mysql 多实例安装

mysql的四种启动方式: 1、mysqld启动mysql服务器:./mysqld --defaults-file=/etc/my.cnf --user=root客户端连接:mysql --defaults-file=/etc/my.cnformysql -S /tmp/mysql.sock

2、mysqld_safe启动mysql服务器:./mysqld_safe --defaults-file=/etc/my.cnf --user=root &客户端连接:mysql --defaults-file=/etc/my.cnformysql -S /tm/mysql.sock

3、mysql.servercp -v /usr/local/mysql/support-files/mysql.server /etc/init.d/chkconfig --add mysql.server 启动mysql服务器:service mysql.server {start|stop|restart|reload|force-reload|status}客户端连接:同1、2

4、mysqld_multimkdir $MYSQL_BASE/data2cat <<-EOF>> /etc/my.cnf [mysqld_multi]mysqld = /usr/local/mysql/bin/mysqld_safemysqladmin = /user/local/mysql/bin/mysqladminuser = mysqladminpassword = mysqladmin [mysqld3306]port            = 3306socket          = /tmp/mysql3306.sockpid-file = /tmp/mysql3306.pidskip-external-lockingkey_buffer_size = 16Mmax_allowed_packet = 1Mtable_open_cache = 64sort_buffer_size = 512Knet_buffer_length = 8Kread_buffer_size = 256Kread_rnd_buffer_size = 512Kmyisam_sort_buffer_size = 8Mbasedir = /usr/local/mysqldatadir = /usr/local/mysql/data [mysqld3307]port            = 3307socket          = /tmp/mysql3307.sockpid-file = /tmp/mysql3307.pidskip-external-lockingkey_buffer_size = 16Mmax_allowed_packet = 1Mtable_open_cache = 64sort_buffer_size = 512Knet_buffer_length = 8Kread_buffer_size = 256Kread_rnd_buffer_size = 512Kmyisam_sort_buffer_size = 8Mbasedir = /usr/local/mysqldatadir = /usr/local/mysql/data2EOF #mysql -S /tmp/mysql3306.sockmysql>GRANT SHUTDOWN ON *.* TO 'mysqladmin'@'localhost' identified by 'mysqladmin' with grant option; #mysql -S /tmp/mysql3307.sockmysql>GRANT SHUTDOWN ON *.* TO 'mysqladmin'@'localhost' identified by 'mysqladmin' with grant option; 启动mysql服务器:./mysqld_multi --defaults-file=/etc/my.cnf start 3306-3307关闭mysql服务器:mysqladmin shutdown
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https://www.cnblogs.com/xuchenliang/p/6843990.html