大数据高可用集群环境安装与配置（05）——安装zookeeper集群

1. 下载安装包

2. 执行命令下载并安装

cd /usr/local/src/
wget https://mirrors.tuna.tsinghua.edu.cn/apache/zookeeper/zookeeper-3.4.14/zookeeper-3.4.14.tar.gz
tar -zxvf zookeeper-3.4.14.tar.gz
mv zookeeper-3.4.14 /usr/local/zookeeper
cd /usr/local/zookeeper/conf
mv zoo_sample.cfg zoo.cfg

3. 修改zoo.cfg配置

vi zoo.cfg

修改下面值

dataDir=/usr/local/zookeeper
maxClientCnxns=0
autopurge.snapRetainCount=3
autopurge.purgeInterval=1
# 在尾部添加
server.1=master:2888:3888
server.2=master-backup:2888:3888

4. 添加myid文件

echo 1 > /usr/local/zookeeper/myid

5. 将zookeeper同步到其他服务器

rsync -avz /usr/local/zookeeper/ master-backup:/usr/local/zookeeper/

将master_backup服务器上myid文件里的值分别修改为2

echo 2 > /usr/local/zookeeper/myid

6. 修改服务器系统环境变量

7. 启动zookeeper服务

8. 异常检查