hadoop-2.7.5/ node03:<span class="variable">$PWD</span></span><br></pre></td></tr></tbody></table></figure><p>三台机器上共同创建目录<br>三台机器执行以下命令</p><figure class="highlight bash"><table><tbody><tr><td class="code"><pre><span class="line"><span class="built_in">mkdir</span> -p /export/servers/hadoop-2.7.5/data/dfs/nn/name</span><br><span class="line"><span class="built_in">mkdir</span> -p /export/servers/hadoop-2.7.5/data/dfs/nn/edits</span><br><span class="line"><span class="built_in">mkdir</span> -p /export/servers/hadoop-2.7.5/data/dfs/nn/name</span><br><span class="line"><span class="built_in">mkdir</span> -p /export/servers/hadoop-2.7.5/data/dfs/nn/edits</span><br></pre></td></tr></tbody></table></figure><p>更改 node02 的 rm2<br>第二台机器执行以下命令</p><figure class="highlight bash"><table><tbody><tr><td class="code"><pre><span class="line"><span class="built_in">cd</span> /export/servers/hadoop-2.7.5/etc/hadoop</span><br><span class="line">vim yarn-site.xml</span><br></pre></td></tr></tbody></table></figure><figure class="highlight xml"><figcaption><span>yarn-site.xml</span></figcaption><table><tbody><tr><td class="code"><pre><span class="line"><span class="comment"><!--在 node3 上配置 rm1,在 node2 上配置 rm2,注意：一般都喜欢把配置好的文件远程复制到其它机器上，</span></span><br><span class="line"><span class="comment">但这个在 YARN 的另一个机器上一定要修改，其他机器上不配置此项</span></span><br><span class="line"><span class="comment">注意我们现在有两个 resourceManager 第三台是 rm1 第二台是 rm2</span></span><br><span class="line"><span class="comment">这个配置一定要记得去 node02 上面改好</span></span><br><span class="line"><span class="comment">--></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>yarn.resourcemanager.ha.id<span class="tag"></<span class="name">name</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">value</span>></span>rm2<span class="tag"></<span class="name">value</span>></span></span><br><span class="line"> <span class="tag"><<span class="name">description</span>></span>If we want to launch more than one RM in single node, we need this configuration<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></pre></td></tr></tbody></table></figure></div><div class="story post-story"><h2 id="启动-HDFS-过程"><a href="#启动-HDFS-过程" class="headerlink" title="启动 HDFS 过程"></a>启动 HDFS 过程</h2><p>node01 机器执行以下命令</p><figure class="highlight bash"><table><tbody><tr><td class="code"><pre><span class="line"><span class="built_in">cd</span> /export/servers/hadoop-2.7.5</span><br><span class="line">bin/hdfs zkfc -formatZK</span><br><span class="line">sbin/hadoop-daemons.sh start journalnode</span><br><span class="line">bin/hdfs namenode -format</span><br><span class="line">bin/hdfs namenode -initializeSharedEdits -force</span><br><span class="line">sbin/start-dfs.sh</span><br></pre></td></tr></tbody></table></figure><figure class="highlight bash"><table><tbody><tr><td class="code"><pre><span class="line">jps</span><br></pre></td></tr></tbody></table></figure><p><img src="https://static.mhuig.top/npm/mhgoos@0.0.1652233671999/node01.webp" class="lazyload" data-srcset="https://static.mhuig.top/npm/mhgoos@0.0.1652233671999/node01.webp" srcset="data:image/gif;base64,R0lGODlhAQABAIAAAP///////yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" alt="node01"></p><p>node02 上面执行</p><figure class="highlight bash"><table><tbody><tr><td class="code"><pre><span class="line"><span class="built_in">cd</span> /export/servers/hadoop-2.7.5</span><br><span class="line">bin/hdfs namenode -bootstrapStandby</span><br><span class="line">sbin/hadoop-daemon.sh start namenode</span><br></pre></td></tr></tbody></table></figure></div><div class="story post-story"><h2 id="启动-yarn-过程"><a href="#启动-yarn-过程" class="headerlink" title="启动 yarn 过程"></a>启动 yarn 过程</h2><p>node03 上面执行</p><figure class="highlight bash"><table><tbody><tr><td class="code"><pre><span class="line"><span