Ubuntu16.04 installs zookeeper cluster
Http://apache.fayea.com/zookeeper/
Root@node1:/usr/local/zookeeper-3.4.9# vim / etc/profile
# Zookeeper Home
Export ZOOKEEPER_HOME=/usr/local/zookeeper-3.4.9
Export PATH=$PATH:$ZOOKEEPER_HOME/bin
Root@node1:/usr/local/zookeeper-3.4.9# mkidr data
Root@node1:/usr/local/zookeeper-3.4.9# mkidr logs
Root@node1:/usr/local/zookeeper-3.4.9# vim data/myid
one
Root@node1:/usr/local/zookeeper-3.4.9# cp conf/zoo_sample.cfg conf/zoo.cfg
Root@node1:/usr/local/zookeeper-3.4.9# vim conf/zoo.cfg
DataDir=/usr/local/zookeeper-3.4.9/data
DataLogDir=/usr/local/zookeeper-3.4.9/logs
# the port at which the clients will connect
ClientPort=2181
Server.1=192.168.117.34:2888:3888
Server.2=192.168.117.40:2888:3888
Server.3=192.168.117.38:2888:3888
Then copy the configuration file to the other 2 nodes
Root@node1:/usr/local/zookeeper-3.4.9# zkServer.sh start
ZooKeeper JMX enabled by default
Using config: / usr/local/zookeeper-3.4.9/bin/../conf/zoo.cfg
Starting zookeeper... STARTED
Root@node1:/usr/local/zookeeper-3.4.9# zkServer.sh status
ZooKeeper JMX enabled by default
Using config: / usr/local/zookeeper-3.4.9/bin/../conf/zoo.cfg
Mode: follower
Imokroot@node1:/usr/local/zookeeper-3.4.9# netstat-antlp | grep 2181
Tcp 0 0127.0.0.1Rose 38052 127.0.1Rose 2181 TIME_WAIT-
Tcp6 0 0: 2181: * LISTEN 31064/java
Root@node2:/usr/local/zookeeper-3.4.9# zkServer.sh start
ZooKeeper JMX enabled by default
Using config: / usr/local/zookeeper-3.4.9/bin/../conf/zoo.cfg
Starting zookeeper... STARTED
Root@node2:/usr/local/zookeeper-3.4.9# zkServer.sh status
ZooKeeper JMX enabled by default
Using config: / usr/local/zookeeper-3.4.9/bin/../conf/zoo.cfg
Mode: leader
Root@node3:/usr/local/zookeeper-3.4.9# zkServer.sh start
ZooKeeper JMX enabled by default
Using config: / usr/local/zookeeper-3.4.9/bin/../conf/zoo.cfg
Starting zookeeper... STARTED
Root@node3:/usr/local/zookeeper-3.4.9# zkServer.sh status
ZooKeeper JMX enabled by default
Using config: / usr/local/zookeeper-3.4.9/bin/../conf/zoo.cfg
Mode: follower
Connect to Zookeeper cluster
Root@node1:/usr/local/zookeeper-3.4.9# zkCli.sh-server node1
Connecting to node1
2017-07-31 16 main:Environment@100 54 Client environment:zookeeper.version=3.4.9 31066 [myid:]-INFO [main:Environment@100]-Client environment:zookeeper.version=3.4.9-1757313, built on 08Compact 23,2016 06:50 GMT
2017-07-31 16 main:Environment@100 54 main:Environment@100 31068 [myid:]-INFO [main:Environment@100]-Client environment:host.name=node1
2017-07-31 16 main:Environment@100 54 main:Environment@100 31068 [myid:]-INFO [main:Environment@100]-Client environment:java.version=1.8.0_131
2017-07-31 16 main:Environment@100 54 Client environment:java.vendor=Oracle Corporation 31069 [myid:]-INFO [main:Environment@100]-Client environment:java.vendor=Oracle Corporation
2017-07-31 16 main:Environment@100 54V 31070 [myid:]-INFO [main:Environment@100]-Client environment:java.home=/usr/lib/jvm/java-8-openjdk-amd64/jre
