使用mysqld_multi start 启动了多个mysql，但是mysqld_multi stop 却不能停止
原因：因为你还没有授权
/usr/local/mysql/bin/mysqld_multi stop
但是默认是停不掉的，需要我们做一个授权
grant shutdown on *.* to 'username'@'localhost' identified by 'password'
另外还需要在my.cnf配置文件中加上：
[mysqld_multi]
mysqld = /usr/local/mysql/bin/mysqld_safe
mysqladmin = /usr/local/mysql/bin/mysqladmin
user = username
password = password
本文转自 boy461205160 51CTO博客，原文链接:http://blog.51cto.com/461205160/1734533
