相关疑难解决方法(0)

我在myISAM中拥有了所有表,但是当我长时间运行更新作业时,表级锁定开始杀了我.我将我的主表转换为InnoDB,现在我的许多查询都需要花费1分钟才能完成,这些查询几乎是在myISAM上完成的.他们通常陷入困境Sorting result.我做错什么了吗？

例如 :

SELECT * FROM `metaward_achiever` 
 INNER JOIN `metaward_alias` ON (`metaward_achiever`.`alias_id` = `metaward_alias`.`id`) 
 WHERE `metaward_achiever`.`award_id` = 1507  
 ORDER BY `metaward_achiever`.`modified` DESC 
 LIMIT 100  

现在大约需要90秒.这是描述:

+----+-------------+-------------------+--------+-------------------------------------------------------+----------------------------+---------+---------------------------------+-------+-----------------------------+
| id | select_type | table             | type   | possible_keys                                         | key                        | key_len | ref                             | rows  | Extra                       |
+----+-------------+-------------------+--------+-------------------------------------------------------+----------------------------+---------+---------------------------------+-------+-----------------------------+
|  1 | SIMPLE      | metaward_achiever | ref    | metaward_achiever_award_id,metaward_achiever_alias_id | metaward_achiever_award_id | 4       | const                           | 66424 | Using where; Using filesort | 
|  1 | SIMPLE      | …