zookeeper

启动集群

[root@hadoop100 conf]# bin/zkServer.sh start

启动客户端

bin/zkCli.sh -server hadoop100:2181,hadoop110:2181,hadoop120:2181

 

集群启动后查看状态，使用ncat工具，没有就yum安装(centos6.9)

yum install -y nc
echo srvr | nc hadoop120 2181

 

echo ruok | nc hadoop100 2181

 

echo conf | nc hadoop100 2181

 

 

echo stat | nc hadoop100 2181

 

 

 查看临时节点信息

echo dump | nc hadoop100 2181

 

 

 查看watch

echo wchc | nc hadoop100 2181