MySQL 报错InnoDB: Cannot allocate memory for the buffer poo处理方法

hellocgb

于 2019-05-27 17:04:48 发布

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分类专栏： MySQL 文章标签： MySQL Linux swap

本文链接：https://blog.youkuaiyun.com/u013083541/article/details/90606816

MySQL 报错InnoDB: mmap(**bytes) failed; errno 12 Cannot allocate memory for the buffer poo处理方法

2019-04-24T06:53:57.726704Z 0 [ERROR] InnoDB: mmap(137428992 bytes) failed; errno 12
2019-04-24T06:53:57.726719Z 0 [ERROR] InnoDB: Cannot allocate memory for the buffer pool
2019-04-24T06:53:57.726727Z 0 [ERROR] InnoDB: Plugin initialization aborted with error Generic error
2019-04-24T06:53:57.726733Z 0 [ERROR] Plugin 'InnoDB' init function returned error.
2019-04-24T06:53:57.726737Z 0 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
2019-04-24T06:53:57.726741Z 0 [ERROR] Failed to initialize builtin plugins.

原来是无法给innodb分配足够的内存
free -m 查看服务器内存使用情况：

        	  total        used        free      shared  buff/cache   available
Mem:           1838         773          83         110         981         748
Swap:            0