今天下午ECS上网站突然打不开，提示数据库出错
两个网站，一个是discuz3.2，一个是wordpress4.22，用reboot命令重启服务器后，均恢复正常，不知何故？磁盘空间充足。PHP的日志：
WARNING: [pool www] child 1284 exited on signal 11 (SIGSEGV) after 1590.121643 seconds from start
[15-Jun-2015 14:29:28] NOTICE: [pool www] child 1978 started
[15-Jun-2015 15:56:23] NOTICE: Terminating ...
[15-Jun-2015 15:56:23] NOTICE: exiting, bye-bye!
[15-Jun-2015 15:57:05] NOTICE: fpm is running, pid 1259
[15-Jun-2015 15:57:05] NOTICE: ready to handle connections
[15-Jun-2015 16:00:01] NOTICE: Terminating ...
[15-Jun-2015 16:00:01] NOTICE: exiting, bye-bye!
[15-Jun-2015 16:00:44] NOTICE: fpm is running, pid 1279
[15-Jun-2015 16:00:44] NOTICE: ready to handle connections
[15-Jun-2015 16:26:09] NOTICE: Terminating ...
[15-Jun-2015 16:26:09] NOTICE: exiting, bye-bye!
[15-Jun-2015 16:26:49] NOTICE: fpm is running, pid 1259
[15-Jun-2015 16:26:50] NOTICE: ready to handle connections
[15-Jun-2015 16:47:26] NOTICE: Terminating ...
[15-Jun-2015 16:47:26] NOTICE: exiting, bye-bye!
[15-Jun-2015 16:48:10] NOTICE: fpm is running, pid 1286
[15-Jun-2015 16:48:10] NOTICE: ready to handle connections
[15-Jun-2015 21:46:14] NOTICE: Terminating ...
[15-Jun-2015 21:46:14] NOTICE: exiting, bye-bye!
[15-Jun-2015 21:46:55] NOTICE: fpm is running, pid 1259
[15-Jun-2015 21:46:55] NOTICE: ready to handle connections
[15-Jun-2015 23:12:46] NOTICE: Terminating ...
[15-Jun-2015 23:12:46] NOTICE: exiting, bye-bye!
[15-Jun-2015 23:13:26] NOTICE: fpm is running, pid 1259
[15-Jun-2015 23:13:26] NOTICE: ready to handle connections
[16-Jun-2015 07:53:09] NOTICE: Terminating ...
[16-Jun-2015 07:53:09] NOTICE: exiting, bye-bye!
[16-Jun-2015 07:53:51] NOTICE: fpm is running, pid 1269
[16-Jun-2015 07:53:51] NOTICE: ready to handle connections
[17-Jun-2015 16:24:52] WARNING: [pool www] seems busy (you may need to increase
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Re今天下午ECS上网站突然打不开，提示数据库出错[pool www] seems busy (you may need to increase
程序池满了。 。增加最大限制连接数， 升服务器配置2015-06-17 20:11:05赞同 展开评论 -
Re今天下午ECS上网站突然打不开，提示数据库出错MYSQL日志：
150617 16:24:59 mysqld_safe mysqld restarted
150617 16:25:01 [Note] Plugin 'FEDERATED' is disabled.
150617 16:25:01 InnoDB: The InnoDB memory heap is disabled
150617 16:25:01 InnoDB: Mutexes and rw_locks use InnoDB's own implementation
150617 16:25:01 InnoDB: Compressed tables use zlib 1.2.3
150617 16:25:01 InnoDB: Using Linux native AIO
150617 16:25:01 InnoDB: Initializing buffer pool, size = 128.0M
InnoDB: mmap(136806400 bytes) failed; errno 12
150617 16:25:01 InnoDB: Completed initialization of buffer pool
150617 16:25:01 InnoDB: Fatal error: cannot allocate memory for the buffer pool
150617 16:25:01 [ERROR] Plugin 'InnoDB' init function returned error.
150617 16:25:01 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
150617 16:25:01 [ERROR] Unknown/unsupported storage engine: InnoDB
150617 16:25:01 [ERROR] Aborting
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回2楼chnxiaoxiao的帖子非常感谢。可能是刚把phpwind转到discuz的原因。2015-06-17 18:06:54赞同 展开评论