安装zookeeper

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1. download zookeeper-3.4.9.tar.gz, upload to /usr/local

cd /usr/localtar -zxvf zookeeper-3.4.9.tar.gzmv zookeeper-3.4.9 zookeeper

2. config path

vi ~/.bashrcadd new line: export ZOOKEEPER_HOME=/usr/local/zookeeperadd to end:  $PATH=:$ZOOKEEPER_HOME/bin

3 conf zookeeper conf

cd /usr/local/zookeeper/confcp zoo_sample.cfg  zoo.cfgvi zoo.cfg   modify:  datadir=/usr/local/zookeeper/data   add new line:      server.0=centos1:2888:3888      server.1=centos2:2888:3888      server.2=centos3:2888:3888mkdir /usr/local/zookeeper/datavi /usr/local/zookeeper/data/myid   add new line: 0

4 copy zookeeper to centos2 and centos3

scp -r /usr/local/zookeeper root@centos2:/usr/local/scp -r /usr/local/zookeeper root@centos3:/usr/local/scp ~/.bashrc root@centos2:~/scp ~/.bashrc root@centos3:~/ssh centos2:      modify /usr/local/zookeeper/data/myid to 1    source ~/.bashrcssh centos3:      modify /usr/local/zookeeper/data/myid to 2   source ~/.bashrc

5. start and check status on eash server

zkServer.sh startzkServer.sh status   if it prints leader or follower, zookeeper is startedzkServer.sh stop

jps on centos1: QuorumPeerMain
jps on centos2: QuorumPeerMain
jps on centos3: QuorumPeerMain

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