開發人員反映獵豹有個功能報500錯誤，讓我查一下服務器上有沒有做過什么調整，額，不會吧，今天元旦啊，誰會閑的蛋疼去調試服務器啊，最后他們查到了和一個表有關的sql都執行不了，

那肯定是這個表損壞了，查看數據庫：mysql> use xx_sync

Reading table information for completion of table and column names

You can turn off this feature to get a quicker startup with -A

Database changed

mysql> desc extension_1;

ERROR 145 (HY000): Table './xx_sync/extension_1' is marked as crashed and should be repaired

mysql> quit

Bye

靠，果然損壞了，修復吧，(myisamchk??-r?數據庫表MYI文件的路徑)，修復之前記得備份哦。[root@yw_db_yj xx_sync]# ./bmyisamchk -r db/xx_sync/extension_1.MYI

- recovering (with sort) MyISAM-table 'db/xx_sync/extension_1.MYI'

Data records: 101539

- Fixing index 1

myisamchk: warning: Duplicate key for record at 26664372 against record at 16160720

- Fixing index 2

Data records: 101538

myisamchk: warning: 1 records have been removed

PS：如果這樣還不行那就加-f?參數強制修復

看一下是否修復ok：[root@yw_db_yj xx_sync]# ./bin/mysql -uroot -p123456 --sock=logs/mysql.sock

Welcome to the MySQL monitor. Commands end with ; or \g.

Your MySQL connection id is 549105657

Server version: 5.5.15-log Source distribution

Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> use xx_sync

Reading table information for completion of table and column names

You can turn off this feature to get a quicker startup with -A

Database changed

mysql> desc extension_1;

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

| Field | Type | Null | Key | Default | Extra |

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

| id | int(11) | NO | PRI | NULL | auto_increment |

| passport | varchar(64) | YES | UNI | NULL | |

| content | longtext | NO | | NULL | |

| checkcode | varchar(45) | YES | | NULL | |

| createtime | int(11) | YES | | NULL | |

| updatetime | int(11) | YES | | NULL | |

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

6 rows in set (0.02 sec)

mysql> quit

Bye

總結

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