mysql 连接失败的问题，请大佬帮忙看看

bipeng0405

最近网站经常出现数据库连接失败的问题，日志如下：

1. 190419  0:35:04 [Note] Plugin 'FEDERATED' is disabled.
   
2. 190419  0:35:04 InnoDB: The InnoDB memory heap is disabled
   
3. 190419  0:35:04 InnoDB: Mutexes and rw_locks use GCC atomic builtins
   
4. 190419  0:35:04 InnoDB: Compressed tables use zlib 1.2.7
   
5. 190419  0:35:04 InnoDB: Using Linux native AIO
   
6. 190419  0:35:04 InnoDB: Initializing buffer pool, size = 1.0G
   
7. InnoDB: mmap(1098907648 bytes) failed; errno 12
   
8. 190419  0:35:04 InnoDB: Completed initialization of buffer pool
   
9. 190419  0:35:04 InnoDB: Fatal error: cannot allocate memory for the buffer pool
   
10. 190419  0:35:04 [ERROR] Plugin 'InnoDB' init function returned error.
    
11. 190419  0:35:04 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
    
12. 190419  0:35:04 [ERROR] Unknown/unsupported storage engine: InnoDB
    
13. 190419  0:35:04 [ERROR] Aborting
    
14. 
    
15. 190419  0:35:04 [Note] /usr/local/mysql/bin/mysqld: Shutdown complete
    
16. 
    
17. 190419  0:35:51 [Note] Plugin 'FEDERATED' is disabled.
    
18. 190419  0:35:51 InnoDB: The InnoDB memory heap is disabled
    
19. 190419  0:35:51 InnoDB: Mutexes and rw_locks use GCC atomic builtins
    
20. 190419  0:35:51 InnoDB: Compressed tables use zlib 1.2.7
    
21. 190419  0:35:51 InnoDB: Using Linux native AIO
    
22. 190419  0:35:51 InnoDB: Initializing buffer pool, size = 1.0G
    
23. 190419  0:35:51 InnoDB: Completed initialization of buffer pool
    
24. 190419  0:35:51 InnoDB: highest supported file format is Barracuda.
    
25. InnoDB: The log sequence number in ibdata files does not match
    
26. InnoDB: the log sequence number in the ib_logfiles!
    
27. 190419  0:35:51  InnoDB: Database was not shut down normally!
    
28. InnoDB: Starting crash recovery.
    
29. InnoDB: Reading tablespace information from the .ibd files...
    
30. InnoDB: Restoring possible half-written data pages from the doublewrite
    
31. InnoDB: buffer...
    
32. InnoDB: Last MySQL binlog file position 0 19465650, file name ./mysql-bin.000030
    
33. 190419  0:35:51  InnoDB: Waiting for the background threads to start
    
34. 190419  0:35:52 InnoDB: 5.5.60 started; log sequence number 3215952
    
35. 190419  0:35:52 [Note] Recovering after a crash using mysql-bin
    
36. 190419  0:35:53 [Note] Starting crash recovery...
    
37. 190419  0:35:53 [Note] Crash recovery finished.
    
38. 190419  0:35:53 [Note] Server hostname (bind-address): '0.0.0.0'; port: 3306
    
39. 190419  0:35:53 [Note]   - '0.0.0.0' resolves to '0.0.0.0';
    
40. 190419  0:35:53 [Note] Server socket created on IP: '0.0.0.0'.
    
41. 190419  0:35:54 [Note] Event Scheduler: Loaded 0 events
    
42. 190419  0:35:54 [Note] /usr/local/mysql/bin/mysqld: ready for connections.
    
43. Version: '5.5.60-log'  socket: '/tmp/mysql.sock'  port: 3306  Source distribution

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求老大帮忙看看是什么问题，谢谢

licess

https://bbs.vpser.net/thread-17485-1-1.html