QingFeng Jack

QingFeng Jack

Senior SRE , Cloud Native, Kubernetes, DevOps, Golang, Python, Docker, Trablshooting, Cloud Cost reduction

Zook

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系统配置

  • Centos 7.8
  • Zookeeper-3.4.12
  • JDK 1.8.0_191

Zookeeper 分布式集群部署

wget http://archive.apache.org/dist/zookeeper/zookeeper-3.4.12/zookeeper-3.4.12.tar.gz
tar zxvf zookeeper-3.4.12.tar.gz -C /data/software ### zoo.cfg #
tickTime=2000
initLimit=10
syncLimit=5
dataDir=/data/databases/zookeeper
clientPort=2181
server.1 = zookeeper1:2888:3888
server.2 = zookeeper2:2888:3888
server.3 = zookeeper3:2888:3888

hosts 配置

vim /etc/hosts
192.168.31.48 zookeeper1
192.168.31.49 zookeeper2
192.168.31.49 zookeeper2

分别在3个节点配置myid

server1 = echo '1' > /data/databases/zookeeper/myid
server2 = echo '2' > /data/databases/zookeeper/myid
server3 = echo '3' > /data/databases/zookeeper/myid ### 启动集群并验证可用性
/data/software/zookeeper/bin/zkServer.sh start
ZooKeeper JMX enabled by default
Using config: /data/software/zookeeper/bin/../conf/zoo.cfg	
Starting zookeeper ... already running as process 20000. #### 验证集群是否已经启动
Server1

/data/software/zookeeper/bin/zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /data/software/zookeeper/bin/../conf/zoo.cfg
Mode: leader

Server2

/data/software/zookeeper/bin/zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /data/software/zookeeper/bin/../conf/zoo.cfg
Mode: follower

Server3

/data/software/zookeeper/bin/zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /data/software/zookeeper/bin/../conf/zoo.cfg
Mode: follower

任意关闭一个节点，即自动完成切换

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