大表count(*) 导致宕机
对表做 select count(*) from tbname;
异常信息如下
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- 016-03-24 21:37:28 17887 [ERROR] InnoDB: Tried to read 16384 bytes at offset 50072698880. Was only able to read 8192.
- 2016-03-24 21:37:28 7faab67f6700 InnoDB: Operating system error number 11 in a file operation.
- InnoDB: Error number 11 means 'Resource temporarily unavailable'.
- InnoDB: Some operating system error numbers are described at
- InnoDB: http://dev.mysql.com/doc/refman/5.6/en/operating-system-error-codes.html
- 2016-03-24 21:37:28 7faab67f6700 InnoDB: File operation call: 'read' returned OS error 111.
- 2016-03-24 21:37:28 7faab67f6700 InnoDB: Cannot continue operation.
- pure virtual method called
- pure virtual method called
- terminate called without an active exception
- terminate called without an active exception
- 13:37:28 UTC - mysqld got signal 6 ;
-
- This could be because you hit a bug. It is also possible that this binary
ulimit -a 没超过限制
可能是表数据文件损坏，在slave上执行没有报错