求高手帮我分析下mysql错误日志,经常崩毁

[wwminglive]

Version: '5.6.30' socket: '/alidata/redmine/mysql/tmp/mysql.sock' port: 3306 MySQL Community Server (GPL)
180305 09:43:10 mysqld_safe Number of processes running now: 0
180305 09:43:10 mysqld_safe mysqld restarted
2018-03-05 09:43:11 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2018-03-05 09:43:11 0 [Note] /alidata/redmine/mysql/bin/mysqld.bin (mysqld 5.6.30) starting as process 29340 ...
2018-03-05 09:43:12 29340 [Note] Plugin 'FEDERATED' is disabled.
2018-03-05 09:43:12 29340 [Note] InnoDB: Using atomics to ref count buffer pool pages
2018-03-05 09:43:12 29340 [Note] InnoDB: The InnoDB memory heap is disabled
2018-03-05 09:43:12 29340 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2018-03-05 09:43:12 29340 [Note] InnoDB: Memory barrier is not used
2018-03-05 09:43:12 29340 [Note] InnoDB: Compressed tables use zlib 1.2.3
2018-03-05 09:43:12 29340 [Note] InnoDB: Using Linux native AIO
2018-03-05 09:43:12 29340 [Note] InnoDB: Using CPU crc32 instructions
2018-03-05 09:43:12 29340 [Note] InnoDB: Initializing buffer pool, size = 128.0M
InnoDB: mmap(137363456 bytes) failed; errno 12
2018-03-05 09:43:12 29340 [ERROR] InnoDB: Cannot allocate memory for the buffer pool
2018-03-05 09:43:12 29340 [ERROR] Plugin 'InnoDB' init function returned error.
2018-03-05 09:43:12 29340 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
2018-03-05 09:43:12 29340 [ERROR] Unknown/unsupported storage engine: InnoDB
2018-03-05 09:43:12 29340 [ERROR] Aborting

2018-03-05 09:43:12 29340 [Note] Binlog end
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'partition'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'PERFORMANCE_SCHEMA'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'BLACKHOLE'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_SYS_DATAFILES'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_SYS_TABLESPACES'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN_COLS'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_SYS_FIELDS'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_SYS_COLUMNS'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_SYS_INDEXES'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_SYS_TABLESTATS'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_SYS_TABLES'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_FT_INDEX_TABLE'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_FT_INDEX_CACHE'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_FT_CONFIG'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_FT_BEING_DELETED'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_FT_DELETED'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_FT_DEFAULT_STOPWORD'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_METRICS'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_BUFFER_POOL_STATS'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE_LRU'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX_RESET'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_CMPMEM_RESET'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_CMPMEM'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_CMP_RESET'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_CMP'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_LOCK_WAITS'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_LOCKS'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'INNODB_TRX'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'ARCHIVE'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'MyISAM'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'CSV'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'MRG_MYISAM'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'MEMORY'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'sha256_password'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'mysql_old_password'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'mysql_native_password'
2018-03-05 09:43:12 29340 [Note] Shutting down plugin 'binlog'
2018-03-05 09:43:12 29340 [Note] /alidata/redmine/mysql/bin/mysqld.bin: Shutdown complete

[kampoo]

从日志看是内存不足，出现这个错误的原因可能跟物理内存大小相关、也可能跟mysql内存相关的其他参数有关，请仔细检查下mysql的设置。

[Rotel-刘志东]

innodb_buffer_pool_size分配多大，给系统留有剩余内存。