ZOOKEEPER
zkServer.sh查看基本信息 status
[root@hmaster ~]# find / -name zkServer.sh /opt/cloudera/parcels/CDH-5.4.7-1.cdh5.4.7.p0.3/lib/zookeeper/bin/zkServer.sh find: `/proc/7410': No such file or directory [root@hmaster ~]# /opt/cloudera/parcels/CDH-5.4.7-1.cdh5.4.7.p0.3/lib/zookeeper/bin/zkServer.sh status JMX enabled by default Using config: /opt/cloudera/parcels/CDH-5.4.7-1.cdh5.4.7.p0.3/lib/zookeeper/bin/../conf/zoo.cfg Mode: leader
zkCli.sh client连接server
[root@hmaster ~]# find / -name zkCli.sh /opt/cloudera/parcels/CDH-5.4.7-1.cdh5.4.7.p0.3/lib/zookeeper/bin/zkCli.sh [root@hmaster ~]# /opt/cloudera/parcels/CDH-5.4.7-1.cdh5.4.7.p0.3/lib/zookeeper/bin/zkCli.sh -server localhost:2181 Connecting to localhost:2181 2016-11-29 09:45:52,351 [myid:] - INFO [main:Environment@100] - Client environment:zookeeper.version=3.4.5-cdh5.4.7--1, built on 09/17/2015 09:14 GMT 2016-11-29 09:45:52,359 [myid:] - INFO [main:Environment@100] - Client environment:host.name=hmaster.hillstonenet.com 2016-11-29 09:45:52,359 [myid:] - INFO [main:Environment@100] - Client environment:java.version=1.8.0_65 2016-11-29 09:45:52,364 [myid:] - INFO [main:Environment@100] - Client environment:java.vendor=Oracle Corporation 2016-11-29 09:45:52,365 [myid:] - INFO [main:Environment@100] - Client environment:java.home=/usr/local/jdk1.8.0_65/jre 2016-11-29 09:45:52,365 [myid:] - INFO [main:Environment@100] - Client environment:java.class.path=/opt/cloudera/parcels/CDH-5.4.7-1.cdh5.4.7.p0.3/lib/zookeeper/bin/../build/classes:/opt/cloudera/parcels/CDH-5.4.7-1.cdh5.4.7.p0.3/lib/zookeeper/bin/../build/lib/*.jar:/opt/cloudera/parcels/CDH-5.4.7-1.cdh5.4.7.p0.3/lib/zookeeper/bin/../lib/slf4j-log4j12.jar:/opt/cloudera/parcels/CDH-5.4.7-1.cdh5.4.7.p0.3/lib/zookeeper/bin/../lib/slf4j-log4j12-1.7.5.jar:/opt/cloudera/parcels/CDH-5.4.7-1.cdh5.4.7.p0.3/lib/zookeeper/bin/../lib/slf4j-api-1.7.5.jar:/opt/cloudera/parcels/CDH-5.4.7-1.cdh5.4.7.p0.3/lib/zookeeper/bin/../lib/netty-3.2.2.Final.jar:/opt/cloudera/parcels/CDH-5.4.7-1.cdh5.4.7.p0.3/lib/zookeeper/bin/../lib/log4j-1.2.16.jar:/opt/cloudera/parcels/CDH-5.4.7-1.cdh5.4.7.p0.3/lib/zookeeper/bin/../lib/jline-2.11.jar:/opt/cloudera/parcels/CDH-5.4.7-1.cdh5.4.7.p0.3/lib/zookeeper/bin/../zookeeper-3.4.5-cdh5.4.7.jar:/opt/cloudera/parcels/CDH-5.4.7-1.cdh5.4.7.p0.3/lib/zookeeper/bin/../src/java/lib/*.jar:/opt/cloudera/parcels/CDH-5.4.7-1.cdh5.4.7.p0.3/lib/zookeeper/bin/../conf: 2016-11-29 09:45:52,365 [myid:] - INFO [main:Environment@100] - Client environment:java.library.path=/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib 2016-11-29 09:45:52,366 [myid:] - INFO [main:Environment@100] - Client environment:java.io.tmpdir=/tmp 2016-11-29 09:45:52,366 [myid:] - INFO [main:Environment@100] - Client environment:java.compiler=2016-11-29 09:45:52,366 [myid:] - INFO [main:Environment@100] - Client environment:os.name=Linux 2016-11-29 09:45:52,367 [myid:] - INFO [main:Environment@100] - Client environment:os.arch=amd64 2016-11-29 09:45:52,367 [myid:] - INFO [main:Environment@100] - Client environment:os.version=2.6.32-504.el6.x86_64 2016-11-29 09:45:52,367 [myid:] - INFO [main:Environment@100] - Client environment:user.name=root 2016-11-29 09:45:52,367 [myid:] - INFO [main:Environment@100] - Client environment:user.home=/root 2016-11-29 09:45:52,368 [myid:] - INFO [main:Environment@100] - Client environment:user.dir=/root 2016-11-29 09:45:52,372 [myid:] - INFO [main:ZooKeeper@645] - Initiating client connection, connectString=localhost:2181 sessionTimeout=30000 watcher=org.apache.zookeeper.ZooKeeperMain$MyWatcher@506c589e Welcome to ZooKeeper! 2016-11-29 09:45:52,427 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@1061] - Opening socket connection to server localhost/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error) JLine support is enabled 2016-11-29 09:45:52,641 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@938] - Socket connection established, initiating session, client: /127.0.0.1:38419, server: localhost/127.0.0.1:2181 2016-11-29 09:45:52,661 [myid:] - INFO [main-SendThread(localhost:2181):ClientCnxn$SendThread@1321] - Session establishment complete on server localhost/127.0.0.1:2181, sessionid = 0x358aa131fd405d6, negotiated timeout = 30000 WATCHER:: WatchedEvent state:SyncConnected type:None path:null
zookeeper cli的所有命令
[zk: localhost:2181(CONNECTED) 0] ? ZooKeeper -server host:port cmd args stat path [watch] set path data [version] ls path [watch] delquota [-n|-b] path ls2 path [watch] setAcl path acl setquota -n|-b val path history redo cmdno printwatches on|off delete path [version] sync path listquota path rmr path get path [watch] create [-s] [-e] path data acl addauth scheme auth quit getAcl path close connect host:port
zookeeper cli demo 查看hbase的znode信息
[zk: localhost:2181(CONNECTED) 0] ls / [hillstone, zookeeper, hbase] [zk: localhost:2181(CONNECTED) 1] ls /hbase [replication, meta-region-server, rs, splitWAL, backup-masters, table-lock, flush-table-proc, region-in-transition, online-snapshot, master, running, recovering-regions, draining, namespace, hbaseid, table] [zk: localhost:2181(CONNECTED) 12] ls2 /hbase [replication, meta-region-server, rs, splitWAL, backup-masters, table-lock, flush-table-proc, region-in-transition, online-snapshot, master, running, recovering-regions, draining, namespace, hbaseid, table] cZxid = 0x100000004 ctime = Mon Nov 28 16:37:08 CST 2016 mZxid = 0x100000004 mtime = Mon Nov 28 16:37:08 CST 2016 pZxid = 0x100000047 cversion = 16 dataVersion = 0 aclVersion = 0 ephemeralOwner = 0x0 dataLength = 0 numChildren = 16 [zk: localhost:2181(CONNECTED) 15] get /hbase/meta-region-server �regionserver:60020�Y?�5PBUF ' datanode2.hillstonenet.com�����Њ+ cZxid = 0x100000039 ctime = Mon Nov 28 16:37:18 CST 2016 mZxid = 0x100000039 mtime = Mon Nov 28 16:37:18 CST 2016 pZxid = 0x100000039 cversion = 0 dataVersion = 0 aclVersion = 0 ephemeralOwner = 0x0 dataLength = 80 numChildren = 0 [zk: localhost:2181(CONNECTED) 16] quit Quitting... 2016-11-29 09:58:33,576 [myid:] - INFO [main-EventThread:ClientCnxn$EventThread@532] - EventThread shut down 2016-11-29 09:58:33,577 [myid:] - INFO [main:ZooKeeper@891] - Session: 0x358aa131fd405d6 closed [root@hmaster ~]#