zookeeeper集群环境查看leader节点

• 在项目实施中经常需要用用zookeeeper集群环境，当需要定位zookeeper集群是否稳定的时候，会需要判断集群中leader是否进行改变，这时候就需要命令来查看

  zookeeper-3.4.6/bin ./zkServer.sh status
  
  ZooKeeper JMX enabled by default
  Using config: /home/storm/zookeeper/bin/../conf/zoo.cfg
  Mode: follower
  
  
  zookeeper-3.4.6/bin ./zkServer.sh status
  
  ZooKeeper JMX enabled by default
  Using config: /home/storm/zookeeper/bin/../conf/zoo.cfg
  Mode: leader