锁表查询

show innodbstatus\G;

show variables like '%timeout%';

show status like '%lock%';

show status like 'Table%';

Table_locks_immediate  指的是能够立即获得表级锁的次数

Table_locks_waited  指的是不能立即获取表级锁而需要等待的次数

 

当前锁表状态

show OPEN TABLES where In_use > 0;

查询表被锁进程

show processlist;

查看正在锁的事物:

SELECT * FROM INFORMATION_SCHEMA.INNODB_LOCKS;

查看等待锁的事物:

SELECT * FROM INFORMATION_SCHEMA.INNODB_LOCK_WAITS;

当前运行的所有事务:

SELECT * FROM INFORMATION_SCHEMA.INNODB_TRX;

 

posted @ 2019-07-18 14:30  wanhua.wu  阅读(306)  评论(0编辑  收藏  举报