我有两个网站，每日流量相当为零。两者都使用100-100种产品进行woocommerce（每种产品有200-300种变体）。它运行在VPS（1GB，1CPU）上，并且站点不断崩溃，我需要重启MySQL服务。主机公司说内存已经满了，但我真的不知道为什么它会导致整个网站崩溃，每天有10个访问者...我希望你们能帮忙:)。
这是日志。
150406 11:05:41 [Note] /usr/sbin/mysqld: Shutdown complete
150406 11:15:43 [Warning] Using unique option prefix myisam-recover instead of myisam-recover-options is deprecated and will be removed in a future release. Please use the full name instead.
150406 11:15:43 [Note] Plugin 'FEDERATED' is disabled.
150406 11:15:43 InnoDB: The InnoDB memory heap is disabled
150406 11:15:43 InnoDB: Mutexes and rw_locks use GCC atomic builtins
150406 11:15:43 InnoDB: Compressed tables use zlib 1.2.8
150406 11:15:43 InnoDB: Using Linux native AIO
150406 11:15:43 InnoDB: Initializing buffer pool, size = 128.0M
150406 11:15:43 InnoDB: Completed initialization of buffer pool
150406 11:15:43 InnoDB: highest supported file format is Barracuda.
InnoDB: The log sequence number in ibdata files does not match
InnoDB: the log sequence number in the ib_logfiles!
150406 11:15:43 InnoDB: Database was not shut down normally!
InnoDB: Starting crash recovery.
InnoDB: Reading tablespace information from the .ibd files...
InnoDB: Restoring possible half-written data pages from the doublewrite
InnoDB: buffer...
150406 11:15:44 InnoDB: Waiting for the background threads to start
150406 11:15:45 InnoDB: 5.5.41 started; log sequence number 806004238
150406 11:15:45 [Note] Server hostname (bind-address): '127.0.0.1'; port: 3306
150406 11:15:45 [Note] - '127.0.0.1' resolves to '127.0.0.1';
150406 11:15:45 [Note] Server socket created on IP: '127.0.0.1'.
150406 11:15:45 [Note] Event Scheduler: Loaded 0 events
150406 11:15:45 [Note] /usr/sbin/mysqld: ready for connections.
Version: '5.5.41-0ubuntu0.14.04.1-log' socket: '/var/run/mysqld/mysqld.sock' port: 3306 (Ubuntu)
150406 11:15:46 [ERROR] /usr/sbin/mysqld: Table './pamutlabor/wp_betaoptions' is marked as crashed and should be repaired
150406 11:15:46 [Warning] Checking table: './pamutlabor/wp_betaoptions'
150406 13:20:45 [Warning] Using unique option prefix myisam-recover instead of myisam-recover-options is deprecated and will be removed in a future release. Please use the full name instead.
150406 13:20:45 [Note] Plugin 'FEDERATED' is disabled.
150406 13:20:45 InnoDB: The InnoDB memory heap is disabled
150406 13:20:45 InnoDB: Mutexes and rw_locks use GCC atomic builtins
150406 13:20:45 InnoDB: Compressed tables use zlib 1.2.8
150406 13:20:45 InnoDB: Using Linux native AIO
150406 13:20:46 InnoDB: Initializing buffer pool, size = 128.0M
InnoDB: mmap(137363456 bytes) failed; errno 12
150406 13:20:46 InnoDB: Completed initialization of buffer pool
150406 13:20:46 InnoDB: Fatal error: cannot allocate memory for the buffer pool
150406 13:20:46 [ERROR] Plugin 'InnoDB' init function returned error.
150406 13:20:46 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
150406 13:20:46 [ERROR] Unknown/unsupported storage engine: InnoDB
150406 13:20:46 [ERROR] Aborting
150406 13:20:46 [Note] /usr/sbin/mysqld: Shutdown complete
150406 13:20:47 [Warning] Using unique option prefix myisam-recover instead of myisam-recover-options is deprecated and will be removed in a future release. Please use the full name instead.
150406 13:20:47 [Note] Plugin 'FEDERATED' is disabled.
150406 13:20:47 InnoDB: The InnoDB memory heap is disabled
150406 13:20:47 InnoDB: Mutexes and rw_locks use GCC atomic builtins
150406 13:20:47 InnoDB: Compressed tables use zlib 1.2.8
150406 13:20:47 InnoDB: Using Linux native AIO
150406 13:20:47 InnoDB: Initializing buffer pool, size = 128.0M
InnoDB: mmap(137363456 bytes) failed; errno 12
150406 13:20:47 InnoDB: Completed initialization of buffer pool
150406 13:20:47 InnoDB: Fatal error: cannot allocate memory for the buffer pool
150406 13:20:47 [ERROR] Plugin 'InnoDB' init function returned error.
150406 13:20:47 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
150406 13:20:47 [ERROR] Unknown/unsupported storage engine: InnoDB
150406 13:20:47 [ERROR] Aborting
150406 13:20:47 [Note] /usr/sbin/mysqld: Shutdown complete
150406 13:33:45 [Warning] Using unique option prefix myisam-recover instead of myisam-recover-options is deprecated and will be removed in a future release. Please use the full name instead.
150406 13:33:45 [Note] Plugin 'FEDERATED' is disabled.
150406 13:33:45 InnoDB: The InnoDB memory heap is disabled
150406 13:33:45 InnoDB: Mutexes and rw_locks use GCC atomic builtins
150406 13:33:45 InnoDB: Compressed tables use zlib 1.2.8
150406 13:33:45 InnoDB: Using Linux native AIO
150406 13:33:45 InnoDB: Initializing buffer pool, size = 128.0M
150406 13:33:45 InnoDB: Completed initialization of buffer pool
150406 13:33:45 InnoDB: highest supported file format is Barracuda.
InnoDB: The log sequence number in ibdata files does not match
InnoDB: the log sequence number in the ib_logfiles!
150406 13:33:45 InnoDB: Database was not shut down normally!
InnoDB: Starting crash recovery.
InnoDB: Reading tablespace information from the .ibd files...
InnoDB: Restoring possible half-written data pages from the doublewrite
InnoDB: buffer...
150406 13:33:46 InnoDB: Waiting for the background threads to start
150406 13:33:47 InnoDB: 5.5.41 started; log sequence number 806115911
150406 13:33:47 [Note] Server hostname (bind-address): '127.0.0.1'; port: 3306
150406 13:33:47 [Note] - '127.0.0.1' resolves to '127.0.0.1';
150406 13:33:47 [Note] Server socket created on IP: '127.0.0.1'.
150406 13:33:47 [Note] Event Scheduler: Loaded 0 events
150406 13:33:47 [Note] /usr/sbin/mysqld: ready for connections.
Version: '5.5.41-0ubuntu0.14.04.1-log' socket: '/var/run/mysqld/mysqld.sock' port: 3306 (Ubuntu)
150406 13:33:49 [ERROR] /usr/sbin/mysqld: Table './pamutlabor/wp_betaoptions' is marked as crashed and should be repaired
150406 13:33:49 [Warning] Checking table: './pamutlabor/wp_betaoptions'
150406 13:33:51 [ERROR] /usr/sbin/mysqld: Table './pamutlabor/wp_betarg_form_view' is marked as crashed and should be repaired
150406 13:33:51 [Warning] Checking table: './pamutlabor/wp_betarg_form_view'
150406 13:33:51 [ERROR] /usr/sbin/mysqld: Table './teetaku/wp_galleryvotes' is marked as crashed and should be repaired
150406 13:33:51 [Warning] Checking table: './teetaku/wp_galleryvotes'