安装完mysql 启动mysql 数据库
报错
Starting MySQL.The server quit without updating PID file (/app/mysql/mysql/data/mysqld.pid).[FAILED]Starting MySQL.The server quit without updating PID file (/app/mysql/mysql/data/mysqld.pid).[FAILED]
查看报错日志
2017-07-11T02:23:04.368749Z 0 [ERROR] InnoDB: mmap(137428992 bytes) failed; errno 12
2017-07-11T02:23:04.368761Z 0 [ERROR] InnoDB: Cannot allocate memory for the buffer pool
2017-07-11T02:23:04.368767Z 0 [ERROR] InnoDB: Plugin initialization aborted with error Generic error
2017-07-11T02:23:04.368775Z 0 [ERROR] Plugin 'InnoDB' init function returned error.
2017-07-11T02:23:04.368779Z 0 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
2017-07-11T02:23:04.368784Z 0 [ERROR] Failed to initialize plugins.
2017-07-11T02:23:04.368788Z 0 [ERROR] Aborting
判断是 内存问题
修改 buffer pool 的内存大小
innodb_buffer_pool_size=8M
重启数据库，可以正常启动了
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