MySQL的编译安装及多实例配置总结
2019-04-29 06:24
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编译安装MySQL+多实例
编译安装MySQL
编译环境 | MySQL版本 |
---|---|
CentOS 7.6 | mariadb-10.2.23 |
一、安装编译所需要的包
yum install bison bison-devel zlib-devel libcurl-devel libarchive-devel boostdevel gcc gcc-c++ cmake ncurses-devel gnutls-devel libxml2-devel openssldevel libevent-devel libaio-devel -y
二、添加MySQL用户及其家目录
1.添加MySQL用户
[root@localhost ~]# useradd -r -s /sbin/nologin -d /data/mysql mysql
2.为MySQL用户添加家目录
[root@localhost ~]# chmod 700 /data/mysql [root@localhost ~]# chown mysql.mysql /data/mysql
三、编译安装MySQL
1.解压MySQL安装包
[root@localhost ~]# tar -xf mariadb-10.2.23.tar.gz
2.编译安装MySQL
此处需要注意如果编译时中间如果出现缺包的错误,需要将此目录下的CMakeCache.txt删除后重新进行编译。
[root@localhost ~]# cmake . \ -DCMAKE_INSTALL_PREFIX=/app/mysql \ -DMYSQL_DATADIR=/data/mysql/ \ -DSYSCONFDIR=/etc/mysql \ -DMYSQL_USER=mysql \ -DWITH_INNOBASE_STORAGE_ENGINE=1 \ -DWITH_ARCHIVE_STORAGE_ENGINE=1 \ -DWITH_BLACKHOLE_STORAGE_ENGINE=1 \ -DWITH_PARTITION_STORAGE_ENGINE=1 \ -DWITHOUT_MROONGA_STORAGE_ENGINE=1 \ -DWITH_DEBUG=0 \ -DWITH_READLINE=1 \ -DWITH_SSL=system \ -DWITH_ZLIB=system \ -DWITH_LIBWRAP=0 \ -DENABLED_LOCAL_INFILE=1 \ -DMYSQL_UNIX_ADDR=/data/mysql/mysql.sock \ -DDEFAULT_CHARSET=utf8 \ -DDEFAULT_COLLATION=utf8_general_ci [root@localhost mariadb-10.2.23]# make && make install
3.创建数据库
[root@localhost mariadb-10.2.23]# cd /app/mysql/ [root@localhost mysql]# scripts/mysql_install_db --user=mysql --datadir=/data/mysql Installing MariaDB/MySQL system tables in '/data/mysql' ... OK
4.放置配置文件并修改
[root@localhost mysql]# cp support-files/my-huge.cnf /etc/mysql/my.cnf [root@localhost mysql]# sed -i '/\[mysqld\]/adatadir=/data/mysql' /etc/mysql/my.cnf
5.配置服务启动脚本
[root@localhost mysql]# chkconfig --add mysqld
6.启动服务
[root@localhost mysql]# service mysqld start Starting mysqld (via systemctl): [ OK ]
7.为MySQL添加环境变量
[root@localhost mysql]# echo 'PATH=/app/mysql/bin:$PATH' > /etc/profile.d/mysql.sh [root@localhost mysql]# . /etc/profile.d/mysql.sh
MySQL的多实例环境搭建
在测试环境中通常会需要在一台主机上搭建多个版本的MySQL,此处演示如何搭建多实例的MySQL。
一、为每个实例创建各自的目录并赋予权限(此处以创建2个实例为例)
[root@localhost /]# mkdir -pv /mysql/{3306,3307}/{data,etc,socket,bin,log,pid} [root@localhost ~]# chown -R mysql.mysql /mysql [root@localhost ~]# tree /mysql #查看下目录结构 /mysql ├── 3306 │ ├── bin │ ├── data │ ├── etc │ ├── log │ ├── pid │ └── socket └── 3307 ├── bin ├── data ├── etc ├── log ├── pid └── socket
二、为每个实例创建数据库文件
[root@localhost /]# /app/mysql/scripts/mysql_install_db --user=mysql --datadir=/mysql/3306/data [root@localhost /]# /app/mysql/scripts/mysql_install_db --user=mysql --datadir=/mysql/3307/data
三、为每个实例创建配置文件
配置文件可以参考/etc/my.cnf进行修改
