mysql查看锁表情况

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;