你可以使用统计数据 四个字母的单词 ,
~$echo stat | nc 127.0.0.1 <zkport>
这给你输出像,
Zookeeper version: 3.4.5-1392090, built on 09/30/2012 17:52 GMT Clients: /127.0.0.1:55829[0](queued=0,recved=1,sent=0) Latency min/avg/max: 0/0/0 Received: 3 Sent: 2 Connections: 1 Outstanding: 0 Zxid: 0x100000000 Mode: leader Node count: 4
该 Mode: line告诉您服务器运行的模式,如果节点不是群集的一部分,则为leader,follower或standalone。
Mode: