InnoDB: Cannot allocate memory for the buffer pool

[John Stanley]

Hello,

Please help me. My MySQL server is down and getting below error in the MySQL error logs.


2018-07-16 4:18:25 140059969853696 [Note] InnoDB: Initializing buffer pool, size = 2.0G
InnoDB: mmap(2249195520 bytes) failed; errno 12
2018-07-16 4:18:25 140059969853696 [ERROR] InnoDB: Cannot allocate memory for the buffer pool
2018-07-16 4:18:25 140059969853696 [ERROR] Plugin 'InnoDB' init function returned error.
2018-07-16 4:18:25 140059969853696 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
2018-07-16 4:18:25 140059969853696 [Note] Plugin 'FEEDBACK' is disabled.
2018-07-16 4:18:25 140059969853696 [ERROR] Unknown/unsupported storage engine: innodb
2018-07-16 4:18:25 140059969853696 [ERROR] Aborting