~~~ mysql> show status like 'Table%'; +----------------------------+----------+ | Variable_name        | Value | +----------------------------+----------+ | Table_locks_immediate | 105         | | Table_locks_waited   | 3           | +----------------------------+----------+ ~~~ 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 ### 查看正在被锁定的的表 `show OPEN TABLES where In_use > 0;`