Shulou(Shulou.com)06/01 Report--

Start the mysql database after installing mysql

Error

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]

View error log

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

It's judged to be a memory problem.

Modify the memory size of buffer pool

Innodb_buffer_pool_size=8M

Restart the database, you can start normally

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