Zookeeper集群部署

kafka dubbo（生产者、消费者、dubbo-admin）--》Zookeeper

104、105和106

安装软件包

apt install openjdk-8-jdk lrzsz -y

上传软件包:zookeeper-3.4.14.tar.gz

cd /usr/local/src
#解压缩
tar xvf zookeeper-3.4.14.tar.gz
#软链接、方便以后升级
ln -sv /usr/local/src/zookeeper-3.4.14 /usr/local/zookeeper

#创建数据目录
mkdir /usr/local/zookeeper/data

104

cd /usr/local/zookeeper

#当前所在目录
pwd
/usr/local/zookeeper

cd conf/
#拷贝文件
cp zoo_sample.cfg zoo.cfg

#修改并添加以下配置
vim zoo.cfg
...
dataDir=/usr/local/zookeeper/data
maxClientCnxns=4096
server.1=192.168.37.104:2888:3888
server.2=192.168.37.105:2888:3888
server.3=192.168.37.106:2888:3888

echo "1" > /usr/local/zookeeper/data/myid

105

echo "2" > /usr/local/zookeeper/data/myid

106

echo "3" > /usr/local/zookeeper/data/myid

104

拷贝文件

scp zoo.cfg 192.168.37.105:/usr/local/zookeeper/conf
scp zoo.cfg 192.168.37.106:/usr/local/zookeeper/conf

104、105和106

启动

cd /usr/local/zookeeper/bin/

/usr/local/zookeeper/bin/zkServer.sh start

104、105和106

两个follower、一个leader、如果把106停掉、那就是104和105中【一个follower、一个leader】

#104和105状态
/usr/local/zookeeper/bin/zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /usr/local/zookeeper/bin/../conf/zoo.cfg
Mode: follower    <--

#106状态
/usr/local/zookeeper/bin/zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /usr/local/zookeeper/bin/../conf/zoo.cfg
Mode: leader    <--