Ubuntu 20.04 安装zookeeper 3.5.9 集群

安装zookeeper的三台机器分别为vm-10、vm-11、vm-12，已设置相应host文件。

1、下载zookeeper 3.5.9

cd /usr/local/src/
sudo wget https://archive.apache.org/dist/zookeeper/zookeeper-3.5.9/apache-zookeeper-3.5.9-bin.tar.gz

2、解压

sudo tar -zxvf /usr/local/src/apache-zookeeper-3.5.9-bin.tar.gz -C /usr/local/

创建存储、日志文件夹

mkdir /usr/local/src/apache-zookeeper-3.5.9-bin/data
mkdir /usr/local/src/apache-zookeeper-3.5.9-bin/logs

3、设置配置文件
(1)复制一份默认配置，改为zoo.cfg

cp /usr/local/apache-zookeeper-3.5.9-bin/conf/zoo_sample.cfg /usr/local/apache-zookeeper-3.5.9-bin/conf/zoo.cfg

(2)修改zoo.cfg

vi /usr/local/apache-zookeeper-3.5.9-bin/conf/zoo.cfg

修改、添加配置

dataDir=/usr/local/apache-zookeeper-3.5.9-bin/data
dataLogDir=/usr/local/apache-zookeeper-3.5.9-bin/logs
#格式server.id,2888端口：集群内机器通讯使用（Leader监听此端口）,3888端口：选举leader使用
server.1=vm-10:2888:3888
server.2=vm-11:2888:3888
server.3=vm-12:2888:3888

4、data目录下创建myid文件，myid文件中内容为当前server的id

touch /usr/local/src/apache-zookeeper-3.5.9-bin/data/myid
echo 1 > /usr/local/src/apache-zookeeper-3.5.9-bin/data/myid

5、每台机器逐一启动zookeeper

/usr/local/src/apache-zookeeper-3.5.9-bin/bin/zkServer.sh start

查看状态

/usr/local/apache-zookeeper-3.5.9-bin/bin/zkServer.sh status

vm-10:

hadoop@vm-10:~$ /usr/local/apache-zookeeper-3.5.9-bin/bin/zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /usr/local/apache-zookeeper-3.5.9-bin/bin/../conf/zoo.cfg
Client port found: 2181. Client address: localhost. Client SSL: false.
Mode: follower

vm-11:

hadoop@vm-11:~$ /usr/local/apache-zookeeper-3.5.9-bin/bin/zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /usr/local/apache-zookeeper-3.5.9-bin/bin/../conf/zoo.cfg
Client port found: 2181. Client address: localhost. Client SSL: false.
Mode: leader

vm-12:

hadoop@vm-12:~$ /usr/local/apache-zookeeper-3.5.9-bin/bin/zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /usr/local/apache-zookeeper-3.5.9-bin/bin/../conf/zoo.cfg
Client port found: 2181. Client address: localhost. Client SSL: false.
Mode: follower

可以看到vm-11这台主机被选举为leader，其他两台为follower。

 

Tags：zookeeper

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