Zookeeper-3.4.14 Cluster Construction

Zookeeper-3.4.14 Installation

• Official website download address:
  Zookeeper 3.4.14 Download
• decompression

  tar -zxvf zookeeper-3.4.14.tar.gz
  

• Modify configuration files

  cd /usr/local/software/zookeeper-3.4.14/conf/
  cp zoo_sample.cfg zoo.cfg
  vi zoo.cfg
  # Modify dataDir in zoo.cfg file 
      dataDir=/opt/data/zookeeper
  

• Start zookeeper
  • Start the zookeeper server

      [root@node01 zookeeper-3.4.14]# bin/zkServer.sh start//start server
      ZooKeeper JMX enabled by default
      Using config: /usr/local/software/zookeeper-3.4.14/bin/../conf/zoo.cfg
      Starting zookeeper ... STARTED
      [root@node01 zookeeper-3.4.14]# jps  # View process
      7376 Jps
      7358 QuorumPeerMain
      [root@node01 zookeeper-3.4.14]# bin/zkServer.sh status # View state
      ZooKeeper JMX enabled by default
      Using config: /usr/local/software/zookeeper-3.4.14/bin/../conf/zoo.cfg
      Mode: standalone
    

  • Start the zookeeper client

    bin/zkCli.sh
    

Zookeeper 3.4.14 Cluster

• Cluster Planning Noe01, Noe02, Noe03 Deployment Zookeeper
• Modify configuration files
  • Modify the zoo.cfg file and append it at the end of the file

     server.1=node01:2888:3888
     server.2=node02:2888:3888
     server.3=node03:2888:3888
    

  • Add myid file
    The file content corresponds to zoo.cfg configuration. If node03 servers correspond to server.3, then myid content is 3

    root@node03 zookeeper]# cd /opt/data/zookeeper/
    [root@node03 zookeeper]# touch myid
    [root@node03 zookeeper]# vi myid
    [root@node03 zookeeper-3.4.14]# cat /opt/data/zookeeper/myid 
    3
    

• Copy files to other servers

  scp -r /usr/local/software/zookeeper-3.4.14 root@node02:/usr/local/software/zookeeper-3.4.14
  scp -r /opt/data/zookeeper/ root@node02:/opt/data/zookeeper
  

• Start Zookeeper on all servers

  [root@node01 zookeeper-3.4.14]# bin/zkServer.sh start
  ZooKeeper JMX enabled by default
  Using config: /usr/local/software/zookeeper-3.4.14/bin/../conf/zoo.cfg
  Starting zookeeper ... STARTED
  

• inspect
  View Zookeeper status after all Zookeeper boots

  [root@node01 zookeeper-3.4.14]# bin/zkServer.sh status
  ZooKeeper JMX enabled by default
  Using config: /usr/local/software/zookeeper-3.4.14/bin/../conf/zoo.cfg
  Mode: follower