hadoop系列之一ZooKeeper集群 安装

1、下载zookeeper-3.4.10.tar.gz

2、解压缩zookeeper-3.4.10.tar.gz

     #tar xvf zookeeper-3.4.10.tar.gz

3、配置zookeeper

     将以下内容写入到/opt/hadoop/zookeeper-3.4.10/bin/../conf/zoo.cfg

     initLimit=10
     syncLimit=5
     dataDir=/opt/hadoop/zookeeper-3.4.10/
     clientPort=2181
    autopurge.snapRetainCount=3
    autopurge.purgeInterval=1
    server.1=nnnode1:2888:3888
   server.2=nnnode2:2888:3888
   server.3=nnnode3:2888:3888

   将/opt/hadoop/zookeeper-3.4.10/bin/../conf/zoo.cfg文件复制到另外两台机器

4、在每台服务器上设置myid

5、启动zookeeper

    在每台机器上执行如下命令

     #bash /opt/hadoop/zookeeper-3.4.10/bin/zkServer.sh start

6、查看状态

    在每台机器上执行如下命令

    #bash /opt/hadoop/zookeeper-3.4.10/bin/zkServer.sh status

    出现如下信息说明启动成功

    ZooKeeper JMX enabled by default
    Using config: /opt/hadoop/zookeeper-3.4.10/bin/../conf/zoo.cfg
    Mode: leader

7、停止zookeeper  

     #bash /opt/hadoop/zookeeper-3.4.10/bin/zkServer.sh stop