Zookeeper集群安装和基础配置-优快云博客

本文链接：https://blog.youkuaiyun.com/xiaosssssaa/article/details/112672411

本文档详细介绍了在三台机器上安装Zookeeper 3.5.8集群的步骤，包括环境配置、端口设定、基础配置、启动脚本创建、防火墙规则设置等。每台机器上都要安装相同的JDK 1.8和Zookeeper，并且配置不同的服务器节点ID和监听端口。通过这些配置，可以实现Zookeeper集群的正常运行和开机自启。

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Zookeeper集群安装和基础配置

zookeeper官网(三台机器做相同操作，同一机器安装集群端口需要不相同)

https://zookeeper.apache.org/
安装环境

部署ip 部署软件开放端口
192.168.199.10 jdk1.8、zookeeper-3.5.8 2181/2182/2183
192.168.199.11 jdk1.8、zookeeper-3.5.8 2181/2182/2183
192.168.199.12 jdk1.8、zookeeper-3.5.8 2181/2182/2183

部署ip	部署软件	开放端口
192.168.199.10	jdk1.8、zookeeper-3.5.8	2181/2182/2183
192.168.199.11	jdk1.8、zookeeper-3.5.8	2181/2182/2183
192.168.199.12	jdk1.8、zookeeper-3.5.8	2181/2182/2183

依赖环境安装

tar -zxvf jdk-8u211-linux-x64.tar.gz
mv jdk1.8.0_211 /opt/
vi  /etc/profile
#根据实际情况修改JAVA_HOME
export JAVA_HOME=/opt/jdk1.8.0_211
export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export PATH=$PATH:$JAVA_HOME/bin
source /etc/profile
#测试
java -version

zookeeper安装

mkdir -p /data/zookeeper
tar zxvf apache-zookeeper-3.5.8-bin.tar.gz
mv apache-zookeeper-3.5.8-bin /data/zookeeper/zookeeper-3.5.8
mkdir -p /data/zookeeper/zookeeper-3.5.8/{data,logs}

基础配置

vim /data/zookeeper/zookeeper-3.5.8/conf/zoo.cfg

tickTime=2000
initLimit=10
syncLimit=5
dataDir=/data/zookeeper/zookeeper-3.5.8/data
dataLogDir=/data/zookeeper/zookeeper-3.5.8/logs
clientPort=2181
server.1=192.168.199.10:2182:2183
server.2=192.168.199.11:2182:2183
server.3=192.168.199.12:2182:2183

<!-- 192.168.199.10 -->
echo 1 > /data/zookeeper/zookeeper-3.5.8/data/myid
<!-- 192.168.199.11 -->
echo 2 > /data/zookeeper/zookeeper-3.5.8/data/myid
<!-- 192.168.199.12 -->
echo 3 > /data/zookeeper/zookeeper-3.5.8/data/myid

配置启动脚本

vim /usr/lib/systemd/system/zookeeper.service

[Unit]
Description=zookeeper
After=network.target remote-fs.target nss-lookup.target
[Service]
Type=forking
ExecStart=/data/zookeeper/zookeeper-3.5.8/bin/zkServer.sh start
ExecReload=/data/zookeeper/zookeeper-3.5.8/bin/zkServer.sh restart
ExecStop=/data/zookeeper/zookeeper-3.5.8/bin/zkServer.sh stop
[Install]
WantedBy=multi-user.target

systemctl daemon-reload

开机自启动设置

# 加入开机启动
systemctl daemon-reload
systemctl enable zookeeper
# 查看开机是否启动成功
systemctl is-enabled zookeeper
# 启动服务
systemctl start zookeeper
# 停止服务
systemctl stop zookeeper

防火墙开放端口（三台机器都放行端口）

firewall-cmd --zone=public --add-port=2181/tcp --permanent
firewall-cmd --zone=public --add-port=2182/tcp --permanent
firewall-cmd --zone=public --add-port=2183/tcp --permanent
firewall-cmd --reload
setenforce 0