Apache Zookeeper installation

1. get the latest package and extract to target directory

2. vi /conf/zoo.cfg

tickTime=2000

dataDir=/var/zookeeper

clientPort=2181

3. run zookeeper

bin/zkServer.sh start

4. connect to zookeeper

bash-4.1$ /home/usernmae/zookeeper/bin/zkCli.sh -server 127.0.0.1:2181

Connecting to 127.0.0.1:2181

2015-11-0301:53:27,866[myid:] - INFO  [main:Environment@100] - Client environment:zookeeper.version=3.4.6-1569965, built on 02/20/201409:09GMT

2015-11-0301:53:27,873[myid:] - INFO  [main:Environment@100] - Client environment:host.name=vm-7420-f521.nam.nsroot.net

2015-11-0301:53:27,873[myid:] - INFO  [main:Environment@100] - Client environment:java.version=1.8.0_60

2015-11-0301:53:27,876[myid:] - INFO  [main:Environment@100] - Client environment:java.vendor=Oracle Corporation

2015-11-0301:53:27,877[myid:] - INFO  [main:Environment@100] - Client environment:java.home=/usr/java/jdk1.8.0_60/jre

2015-11-0301:53:27,877[myid:] - INFO  [main:Environment@100] - Client environment:java.class.path=/home/gl65073/zookeeper/bin/../build/classes:/home/gl65073/zookeeper/bin/../build/lib/*.jar:/home/gl65073/zookeeper/bin/../lib/slf4j-log4j12-1.6.1.jar:/home/gl65073/zookeeper/bin/../lib/slf4j-api-1.6.1.jar:/home/username/zookeeper/bin/../lib/netty-3.7.0.Final.jar:/home/gl65073/zookeeper/bin/../lib/log4j-1.2.16.jar:/home/gl65073/zookeeper/bin/../lib/jline-0.9.94.jar:/home/gl65073/zookeeper/bin/../zookeeper-3.4.6.jar:/home/gl65073/zookeeper/bin/../src/java/lib/*.jar:/home/gl65073/zookeeper/bin/../conf:

2015-11-0301:53:27,877[myid:] - INFO  [main:Environment@100] - Client environment:java.library.path=/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib

2015-11-0301:53:27,877[myid:] - INFO  [main:Environment@100] - Client environment:java.io.tmpdir=/tmp

2015-11-0301:53:27,877[myid:] - INFO  [main:Environment@100] - Client environment:java.compiler=<NA>

2015-11-0301:53:27,877[myid:] - INFO  [main:Environment@100] - Client environment:os.name=Linux

2015-11-0301:53:27,878[myid:] - INFO  [main:Environment@100] - Client environment:os.arch=amd64

2015-11-0301:53:27,878[myid:] - INFO  [main:Environment@100] - Client environment:os.version=2.6.32-431.56.1.el6.x86_64

2015-11-0301:53:27,878[myid:] - INFO  [main:Environment@100] - Client environment:user.name=gl65073

2015-11-0301:53:27,878[myid:] - INFO  [main:Environment@100] - Client environment:user.home=/home/gl65073

2015-11-0301:53:27,879[myid:] - INFO  [main:Environment@100] - Client environment:user.dir=/home/gl65073/zookeeper/bin

2015-11-0301:53:27,881[myid:] - INFO  [main:ZooKeeper@438] - Initiating client connection, connectString=127.0.0.1:2181sessionTimeout=30000watcher=org.apache.zookeeper.ZooKeeperMain$MyWatcher@506c589e

Welcome to ZooKeeper!

2015-11-0301:53:27,940[myid:] - INFO  [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@975] - Opening socket connection to server 127.0.0.1/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)

JLine support is enabled

2015-11-0301:53:28,165[myid:] - INFO  [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@852] - Socket connection established to 127.0.0.1/127.0.0.1:2181, initiating session

2015-11-0301:53:28,185[myid:] - INFO  [main-SendThread(127.0.0.1:2181):ClientCnxn$SendThread@1235] - Session establishment complete on server 127.0.0.1/127.0.0.1:2181, sessionid = 0x150cc0c30dd0008, negotiated timeout = 30000

 

WATCHER::

 

WatchedEvent state:SyncConnected type:None path:null