2017-07-31 16 main:Environment@100 54 Client environment:java.class.path=/usr/local/zookeeper-3.4.9/bin/../build/classes:/usr/local/zookeeper-3.4.9/bin/../build/lib/*.jar:/usr/local/zookeeper-3.4.9/bin/../lib/slf4j-log4j12 31070 [myid:]-INFO [main:Environment@100]-Client environment:java.class.path=/usr/local/zookeeper-3.4.9/bin/../build/classes:/usr/local/zookeeper-3.4.9/bin/../build/lib/*.jar:/usr/local/zookeeper-3.4.9/bin/../lib/slf4j-log4j12-1.6.1.jar:/usr/local/zookeeper -3.4.9/bin/../lib/slf4j-api-1.6.1.jar:/usr/local/zookeeper-3.4.9/bin/../lib/netty-3.10.5.Final.jar:/usr/local/zookeeper-3.4.9/bin/../lib/log4j-1.2.16.jar:/usr/local/zookeeper-3.4.9/bin/../lib/jline-0.9.94.jar:/usr / local/zookeeper-3.4.9/bin/../zookeeper-3.4.9.jar:/usr/local/zookeeper-3.4.9/bin/../src/java/lib/*.jar:/usr/local/zookeeper-3.4.9/bin/../conf:.:/usr/lib/jvm/java-8-openjdk-amd64/lib://usr/lib/jvm/java-8-openjdk-amd64/jre/lib
2017-07-31 16 main:Environment@100 54V 31070 [myid:]-INFO [main:Environment@100]-Client environment:java.library.path=/usr/local/cuda-8.0/lib64:/usr/local/cuda-8.0/lib64::/usr/java/packages/lib/amd64:/usr/lib/x86_64-linux-gnu/jni:/lib/x86_64-linux-gnu:/usr/lib/x86_64-linux-gnu:/usr/lib/jni:/lib:/usr/lib
2017-07-31 16 main:Environment@100 54V 31070 [myid:]-INFO [main:Environment@100]-Client environment:java.io.tmpdir=/tmp
2017-07-31 16 main:Environment@100 54V 31070 [myid:]-INFO [main:Environment@100]-Client environment:java.compiler=
2017-07-31 16 main:Environment@100 54V 31070 [myid:]-INFO [main:Environment@100]-Client environment:os.name=Linux
2017-07-31 16 main:Environment@100 54V 31070 [myid:]-INFO [main:Environment@100]-Client environment:os.arch=amd64
2017-07-31 16 main:Environment@100 54 Client environment:os.version=4.8.0 31070 [myid:]-INFO [main:Environment@100]-Client environment:os.version=4.8.0-36-generic
2017-07-31 16 main:Environment@100 54V 31070 [myid:]-INFO [main:Environment@100]-Client environment:user.name=root
2017-07-31 16 main:Environment@100 54V 31070 [myid:]-INFO [main:Environment@100]-Client environment:user.home=/root
2017-07-31 16 main:Environment@100 54V 31070 [myid:]-INFO [main:Environment@100]-Client environment:user.dir=/usr/local/zookeeper-3.4.9
2017-07-31 16 main:ZooKeeper@438 54 Initiating client connection 31071 [myid:]-INFO [main:ZooKeeper@438]-Initiating client connection, connectString=node1 sessionTimeout=30000 watcher=org.apache.zookeeper.ZooKeeperMain$MyWatcher@22d8cfe0
Welcome to ZooKeeper!
2017-07-31 16 node1:2181 54 main-SendThread 31084 [myid:]-INFO [main-SendThread (node1:2181): ClientCnxn$SendThread@1032]-Opening socket connection to server node1/192.168.117.34:2181. Will not attempt to authenticate using SASL (unknown error)
JLine support is enabled
2017-07-31 16 node1:2181 54 main-SendThread 31123 [myid:]-INFO [main-SendThread (node1:2181): ClientCnxn$SendThread@876]-Socket connection established to node1/192.168.117.34:2181, initiating session
[zk: node1 (CONNECTING) 0] 2017-07-31 16 myid:]-INFO [main-SendThread (node1:2181): ClientCnxn$SendThread@1299]-Session establishment complete on server node1/192.168.117.34:2181, sessionid = 0x15d97c546110000, negotiated timeout = 30000
WATCHER::
WatchedEvent state:SyncConnected type:None path:null
[zk: node1 (CONNECTED) 0]