class="built_in">cd</span> /export/servers/hadoop-2.7.5</span><br><span class="line">sbin/start-yarn.sh</span><br></pre></td></tr></tbody></table></figure><p>node02 上执行</p><figure class="highlight bash"><table><tbody><tr><td class="code"><pre><span class="line"><span class="built_in">cd</span> /export/servers/hadoop-2.7.5</span><br><span class="line">sbin/start-yarn.sh</span><br></pre></td></tr></tbody></table></figure><p><img src="https://static.mhuig.top/npm/mhgoos@0.0.1652233819414/23.webp" class="lazyload" data-srcset="https://static.mhuig.top/npm/mhgoos@0.0.1652233819414/23.webp" srcset="data:image/gif;base64,R0lGODlhAQABAIAAAP///////yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" alt="node0203"></p></div><div class="story post-story"><h2 id="查看-resourceManager-状态"><a href="#查看-resourceManager-状态" class="headerlink" title="查看 resourceManager 状态"></a>查看 resourceManager 状态</h2><p>node03 上面执行</p><figure class="highlight bash"><table><tbody><tr><td class="code"><pre><span class="line"><span class="built_in">cd</span> /export/servers/hadoop-2.7.5</span><br><span class="line">bin/yarn rmadmin -getServiceState rm1</span><br></pre></td></tr></tbody></table></figure><p><img src="https://static.mhuig.top/npm/mhgoos@0.0.1652233929202/03.webp" class="lazyload" data-srcset="https://static.mhuig.top/npm/mhgoos@0.0.1652233929202/03.webp" srcset="data:image/gif;base64,R0lGODlhAQABAIAAAP///////yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" alt="NODE03"></p><p>node02 上面执行</p><figure class="highlight bash"><table><tbody><tr><td class="code"><pre><span class="line"><span class="built_in">cd</span> /export/servers/hadoop-2.7.5</span><br><span class="line">bin/yarn rmadmin -getServiceState rm2</span><br></pre></td></tr></tbody></table></figure></div><div class="story post-story"><h2 id="启动-jobHistory"><a href="#启动-jobHistory" class="headerlink" title="启动 jobHistory"></a>启动 jobHistory</h2><p>node03 机器执行以下命令启动 jobHistory</p><figure class="highlight bash"><table><tbody><tr><td class="code"><pre><span class="line"><span class="built_in">cd</span> /export/servers/hadoop-2.7.5</span><br><span class="line">sbin/mr-jobhistory-daemon.sh start historyserver</span><br></pre></td></tr></tbody></table></figure></div><div class="story post-story"><h2 id="hdfs-状态查看"><a href="#hdfs-状态查看" class="headerlink" title="hdfs 状态查看"></a>hdfs 状态查看</h2><p>node01 机器查看 hdfs 状态<br><a target="_blank" rel="external nofollow noopener noreferrer" href="http://192.168.52.100:50070/dfshealth.html#tab-overview">http://192.168.52.100:50070/dfshealth.html#tab-overview</a></p><p><img src="https://static.mhuig.top/npm/mhgoos@0.0.1652235076947/hdfs-1.webp" class="lazyload" data-srcset="https://static.mhuig.top/npm/mhgoos@0.0.1652235076947/hdfs-1.webp" srcset="data:image/gif;base64,R0lGODlhAQABAIAAAP///////yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" alt="hdfs-1"></p><p>node02 机器查看 hdfs 状态<br><a target="_blank" rel="external nofollow noopener noreferrer" href="http://192.168.52.110:50070/dfshealth.html#tab-overview">http://192.168.52.110:50070/dfshealth.html#tab-overview</a></p><p><img src="https://static.mhuig.top/npm/mhgoos@0.0.1652235007073/hdfs-2.webp" class="lazyload" data-srcset="https://static.mhuig.top/npm/mhgoos@0.0.1652235007073/hdfs-2.webp" srcset="data:image/gif;base64,R0lGODlhAQABAIAAAP///////yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" alt="hdfs-2"></p></div><div class="story post-story"><h2 id="yarn-集群访问查看"><a href="#yarn-集群访问查看" class="headerlink" title="yarn 集群访问查看"></a>yarn 集群访问查看</h2><p><a target="_blank" rel="external nofollow noopener noreferrer" href="http://192.168.52.120:8088/cluster">http://192.168.52.120:8088/cluster</a></p><p><img