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<h1 class="title" id="leanote-title">Zookeeper集群安装</h1>
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<div class="content-html" id="leanote-content"><p><strong><span lang="EN-US">拓扑图</span></strong></p><p><img id="__LEANOTE_D_IMG_1479696611988" src="http://192.168.56.4:9000/api/file/getImage?fileId=583260e423eeeb0f8f0000a2" alt="" data-media-type="image" data-attr-org-src-id="FADD7431A902448BA781248D69B79C95" data-attr-org-img-file="file:///C:/Users/Administrator/AppData/Local/YNote/data/hongxiutianmo@163.com/c15ea6d35acc451b97568d1070ee19cd/clipboard.png" data-mce-src="http://192.168.56.4:9000/api/file/getImage?fileId=583260e423eeeb0f8f0000a2"></p><p><strong><span lang="EN-US">1</span></strong><strong>、下载<span lang="EN-US">Zookeeper</span></strong></p><p><a><span lang="EN-US">wget </span></a><a href="http://mirrors.cnnic.cn/apache/zookeeper/zookeeper-3.4.6/zookeeper-3.4.6.tar.gz" data-mce-href="http://mirrors.cnnic.cn/apache/zookeeper/zookeeper-3.4.6/zookeeper-3.4.6.tar.gz"><span lang="EN-US">http://mirrors.cnnic.cn/apache/zookeeper/zookeeper-3.4.6/zookeeper-3.4.6.tar.gz</span></a></p><p><a><strong><span lang="EN-US">2</span></strong></a><strong>、解压缩</strong></p><p><a><span lang="EN-US">tar –zxvf </span></a><a><span lang="EN-US">zookeeper-3.4.6.tar.gz</span></a></p><p><strong><span lang="EN-US">3</span></strong><strong>、重命名</strong></p><p><span lang="EN-US">mv zookeeper-3.4.6 zookeeper</span></p><p><strong><span lang="EN-US">4</span></strong><strong>、修改配置文件</strong></p><p><a><span lang="EN-US">cd /usr/zookeeper/conf</span></a></p><p><a><span lang="EN-US">cp zoo_sample.cfg zoo.cfg</span></a></p><p><a><span lang="EN-US">vi zoo.cfg</span></a></p><p>修改<span lang="EN-US">dataDir=<a>/usr/zookeeper/zkdata</a></span></p><p>添加</p><p><span lang="EN-US">server.1=HadoopSlave1:2888:3888</span></p><p><span lang="EN-US">server.2=HadoopSlave2:2888:3888</span></p><p><span lang="EN-US">server.3=HadoopSlave3:2888:3888</span></p><p><strong><span lang="EN-US">5</span></strong><strong>、创建目录</strong></p><p><span lang="EN-US"> </span><a><span lang="EN-US">mkdir /usr/zookeeper/zkdata</span></a></p><p><strong><span lang="EN-US">6</span></strong><strong>、创建文件</strong></p><p><span lang="EN-US"> </span><span lang="EN-US">touch /usr/zookeeper/zkdata/myid</span></p><p><strong><span lang="EN-US">7</span></strong><strong>、把<span lang="EN-US">id</span>写入文件</strong></p><p><span lang="EN-US"> </span><span lang="EN-US">echo 1 > /usr/zookeeper/zkdata/myid</span></p><p><strong><span lang="EN-US">8</span></strong><strong>、将配置好的<span lang="EN-US">zookeeper</span>安装文件拷贝至其他节点</strong></p><p><span lang="EN-US"> </span><span lang="EN-US">scp –r /usr/zookeeper HadoopSlave2:/usr/</span></p><p><span lang="EN-US"> scp –r /usr/zookeeper HadoopSlave3:/usr/</span></p><p><strong><span lang="EN-US">9</span></strong><strong>、修改<span lang="EN-US">HadoopSlave2</span>和<span lang="EN-US">HadoopSlave3</span>节点的<span lang="EN-US">id</span></strong></p><p><span lang="EN-US"> echo 2 > /usr/zookeeper/zkdata/myid</span></p><p><span