准备三台集群节点
1.下载ZooKeeper 3.9.1
https://dlcdn.apache.org/zookeeper/zookeeper-3.9.1/apache-zookeeper-3.9.1-bin.tar.gz
2.安装JDK
3.解压
mkdir /usr/zookeeper
mkdir /usr/zookeeper/zkData
tar -zxvf apache-zookeeper-3.9.1-bin.tar.gz -C /usr/zookeeper/
4.修改配置
cd /usr/zookeeper/apache-zookeeper-3.9.1-bin/conf/
mv zoo_sample.cfg zoo.cfg
vi zoo.cfg
tickTime=2000
initLimit=10
syncLimit=5
dataDir=/usr/zookeeper/zkData
clientPort=2181
5.配置服务器编号
echo '2' > /usr/zookeeper/zkData/myid
后续的节点在id的基础上递增即可