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mysql老是经常自动挂掉,求军哥指导一下,谢谢啦

mysql老是经常自动挂掉,求军哥指导一下,谢谢啦

这是日志:171013 18:20:58 [Note] Plugin 'FEDERATED' is disabled.
171013 18:20:58 InnoDB: The InnoDB memory heap is disabled
171013 18:20:58 InnoDB: Mutexes and rw_locks use GCC atomic builtins
171013 18:20:58 InnoDB: Compressed tables use zlib 1.2.3
171013 18:20:58 InnoDB: Initializing buffer pool, size = 256.0M
InnoDB: mmap(274726912 bytes) failed; errno 12
171013 18:20:58 InnoDB: Completed initialization of buffer pool
171013 18:20:58 InnoDB: Fatal error: cannot allocate memory for the buffer pool
171013 18:20:58 [ERROR] Plugin 'InnoDB' init function returned error.
171013 18:20:58 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
171013 18:20:58 [ERROR] Unknown/unsupported storage engine: InnoDB
171013 18:20:58 [ERROR] Aborting


求军哥帮忙看看,麻烦啦,先谢谢军哥啦

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