lang="EN-US"> echo 3 > /usr/zookeeper/zkdata/myid</span></p><p><strong><span lang="EN-US">10</span></strong><strong>、配置环境变量（所有节点）</strong></p><p><span lang="EN-US"> vi /etc/profile</span></p><p><span lang="EN-US"> </span>添加一下内容</p><p><span lang="EN-US"> </span><span lang="EN-US">export ZOOKEEPER_HOME=/usr/zookeeper</span></p><p><span lang="EN-US">export PATH=$PATH:$ZOOKEEPER_HOME/bin</span></p><p>使环境变量生效</p><p><span lang="EN-US">source /etc/profile</span></p><p><strong><span lang="EN-US">11</span></strong><strong>、启动<span lang="EN-US">zookeeper</span>集群</strong></p><p><span lang="EN-US"> </span>在每个节点上执行 <span lang="EN-US">zkServer.sh start</span></p><p><span lang="EN-US"> </span>检查进程（每个节点）</p><p><span lang="EN-US"> <img id="__LEANOTE_D_IMG_1479696611989" src="http://192.168.56.4:9000/api/file/getImage?fileId=583260e423eeeb0f8f0000a3" alt="" width="341" height="155" data-media-type="image" data-attr-org-src-id="1F63D1267ABD43D8BAC5603AB2BD227D" data-attr-org-img-file="file:///C:/Users/Administrator/AppData/Local/YNote/data/hongxiutianmo@163.com/5114a1373ad04d99a97401b67dfb523c/lip_image001.png" data-mce-src="http://192.168.56.4:9000/api/file/getImage?fileId=583260e423eeeb0f8f0000a3"></span></p><p><span lang="EN-US"> </span>检查<span lang="EN-US">zookeeper</span>状态 <span lang="EN-US">zkServer.sh status</span></p><p><span lang="EN-US"> <img id="__LEANOTE_D_IMG_1479696611990" src="http://192.168.56.4:9000/api/file/getImage?fileId=583260e423eeeb0f8f0000a4" alt="" width="422" height="90" data-media-type="image" data-attr-org-src-id="9883332984784ADBB54576D61DDE4E37" data-attr-org-img-file="file:///C:/Users/Administrator/AppData/Local/YNote/data/hongxiutianmo@163.com/7fb8125c44344e9d8dae3ab060d0c96a/lip_image002.png" data-mce-src="http://192.168.56.4:9000/api/file/getImage?fileId=583260e423eeeb0f8f0000a4"></span></p><p><span lang="EN-US"> <img id="__LEANOTE_D_IMG_1479696611991" src="http://192.168.56.4:9000/api/file/getImage?fileId=583260e423eeeb0f8f0000a5" alt="" width="389" height="87" data-media-type="image" data-attr-org-src-id="9CB029077BA847C9945F1D60C0D08639" data-attr-org-img-file="file:///C:/Users/Administrator/AppData/Local/YNote/data/hongxiutianmo@163.com/d5ba95f4b09b4006aa2ef333a22de28a/lip_image003.png" data-mce-src="http://192.168.56.4:9000/api/file/getImage?fileId=583260e423eeeb0f8f0000a5"></span></p><p><span lang="EN-US"><img id="__LEANOTE_D_IMG_1479696611992" src="http://192.168.56.4:9000/api/file/getImage?fileId=583260e423eeeb0f8f0000a1" alt="" width="443" height="87" data-media-type="image" data-attr-org-src-id="F17B4895B3FE46198127FEBC8A49DB96" data-attr-org-img-file="file:///C:/Users/Administrator/AppData/Local/YNote/data/hongxiutianmo@163.com/36ad6ea2de8d4e23917734e1dd5786df/lip_image004.png" data-mce-src="http://192.168.56.4:9000/api/file/getImage?fileId=583260e423eeeb0f8f0000a1"></span></p><p>注：其中有一个是<span lang="EN-US">leader</span>，其余的为<span lang="EN-US">follower</span></p><p><span lang="EN-US"><br></span></p></div>
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