1. 创建节点空间：
#连接zookeeper zookeeper-client #创建节点空间 create /impala '' #创建节点信息 create /impala/impala129 192.168.0.129:21050 create /impala/impala130 192.168.0.130:21050 create /impala/impala131 192.168.0.131:21050 #退出客户端 quit
2. 代码连接url:
jdbc:hive2://192.168.0.129:2181,192.168.0.130:2181,192.168.0.131:2181/default;auth=noSasl;serviceDiscoveryMode=zooKeeper;zooKeeperNamespace=impala3
