MySQL ERROR 1878 解决办法

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已经匿名di用户   2022-5-29 19:29   2672   0

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MySQL ERROR 1878报错解决办法

错误重现

Part1:大表修改字段

mysql> ALTER TABLE `erp`

-> ADD COLUMN `eas_status` tinyint(3) unsigned NOT NULL DEFAULT 0 ' AFTER `totalprice`;

ERROR 1878 (HY000): Temporary file write failure.

mysql> \q

这里可以看到,添加字段的时候爆出了1878错误。



Part2:排错过程

先看数据库的error日志

2016-10-27 10:19:22 7f5dca1bf700 InnoDB: Error: Write to file (merge) failed at offset 258998272.
InnoDB: 1048576 bytes should have been written, only 651264 were written.
InnoDB: Operating system error number 0.
InnoDB: Check that your OS and file system support files of this size.
InnoDB: Check also that the disk is not full or a disk quota exceeded.
InnoDB: Error number 0 means 'Success'.
InnoDB: Some operating system error numbers are described at
InnoDB: http://dev.mysql.com/doc/refman/5.6/en/operating-system-error-codes.html
2016-10-27 10:35:34 7f5dcb42f700 InnoDB: Error: Write to file (merge) failed at offset 88080384.
InnoDB: 1048576 bytes should have been written, only 782336 were written.
InnoDB: Operating system error number 0.
InnoDB: Check that your OS and file system support files of this size.
InnoDB: Check also that the disk is not full or a disk quota exceeded.
InnoDB: Error number 0 means 'Success'.
InnoDB: Some operating system error numbers are described at
InnoDB: http://dev.mysql.com/doc/refman/5.6/en/operating-system-error-codes.html
2016-10-27 10:37:02 7f5dd0076700 InnoDB: Error: Write to file (merge) failed at offset 88080384.
InnoDB: 1048576 bytes should have been written, only 770048 were written.
InnoDB: Operating system error number 0.
InnoDB: Check that your OS and file system support files of this size.
InnoDB: Check also that the disk is not full or a disk quota exceeded.
InnoDB: Error number 0 means 'Success'.
InnoDB: Some operating system error numbers are described at
InnoDB: http://dev.mysql.com/doc/refman/5.6/en/operating-system-error-codes.html


查看错误日志可以看到磁盘空间不足



Part3:验证

[root@HE3 helei]# df -h

Filesystem Size Used Avail Use% Mounted on

/dev/mapper/VolGroup-lv_root

45G 43G 160M 100% /

tmpfs 7.9G 1.2M 7.9G 1% /dev/shm

/dev/sda1 477M 90M 358M 21% /boot

可以看到磁盘空间不够了,需要释放磁盘空间,


——总结——

原因是mysql的tmpdir分区的剩余空间大小没有erp大。 mysqlalter table时需要的临时空间要比该表才行。由于笔者的水平有限,编写时间也很仓促,文中难免会出现一些错误或者不准确的地方,不妥之处恳请读者批评指正。



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