查看zookeeper版本

命令

echo stat|nc localhost 2181 

 zookeeper@kafka-zookeeper-0:/$ echo stat|nc localhost 2181
Zookeeper version: 3.4.10-39d3a4f269333c922ed3db283be479f9deacaa0f, built on 03/23/2017 10:13 GMT
Clients:
 /127.0.0.1:54002[0](queued=0,recved=1,sent=0)
 /10.244.5.242:55252[1](queued=0,recved=19045,sent=19050)
 /10.244.1.177:47808[1](queued=0,recved=18889,sent=18889)

Latency min/avg/max: 0/0/21
Received: 57834
Sent: 57838
Connections: 3
Outstanding: 0
Zxid: 0x1000000b4
Mode: follower
Node count: 135