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  • mysqld_multi部署mysql单机多实例

    1.安装gcc-c++、ncurses依赖包

    # yum install gcc-c++  ncurses-devel
    

    2.安装cmake,用来编译mysql

    # tar -xvf cmake-3.2.0-.tar.gz
    # mv cmake-3.2.0 cmake
    # mv cmake /tmp/
    # cd /tmp/cmake/
    # ./bootstrap
    # make
    # make install
    # cmake --version
    

    3.安装bison

    # tar -xvf bison-3.0.tar.gz
    # mv bison-3.0 bison
    # mv bison /tmp
    # cd /tmp/bison/
    # ./cofigure
    # make
    # make install
    # bison --version
    

    4.创建mysql用户

    # /usr/sbin/groupadd mysql
    # useradd -s /sbin/nologin -g  mysql -M mysql
    

    5.编译安装

    配置

    # cmake -DCMAKE_INSTALL_PREFIX=/usr/local/mysql 
    -DMYSQL_UNIX_ADDR=/tmp/mysqld.sock 
    -DDEFAULT_CHARSET=utf8 
    -DDEFAULT_COLLATION=utf8_general_ci 
    -DEXTRA_CHARSETS=all 
    -DWITH_EXTRA_CHARSETS:STRING=utf8,gbk 
    -DWITH_MYISAM_STORAGE_ENGINE=1 
    -DWITH_INNOBASE_STORAGE_ENGINE=1 
    -DENABLED_LOCAL_INFILE=1 
    -DMYSQL_TCP_PORT=3306 
    -DMYSQL_USER=mysql 
    

    生成可执行文件

    # make
    

    安装

    # make install
    

    6.创建多实例的数据文件目录

    # mkdir -p /data/{3306,3307}/data/

    7.初始化数据库,创建基础的数据库文件

    # cd /usr/local/mysql/scripts/
    #./mysql_install_db  --user=mysql --basedir=/usr/local/mysql --datadir=/data/3306/data/
    #./mysql_install_db  --user=mysql --basedir=/usr/local/mysql --datadir=/data/3307/data/
    

    8.配置多实例的文件权限
    授权mysql用户和组管理多实例目录/data

    # chown -R mysql.mysql /data
    

    9.配置多实例的配置文件

    # vim /etc/my.cnf
    [mysqld_multi]   
    mysqld     = /usr/local/mysql/bin/mysqld_safe   
    mysqladmin = /usr/local/mysql/bin/mysqladmin   
    user       = multi_admin   
    password   = multipass   
      
    [mysqld3306]   
    socket      	= /data/3306/data/mysql.sock
    port        	= 3306
    log-error   	= /data/3306/data/mysql.err  
    datadir     	= /data/3306/data/  
    pid-file     	= /data/3306/data/mysql.pid
    log-bin     	= /data/3306/data/mysql-bin
    relay_log     	= /data/3306/data/relay-bin
    slow_query_log_file 	= /data/3306/data/slowquery.log
    general_log_file     	= /data/3306/data/general.log
    user       				= mysql   
      
    [mysqld3307]   
    socket      	= /data/3307/data/mysql.sock
    port        	= 3307
    log-error   	= /data/3307/data/mysql.err  
    datadir     	= /data/3307/data/  
    pid-file     	= /data/3307/data/mysql.pid
    log-bin     	= /data/3307/data/mysql-bin
    relay_log     	= /data/3307/data/relay-bin
    slow_query_log_file 	= /data/3307/data/slowquery.log
    general_log_file     	= /data/3307/data/general.log
    user       				= mysql 
    

    10.配置mysql命令的环境变量

    # echo 'export PATH=/usr/local/mysql/bin:$PATH' >> /etc/profile
    # source /etc/profile
    

    11.启动
    查看状态

    # mysqld_multi --defaults-extra-file=/etc/my.cnf report   
    Reporting MySQL servers
    MySQL server from group: mysqld3306 is not running
    MySQL server from group: mysqld3307 is not running
    

    启动实例

    # mysqld_multi  start  
    # mysqld_multi --defaults-extra-file=/etc/my.cnf report 
    Reporting MySQL servers
    MySQL server from group: mysqld3306 is running
    MySQL server from group: mysqld3307 is running
    

    12.修改的root用户的密码并且限制只能本机登陆

    # mysqladmin -S /data/3306/data/mysql.sock -u root -h 'localhost' password 'XXXXXXXX'
    # mysqladmin -S /data/3307/data/mysql.sock -u root -h 'localhost' password 'XXXXXXXX'
    

    13.使用root用户登陆

    # mysql -S  /data/3306/data/mysql.sock -u root -p
    # mysql -S  /data/3307/data/mysql.sock -u root -p
    

    14.创建关闭实例的用户

    mysql> CREATE USER 'multi_admin'@'localhost' IDENTIFIED BY 'multipass';
    mysql> GRANT SHUTDOWN ON *.* TO 'multi_admin'@'localhost';
    

    14.停止实例
    停止所有实例

    # mysqld_multi  stop
    

    停止实例1

    # mysqld_mulit stop 3306
    

     

    管理多实例的话可以使用mysqlmanager实例管理器,管理器来会比较方面 

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  • 原文地址:https://www.cnblogs.com/abclife/p/5788078.html
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