MySQL多次崩溃

Question

我有一个不断崩溃的MySQL数据库。我不是MySQL专家（甚至业余），不知道什么是错的。你能帮我吗？这是从错误日志：

2017-02-22T08:12:11.693717Z 0 [Warning] Changed limits: max_open_files: 1024 (requested 5000) 
2017-02-22T08:12:11.693807Z 0 [Warning] Changed limits: table_open_cache: 431 (requested 2000) 
2017-02-22T08:12:11.856081Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp serv$ 
2017-02-22T08:12:11.858080Z 0 [Note] /usr/sbin/mysqld (mysqld 5.7.17-0ubuntu0.16.04.1) starting as process 3034 ... 
2017-02-22T08:12:11.862156Z 0 [Note] InnoDB: PUNCH HOLE support available 
2017-02-22T08:12:11.862178Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins 
2017-02-22T08:12:11.862187Z 0 [Note] InnoDB: Uses event mutexes 
2017-02-22T08:12:11.862193Z 0 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier 
2017-02-22T08:12:11.862198Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.8 
2017-02-22T08:12:11.862203Z 0 [Note] InnoDB: Using Linux native AIO 
2017-02-22T08:12:11.862437Z 0 [Note] InnoDB: Number of pools: 1 
2017-02-22T08:12:11.862551Z 0 [Note] InnoDB: Using CPU crc32 instructions 
2017-02-22T08:12:11.864011Z 0 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M 
2017-02-22T08:12:11.864045Z 0 [ERROR] InnoDB: mmap(137428992 bytes) failed; errno 12 
2017-02-22T08:12:11.864057Z 0 [ERROR] InnoDB: Cannot allocate memory for the buffer pool 
2017-02-22T08:12:11.864064Z 0 [ERROR] InnoDB: Plugin initialization aborted with error Generic error 
2017-02-22T08:12:11.864070Z 0 [ERROR] Plugin 'InnoDB' init function returned error. 
2017-02-22T08:12:11.864074Z 0 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed. 
2017-02-22T08:12:11.864079Z 0 [ERROR] Failed to initialize plugins. 
2017-02-22T08:12:11.864082Z 0 [ERROR] Aborting 

2017-02-22T08:12:11.864088Z 0 [Note] Binlog end 
2017-02-22T08:12:11.864133Z 0 [Note] Shutting down plugin 'MyISAM' 
2017-02-22T08:12:11.864144Z 0 [Note] Shutting down plugin 'CSV' 
2017-02-22T08:12:11.864369Z 0 [Note] /usr/sbin/mysqld: Shutdown complete 

Answer 1

它只是运行的空间。增加服务器，现在运行