[root@localhost /]# cp /etc/my.cnf /mysql/3306/etc/my.cnf [root@localhost /]# vim /mysql/3306/etc/my.cnf #修改my.cnf,写入配置 [mysqld] #注意需要将#!includedir /etc/my.cnf.d注释 port=3306 datadir=/mysql/3306/data socket=/mysql/3306/socket/mysql.sock symbolic-links=0 [mysqld_safe] log-error=/mysql/3306/log/mariadb.log pid-file=/mysql/3306/pid/mariadb.pid [root@localhost /]# cp /mysql/3306/etc/my.cnf /mysql/3307/etc/ [root@localhost /]# sed -i 's/3306/3307/' /mysql/3307/etc/my.cnf
四、为实例添加服务脚本
1.此为事先准备好的服务脚本
#!/bin/bash port=3306 mysql_user="root" mysql_pwd="" cmd_path="/usr/bin" mysql_basedir="/mysql" mysql_sock="${mysql_basedir}/${port}/socket/mysql.sock" function_start_mysql() { if [ ! -e "$mysql_sock" ];then printf "Starting MySQL...\n" ${cmd_path}/mysqld_safe --defaults-file=${mysql_basedir}/${port}/etc/my.cnf &> /dev/null & else printf "MySQL is running...\n" exit fi } function_stop_mysql() { if [ ! -e "$mysql_sock" ];then printf "MySQL is stopped...\n" exit else printf "Stoping MySQL...\n" ${cmd_path}/mysqladmin -u ${mysql_user} -p${mysql_pwd} -S ${mysql_sock} shutdown fi } function_restart_mysql() { printf "Restarting MySQL...\n" function_stop_mysql sleep 2 function_start_mysql } case $1 in start) function_start_mysql ;; stop) function_stop_mysql ;; restart) function_restart_mysql ;; *) printf "Usage: ${mysql_basedir}/${port}/bin/mysqld {start|stop|restart}\n" esac
2.将服务启动脚本存放至各实例的bin目录下,并加以修改
[root@localhost /]# vim /mysql/3306/bin/mysqld #对端口和cmd_path进行修改 port=3306 cmd_path="/app/mysql/bin" [root@localhost /]# vim /mysql/3307/bin/mysqld #对端口和cmd_path进行修改 port=3307 cmd_path="/app/mysql/bin" [root@localhost /]# chmod +x /mysql/3306/bin/mysqld #为服务脚本添加执行权限 [root@localhost /]# chmod +x /mysql/3307/bin/mysqld
3.关闭编译安装的MySQL服务
[root@localhost /]# ss -tnl |grep 3306 LISTEN 0 80 :::3306 :::* [root@localhost /]# service mysqld stop Stopping mysqld (via systemctl): [ OK ]
4.启动实例1,2
[root@localhost /]# /mysql/3306/bin/mysqld start Starting MySQL... [root@localhost /]# /mysql/3307/bin/mysqld start Starting MySQL... [root@localhost /]# ss -tnl | grep 3306 LISTEN 0 80 :::3306 :::* [root@localhost /]# ss -tnl | grep 3307 LISTEN 0 80 :::3307 :::*
5.连接数据库
客户端在连接多实例的MySQL时,需要指定端口号和socket文件路径否则报错。
[root@localhost /]# mysql -uroot -p -P3306 -S /mysql/3306/socket/mysql.sock Enter password: Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 8 Server version: 10.2.23-MariaDB Source distribution Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
6.关闭多实例MySQL服务
多实例的MySQL服务在关闭时需要输入MySQL管理员的密码,也可以将管理员密码存放在配置文件的变量mysql_pwd=""中
[root@localhost /]# /mysql/3306/bin/mysqld stop Stoping MySQL... Enter password:
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