① 如何查看hbase数据库当前的状态
可以访问以下网站查看hbase服务状态及master等等信息，
http。//retailvm1d。nam。nsroot。net。60010/zk.jsp
HBase is rooted at /hbase
Active master address: retailvm1d,39706,1377502441684
Backup master addresses:
Region server holding ROOT: retailvm1d,38110,1377502442130
Region servers:
retailvm1d,38110,1377502442130
Quorum Server Statistics:
localhost:2181
Zookeeper version: 3.4.5-1392090, built on 09/30/2012 17:52 GMT
Clients:
/127.0.0.1:36679[1](queued=0,recved=441,sent=448)
/127.0.0.1:36681[1](queued=0,recved=502,sent=503)
/127.0.0.1:36678[1](queued=0,recved=521,sent=543)
/127.0.0.1:37218[0](queued=0,recved=1,sent=0)
Latency min/avg/max: 0/0/159
Received: 1533
Sent: 1562
Connections: 4
Outstanding: 0
Zxid: 0x49
Mode: standalone
Node count: 23