MySQL :: MySQL 5.7 Reference Manual :: 5.4.5 The Slow Query Log

MySQL :: MySQL 5.7 Reference Manual :: 5.4.5 The Slow Query Log
https://dev.mysql.com/doc/refman/5.7/en/slow-query-log.html

mysql slow log设置 | DBA的罗浮宫
http://mdba.cn/2014/10/07/mysql-slow-log设置/