Zookeeper集群部署

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已于 2022-11-23 22:32:33 修改

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分类专栏：大数据软件安装部署文章标签： java-zookeeper zookeeper java

于 2022-11-23 22:31:48 首次发布

本文链接：https://blog.youkuaiyun.com/qq_55870278/article/details/128009211

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本文详细介绍了如何在三台机器上安装、配置Zookeeper，包括解压、环境变量设置、配置文件修改、数据目录管理以及启动与状态检查。重点在于分发文件、配置服务器节点和myid文件的设置。

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Zookeeper安装

解压

tar -zxf /usr/local/install/zookeeper-3.4.5.tar.gz -C /opt/

配置环境变量

vi /root/.bash_profile
    export ZOOKEEPER_HOME=/opt/zookeeper-3.4.5
    export PATH=$PATH:$ZOOKEEPER_HOME/bin
source /root/.bash_profile

分发

scp /root/.bash_profile slave1:/root/.bash_profile
scp /root/.bash_profile slave2:/root/.bash_profile

更改配置文件

cd conf/
mv zoo_sample.cfg zoo.cfg
vi zoo.cfg
	dataDir=/opt/apache-zookeeper-3.5.6-bin/datadir
    dataLogDir=/opt/apache-zookeeper-3.5.6-bin/log
    server.0=master:2888:3888
    server.1=slave1:2888:3888
    server.2=slave2:2888:3888

创建datadir文件加和log文件夹
- ```
mkdir datadir log
```
在datadir文件夹中创建文件myid，并配置
- ```
cd datadir/
touch myid
vi myid
	0
```

分发

scp -r /opt/zookeeper-3.4.5 slave1:/opt/
scp -r /opt/zookeeper-3.4.5 slave2:/opt/

分别修改slave1和slave2的myid文件

vi /opt/zookeeper-3.4.5/datadir/myid
	1
vi /opt/zookeeper-3.4.5/datadir/myid
	2

启动（三台机器都要启动）

#切换到bin目录下
#master
zkServer.sh start
ZooKeeper JMX enabled by default
Using config:/opt/zookeeper-3.4.5/bin/../conf/zoo.cfg
Starting zookeeper ... STARTED
#slave1
zkServer.sh start
ZooKeeper JMX enabled by default
Using config: /opt/zookeeper-3.4.5/bin/../conf/zoo.cfg
Starting zookeeper ... STARTED
#slave2
zkServer.sh start
ZooKeeper JMX enabled by default
Using config: /opt/zookeeper-3.4.5/bin/../conf/zoo.cfg
Starting zookeeper ... STARTED

查看启动状态

#master
zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /opt/zookeeper-3.4.5/bin/../conf/zoo.cfg
Client port found: 2181. Client address: localhost.
Mode: follower
#slave1
zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /opt/zookeeper-3.4.5/bin/../conf/zoo.cfg
Client port found: 2181. Client address: localhost.
Mode: leader
#slave2
zkServer.sh status
ZooKeeper JMX enabled by default
Using config: /opt//opt/zookeeper-3.4.5/bin/../conf/zoo.cfg
Client port found: 2181. Client address: localhost.
Mode: follower