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Zookeeper集群安装

安卓入门学习视频
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摘要: Zookeeper集群安装 SpringMVC+Mybatis, Dubbo+Zookeeper, java分布式架构

  1. 在根目录创建zookeeper文件夹(service1、service2、service3都创建)

[root@localhost/]# mkdir zookeeper

通过Xshell上传文件到service1服务器:上传zookeeper-3.4.6.tar.gz到/software文件夹

2.远程copy将service1下的/software/zookeeper-3.4.6.tar.gz到service2、service3

[root@localhostsoftware]# scp -r /software/zookeeper-3.4.6.tar.gz root@192.168.2.212:/software/

[root@localhostsoftware]# scp -r /software/zookeeper-3.4.6.tar.gz root@192.168.2.213:/software/

3.copy /software/zookeeper-3.4.6.tar.gz到/zookeeper/目录(service1、service2、service3都执行)

[root@localhost software]# cp /software/zookeeper-3.4.6.tar.gz /zookeeper/

4.安装解压zookeeper-3.4.6.tar.gz(service1、service2、service3都执行)

[root@localhost /]# cd /zookeeper/

[root@localhost zookeeper]# tar -zxvf zookeeper-3.4.6.tar.gz

5.在/zookeeper创建两个目录:zkdata、zkdatalog(service1、service2、service3都创建)

[root@localhost zookeeper]# mkdir zkdata

[root@localhost zookeeper]# mkdir zkdatalog

6.进入/zookeeper/zookeeper-3.4.6/conf/目录

[root@localhost zookeeper]# cd /zookeeper/zookeeper-3.4.6/conf/

[root@localhost conf]# ls

configuration.xsl  log4j.properties  zoo.cfg  zoo_sample.cfg

  1. 修改zoo.cfg文件

The number of milliseconds of each tick

tickTime=2000

The number of ticks that the initial

synchronization phase can take

initLimit=10

The number of ticks that can pass between

sending a request and getting an acknowledgement

syncLimit=5

the directory where the snapshot is stored.

do not use /tmp for storage, /tmp here is just

example sakes.

dataDir=/zookeeper/zkdata

dataLogDir=/zookeeper/zkdatalog

the port at which the clients will connect

clientPort=2181

the maximum number of client connections.

increase this if you need to handle more clients

#maxClientCnxns=60

#

Be sure to read the maintenance section of the

administrator guide before turning on autopurge.

#

#

#

The number of snapshots to retain in dataDir

#autopurge.snapRetainCount=3

Purge task interval in hours

Set to "0" to disable auto purge feature

#autopurge.purgeInterval=1

server.1=192.168.2.211:12888:13888

server.2=192.168.2.212:12888:13888

server.3=192.168.2.213:12888:13888

  1. 同步修改service2、service3的zoo.cfg配置

  2. myid文件写入(进入/zookeeper/zkdata目录下)

[root@localhost /]# cd /zookeeper/zkdata

[root@localhost /]# echo 1 > myid

  1. myid文件写入service2、service3

echo 2 > myid

echo 3 > myid

11.查看zk命令:

[root@localhost ~]# cd /zookeeper/zookeeper-3.4.6/bin/

[root@localhost bin]# ls

README.txt  zkCleanup.sh  zkCli.cmd  zkCli.sh  zkEnv.cmd  zkEnv.sh  zkServer.cmd  zkServer.sh  zookeeper.out

12.执行zkServer.sh查看详细命令:

[root@localhost bin]# ./zkServer.sh

JMX enabled by default

Using config: /zookeeper/zookeeper-3.4.6/bin/../conf/zoo.cfg

Usage: ./zkServer.sh {start|start-foreground|stop|restart|status|upgrade|print-cmd}

  1. 在service1、service2、service3分别启动zk服务

[root@localhost bin]# ./zkServer.sh start

  1. jps查看zk进程

[root@localhost bin]# jps

31483 QuorumPeerMain

31664 Jps

  1. 分别在service1、service2、service3查看zk状态(可以看到leader和follower节点)

[root@localhost bin]# ./zkServer.sh status

JMX enabled by default

Using config: /zookeeper/zookeeper-3.4.6/bin/../conf/zoo.cfg

Mode: follower

[root@localhost bin]# ./zkServer.sh status

JMX enabled by default

Using config: /zookeeper/zookeeper-3.4.6/bin/../conf/zoo.cfg

Mode: leader

  1. 看到leader和follower节点已经安装成功

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