zookeeper集群部署-优快云博客

本文链接：https://blog.youkuaiyun.com/qq_16116881/article/details/118366980

本文详细介绍如何在三台服务器上部署ZooKeeper集群，包括软件下载、配置文件修改、环境变量设置等步骤，并提供集群启动脚本。

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注意：需要依赖jdk

三台服务器分别是
192.168.0.101
192.168.0.102
192.168.0.103
然后在三台服务器分别安装zookeeper

下载

wget https://www.apache.org/dyn/closer.lua/zookeeper/zookeeper-3.7.0/apache-zookeeper-3.7.0-bin.tar.gz

解压到user/local下

mv /usr/local/soft/apache-zookeeper-3.7.0 /usr/local/soft/zookeeper

修改配置文件

vim /usr/local/zookeeper/conf/zoo.cfg
initLimit=10
syncLimit=5
dataDir=/usr/local/zookeeper/soft/data
clientPort=2181
server.1=192.168.0.101:2888:3888
server.2=192.168.0.102:2888:3888
server.3=192.168.0.103:2888:3888

创建数据存储目录

mkdir -p /usr/local/soft/zookeeper/data

192.168.0.102和192.168.0.103机器上拷贝zookeeper目录

scp -r root@192.168.0.101:/usr/local/soft/zookeeper /usr/local/soft/

然后分别在3台机器上进行如下操作

创建myid文件， id 与 zoo.cfg 中的序号对应

#在192.168.0.101机器上执行
echo 1 > /usr/local/soft/zookeeper/data/myid
#在192.168.2.102机器上执行
echo 2 > /usr/local/soft/zookeeper/data/myid
#在192.168.2.103机器上执行
echo 3 > /usr/local/soft/zookeeper/data/myid

配置环境变量

vim /etc/profile

在最后加上

export ZK_HOME=/usr/local/soft/zookeeper
export PATH=$ZK_HOME/bin:$PATH

强制生效

source /etc/profile

分别启动

zkServer.sh start

查看状态

zkServer.sh status

集群启动脚本

#!/bin/bash

for host in '172.23.163.127' '172.23.163.128' '172.23.163.129'
do
        case $1 in
        "start"){
                echo "------------ $host zookeeper -----------"
                ssh $host "source /etc/profile; /home/software/zookeeper/apache-zookeeper-3.6.0-bin/bin/zkServer.sh start"
        };;
        "stop"){
                echo "------------ $host zookeeper -----------"
                ssh $host "source /etc/profile; /home/software/zookeeper/apache-zookeeper-3.6.0-bin/bin/zkServer.sh stop"
        };;
        "status"){
                echo "------------ $host zookeeper -----------"
                ssh $host "source /etc/profile; /home/software/zookeeper/apache-zookeeper-3.6.0-bin/bin/zkServer.sh status"
        };;
        esac
don