- 可以通过检查table_locks_waited和table_locks_immediate状态变量来分析系统上的表锁定争夺
- 如果table_locks_waited值比较高,则说明表级锁争用比较严重
mysql> show status like 'table%';
+-----------------------+---------+
| Variable_name | Value |
+-----------------------+---------+
| Table_locks_immediate | 3544190 |
| Table_locks_waited | 0 |
+-----------------------+---------+
2 rows in set (0.00 sec)