mysql> show status like 'Table%';

+----------------------------+----------+

| Variable_name        | Value |

+----------------------------+----------+

| Table_locks_immediate | 105         |

| Table_locks_waited   | 3           |

+----------------------------+----------+

 

Table_locks_immediate  指的是能夠立即獲得表級鎖的次數

Table_locks_waited  指的是不能立即獲取表級鎖而需要等待的次數

 

查看正在被鎖定的的表

show OPEN TABLES where In_use > 0;