搭建zookeeper伪分布式集群
2018-05-06 23:47
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1.安装zookeeper 到/usr/local
2.cd /usr/local/zookeeper
3.cd conf
4.vim zoo.cfg
在最下面添加如下内容
server.1=192.168.123.129:2888:3888 server.2=192.168.123.129:2889:3889 server.3=192.168.123.129:2890:3890
5.cd ../dataDir
6.vim myid
内容 为 1
7. cp zookeeper zookeeper02 复制zookeeper目录为zookeeper02
8.cd zookeeper02/conf
9.vim conf/zoo.cfg
10.内容修改如下
11.zookeeper02中的dataDir目录中的myid为2
13.zookerper03的配置和zookeeper02类似
14.启动zookeeper,zookeeper02,zookeeper03服务,
15.
./zkServer.sh -server localhost:2181
使用客户端连接zookeeper服务
16.新建节点
create /data 123
17.退出服务,连接zookeeper02
./zookeeper -server localhost:2182
18.
ls /
查看根节点,发现data节点已经同步到zookeeper02上了,
19.查看zookeeper03的节点是否同步上,步骤和02一样
20.
./zkServer.sh status
分别查看zookeeper,zookeeper02,zookeeper03的主从关系,有的是leader,有的是follwer
如果我们关闭了leader服务,那么原先fllower的机子中,就会有一台服务成为leader.
重启被关闭的服务,这个服务不会重新获得leader的角色
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