src="https://static.mhuig.top/npm/mhgoos@0.0.1652234940062/cluster.webp" class="lazyload" data-srcset="https://static.mhuig.top/npm/mhgoos@0.0.1652234940062/cluster.webp" srcset="data:image/gif;base64,R0lGODlhAQABAIAAAP///////yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" alt="yarn"></p></div><div 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title="/notes/Hadoop/" href="/notes/Hadoop/" active-action="action-notesHadoop"><div class="name"> Welcome</div></a></li><li><a class="flat-box" title="/notes/Hadoop/history" href="/notes/Hadoop/history" active-action="action-notesHadoophistory"><div class="name"> 发展历史</div></a></li><li><a class="flat-box" title="/notes/Hadoop/hdoop-arch" href="/notes/Hadoop/hdoop-arch" active-action="action-notesHadoophdoop-arch"><div class="name"> 架构模型</div></a></li><li><a class="flat-box" title="/notes/Hadoop/stand-alone" href="/notes/Hadoop/stand-alone" active-action="action-notesHadoopstand-alone"><div class="name"> StandAlone</div></a></li><li><a class="flat-box" title="/notes/Hadoop/pseudo-distributed" href="/notes/Hadoop/pseudo-distributed" active-action="action-notesHadooppseudo-distributed"><div class="name"> 伪分布式</div></a></li><li><a class="flat-box" title="/notes/Hadoop/high-availability" href="/notes/Hadoop/high-availability" active-action="action-notesHadoophigh-availability"><div 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<span class="name">本文目录</span></header><div class="content"><ol class="toc"><li class="toc-item toc-level-2"><a class="toc-link" href="#%E9%9B%86%E7%BE%A4%E8%BF%90%E8%A1%8C%E6%9C%8D%E5%8A%A1%E8%A7%84%E5%88%92"><span class="toc-text">集群运行服务规划</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%AE%89%E8%A3%85%E5%8C%85%E8%A7%A3%E5%8E%8B"><span class="toc-text">安装包解压</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6%E7%9A%84%E4%BF%AE%E6%94%B9"><span class="toc-text">配置文件的修改</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#%E4%BF%AE%E6%94%B9-core-site-xml"><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%B9-hdfs-site-xml"><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%B9-yarn-site-xml"><span class="toc-text">修改 yarn-site.xml</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E4%BF%AE%E6%94%B9-mapred-site-xml"><span class="toc-text">修改 mapred-site.xml</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E4%BF%AE%E6%94%B9-slaves"><span class="toc-text">修改 slaves</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#%E4%BF%AE%E6%94%B9-hadoop-env-sh"><span class="toc-text">修改 hadoop-env.sh</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E9%9B%86%E7%BE%A4%E5%90%AF%E5%8A%A8%E8%BF%87%E7%A8%8B"><span class="toc-text">集群启动过程</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%90%AF%E5%8A%A8-HDFS-%E8%BF%87%E7%A8%8B"><span class="toc-text">启动 HDFS 过程</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%90%AF%E5%8A%A8-yarn-%E8%BF%87%E7%A8%8B"><span class="toc-text">启动 yarn 过程</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E6%9F%A5%E7%9C%8B-resourceManager-%E7%8A%B6%E6%80%81"><span class="toc-text">查看 resourceManager 状态</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%90%AF%E5%8A%A8-jobHistory"><span class="toc-text">启动 jobHistory</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#hdfs-%E7%8A%B6%E6%80%81%E6%9F%A5%E7%9C%8B"><span class="toc-text">hdfs 状态查看</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#yarn-%E9%9B%86%E7%BE%A4%E8%AE%BF%E9%97%AE%E6%9F%A5%E7%9C%8B"><span class="toc-text">yarn 集群访问查看</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%8E%86%E5%8F%B2%E4%BB%BB%E5%8A%A1%E6%B5%8F%E8%A7%88%E7%95%8C%E9%9D%A2"><span class="toc-text">历史任务浏览界面</span></a></li></ol></div></section></div><div class="pjax"></div><div class="pjax"></div><div class="pjax"></div><div class="pjax"></div><div class="pjax"></div><div class="pjax"></div><div class="pjax"></div><div 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