clickhouse集群安装

环境

192.168.1.240 apm01
192.168.1.241 apm02
192.168.1.243 clickhouse02

安装JDK

在三台服务器上分别安装JDK1.8（此步骤略）

安装zookeeper

1. 下载 zookeeper-3.4.12.tar.gz 安装包，放置到上面三台服务器的/opt目录下
2. 进入到/opt目录下，解压tar包，tar -zxvf zookeeper-3.4.12.tar.gz
3. 修改目录名，mv zookeeper-3.4.12 zookeeper
4. 进入zookeeper的conf目录，拷贝zoo_sample.cfg为zoo.cfg，cp zoo_sample.cfg zoo.cfg
5. 修改zoo.cfg文件

   tickTime=2000
   initLimit=10
   syncLimit=5
   dataDir=/data/zookeeper
   dataLogDir=/data/zookeeper
   clientPort=2181
   autopurge.purgeInterval=0
   globalOutstandingLimit=200
   server.1=apm01:2888:3888
   server.2=apm02:2888:3888
   server.3=clickhouse02:2888:3888 
   

6. 设置环境变量

    export ZOOKEEPER_HOME=/opt/zookeeper
    export PATH=$PATH:$ZOOKEEPER_HOME/bin

7. 创建目录
   mkdir -p /data/zookeeper
8. 设置myid
   vim /data/zookeeper/myid #240为1，241为2，243为3
9. 启动zookeeper
   进入zookeeper的bin目录下，执行./zkServer.sh start
10. 测试zookeeper
    ./zkCli.sh -server 192.168.1.241:2181
    如果出现拒绝连接，查看防火墙是否关闭，关闭防火墙 systemctl stop firewalld 重启zookeeper

部署clickhouse

单节点安装（rpm包安装）

1. 添加clickhouse用户
   useradd clickhouse
2. 把下载好的rpm包上传到各个节点的/home/clickhouse目录下
3. 安装rpm包

rpm -ivh clickhouse-server-common-19.1.8-1.el7.x86_64.rpm 
rpm -ivh clickhouse-common-static-19.1.8-1.el7.x86_64.rpm
rpm -ivh clickhouse-server-19.1.8-1.el7.x86_64.rpm 
rpm -ivh clickhouse-client-19.1.8-1.el7.x86_64.rpm
rpm -ivh unixODBC-2.3.1-11.el7.x86_64.rpm

4. 配置/etc/clickhouse-server/config.xml

/var/log/clickhouse-server/clickhouse-server.log

/data/clickhouse/

/data/clickhouse/tmp/

/data/clickhouse/user_files/

/var/log/clickhouse-server/clickhouse-server.err.log

5. 把上述目录的用户都赋权给clickhouse
   chown -R clickhouse:clickhouse 目录
6. 启动clickhouse
   /etc/init.d/clickhouse-server start
7. 验证单节点的clickhouse
   输入clickhouse-client进入clickhouse客户端，查询system数据库中的表名

配置集群

1. 修改配置文件 vim /etc/clickhouse-server/config.xml
   打开 :: 的注释
2. 创建配置文件 vim /etc/metrika.xml

true

192.168.1.240
9000




true
192.168.1.241
9000



true

192.168.1.243
9000








192.168.1.240
2181


192.168.1.241
2181


192.168.1.243
2181




192.168.1.240



::/0




10000000000
0.01
lz4

上述配置中三个节点中不同的地方在于

192.168.1.240

改为当前节点的IP即可

3. 重启clickhouse服务

/etc/init.d/clickhouse-server restart