Question

我有一个VPS，今天，mysql服务停止了，错误是

140821  2:35:21 [Warning] Using unique option prefix myisam-recover instead of myisam-recover-options is deprecated and will be removed in a future release. Please use the full name instead.
140821  2:35:21 [Note] Plugin 'FEDERATED' is disabled.
140821  2:35:21 InnoDB: The InnoDB memory heap is disabled
140821  2:35:21 InnoDB: Mutexes and rw_locks use GCC atomic builtins
140821  2:35:21 InnoDB: Compressed tables use zlib 1.2.8
140821  2:35:21 InnoDB: Using Linux native AIO
140821  2:35:21 InnoDB: Initializing buffer pool, size = 128.0M
InnoDB: mmap(137363456 bytes) failed; errno 12
140821  2:35:21 InnoDB: Completed initialization of buffer pool
140821  2:35:21 InnoDB: Fatal error: cannot allocate memory for the buffer pool
140821  2:35:21 [ERROR] Plugin 'InnoDB' init function returned error.
140821  2:35:21 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
140821  2:35:21 [ERROR] Unknown/unsupported storage engine: InnoDB
140821  2:35:21 [ERROR] Aborting

140821  2:35:21 [Note] /usr/sbin/mysqld: Shutdown complete

140821  2:35:22 [Warning] Using unique option prefix myisam-recover instead of myisam-recover-options is deprecated and will be removed in a future release. Please use the full name instead.
140821  2:35:22 [Note] Plugin 'FEDERATED' is disabled.
140821  2:35:22 InnoDB: The InnoDB memory heap is disabled
140821  2:35:22 InnoDB: Mutexes and rw_locks use GCC atomic builtins
140821  2:35:22 InnoDB: Compressed tables use zlib 1.2.8
140821  2:35:22 InnoDB: Using Linux native AIO
140821  2:35:22 InnoDB: Initializing buffer pool, size = 128.0M
InnoDB: mmap(137363456 bytes) failed; errno 12
140821  2:35:22 InnoDB: Completed initialization of buffer pool
140821  2:35:22 InnoDB: Fatal error: cannot allocate memory for the buffer pool
140821  2:35:22 [ERROR] Plugin 'InnoDB' init function returned error.
140821  2:35:22 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
140821  2:35:22 [ERROR] Unknown/unsupported storage engine: InnoDB
140821  2:35:22 [ERROR] Aborting

140821  2:35:22 [Note] /usr/sbin/mysqld: Shutdown complete

对此有何解释？

Answer 1

由于您的内存分配限制而出现错误。它可以称为Out of memory exception。如果内存使用率很高，它可能再次出现。

如您所见，InnoDB缓冲池大小设置为128MB。

更改缓冲池大小以避免再次出错;

将此添加到您的my.cnf

innodb_buffer_pool_size=1G

重新启动你的mysql以使其生效

mysql意外停止了，原因是什么？

1 个答案: