zookeeper简单的配置

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本文详细介绍ZooKeeper集群的部署步骤，包括安装目录设定、环境变量配置、zoo.cfg参数调整、选举序号设置、hosts文件编辑及服务管理脚本创建等关键环节。

==================== zookeeper 配置 ========================

1. zookeeper 安装目录

/usr/local/zookeeper-3.4.5

2. 设置环境变量

#Set ZooKeeper Enviroment

export ZOOKEEPER_HOME=/usr/local/zookeeper-3.4.5/zookeeper-3.4.5

export PATH=$PATH:$ZOOKEEPER_HOME/bin:$ZOOKEEPER_HOME/conf

3. zoo.cfg 配置

vi /usr/local/zookeeper-3.4.5/zookeeper-3.4.5/conf/zoo.cfg

# ---------------- zoo.cfg -------------------

tickTime=2000

initLimit=10

syncLimit=5

dataDir=/usr/local/zookeeper-3.4.5/data

clientPort=2181

dataLogDir=/usr/local/zookeeper-3.4.5/logs

server.1=server142:2888:3888

server.2=server143:2888:3888

server.3=server152:2888:3888

server.4=server122:2888:3888

server.5=server124:2888:3888

4. 设置zookeeper的选举序号

vi /usr/local/zookeeper-3.4.5/data/myid

设置值为：1,2,3,4,5

5. 设置hosts

vi /etc/hosts

--------------------------------------

192.168.1.121 server121

192.168.1.122 server122

192.168.1.123 server123

192.168.1.124 server124

192.168.1.131 server131

192.168.1.132 server132

192.168.1.133 server133

192.168.1.134 server134

192.168.1.141 server141

192.168.1.142 server142

192.168.1.143 server143

192.168.1.144 server144

192.168.1.151 server151

192.168.1.152 server152

192.168.1.153 server153

192.168.1.154 server154

6. zookeeper启动，停止，状态

/usr/local/zookeeper-3.4.5/zookeeper-3.4.5/bin/zkServer.sh stop

/usr/local/zookeeper-3.4.5/zookeeper-3.4.5/bin/zkServer.sh start

/usr/local/zookeeper-3.4.5/zookeeper-3.4.5/bin/zkServer.sh status

7. zookeeper的开启随机启动

a) 添加启动文件zookeeper

#!/bin/bash
#chkconfig:2345 20 90
#description:zookeeper
#processname:zookeeper
case $1 in
 start) su root /usr/local/zookeeper-3.4.5/zookeeper-3.4.5/bin/zkServer.sh start;;
 stop) su root /usr/local/zookeeper-3.4.5/zookeeper-3.4.5/bin/zkServer.sh stop;;
 status) su root /usr/local/zookeeper-3.4.5/zookeeper-3.4.5/bin/zkServer.sh status;;
 restart) su root /usr/local/zookeeper-3.4.5/zookeeper-3.4.5/bin/zkServer.sh restart;;
 *)  echo "require start|stop|status|restart"  ;;
esac