我有多个表locked
,似乎它们正在阻止其他查询运行。什么可能导致此问题,我该如何预防?在此期间我能做些什么来释放这些locks
?我通读了 mysql 文档,但我真的不明白防止这个问题的程序是什么。
+----------+----------+--------+-------------+
| Database | Table | In_use | Name_locked |
+----------+----------+--------+-------------+
| bd1 | table1 | 0 | 0 |
| bd1 | table2 | 5 | 0 |
| bd1 | table3 | 0 | 0 |
| bd1 | table4 | 1 | 0 |
| bd1 | table5 | 0 | 0 |
| bd1 | table6 | 2 | 0 |
| bd1 | table7 | 4 | 0 |
+----------+----------+--------+-------------+
显示引擎 INNODB 状态;
---TRANSACTION A7DF86B, ACTIVE 10 sec starting index read
mysql tables in use 1, locked 1
LOCK WAIT 2 lock struct(s), heap size 376, 1 row lock(s)
MySQL thread id 170083, OS thread handle 0x15a8, query id 1780479 23.20.117.233 Server2 Updating
UPDATE table7 SET EId = 'b457200', LEd = '2013-02-19 16:03:34', ELR = 'y', LU = '2013-02-19 16:03:
34' WHERE (ObKey = '79321fc7b5ac')