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php5-fpm没有响应

我已经迁移到nginx设置〜2个月前的php5-fpm。 一切都很好，直到几天前，当我注意到我的PHP网站没有响应（浏览器只是等待数据，最终超时）。 重新启动php5-fpm帮助。 这是我的/var/log/php5-fpm.log的结尾： 

[09-Feb-2013 07:22:46] NOTICE: [pool www] child 26802 started [09-Feb-2013 20:09:07] WARNING: [pool www] server reached pm.max_children setting (10), consider raising it [10-Feb-2013 07:22:40] WARNING: [pool www] child 5986 exited on signal 11 (SIGSEGV - core dumped) after 40414.794799 seconds from start [10-Feb-2013 07:22:40] NOTICE: [pool www] child 13596 started [11-Feb-2013 07:22:14] WARNING: [pool www] child 23530 exited on signal 11 (SIGSEGV - core dumped) after 36419.156740 seconds from start [11-Feb-2013 07:22:14] NOTICE: [pool www] child 31088 started [12-Feb-2013 06:25:07 [09-Feb-2013 20:09:07] WARNING: [pool www] server reached pm.max_children setting (10), consider raising it [10-Feb-2013 07:22:40] WARNING: [pool www] child 5986 exited on signal 11 (SIGSEGV - core dumped) after 40414.794799 seconds from start [10-Feb-2013 07:22:40] NOTICE: [pool www] child 13596 started [11-Feb-2013 07:22:14] WARNING: [pool www] child 23530 exited on signal 11 (SIGSEGV - core dumped) after 36419.156740 seconds from start [11-Feb-2013 07:22:14] NOTICE: [pool www] child 31088 started [12-Feb-2013 06:25:07] WARNING: [pool www] server reached pm.max_children setting (10), consider raising it [12-Feb-2013 07:22:34] WARNING: [pool www] child 20736 exited on signal 11 (SIGSEGV - core dumped) after 3448.720422 seconds from start [12-Feb-2013 07:22:34] NOTICE: [pool www] child 23808 started [13-Feb-2013 06:57:30] WARNING: [pool www] server reached pm.max_children setting (10), consider raising it [13-Feb-2013 07:21:48] WARNING: [pool www] child 13307 exited on signal 11 (SIGSEGV - core dumped) after 1459.134695 seconds from start [13-Feb-2013 07:21:48] NOTICE: [pool www] child 13596 started [13-Feb-2013 08:18:13] WARNING: [pool www] server reached pm.max_children setting (10), consider raising it [13-Feb-2013 11:14:49] NOTICE: Finishing ... [13-Feb-2013 11:14:49] NOTICE: exiting, bye-bye! [13-Feb-2013 11:14:50] NOTICE: fpm is running, pid 16123 [13-Feb-2013 11:14:50] NOTICE: ready to handle connections [13-Feb-2013 15:21:53] WARNING: [pool www] server reached pm.max_children setting (10), consider raising it [14-Feb-2013 07:22:23] WARNING: [pool www] child 27208 exited on signal 11 (SIGSEGV - core dumped) after 17743.276891 seconds from start [14-Feb-2013 07:22:23] NOTICE: [pool www] child 31521 started [14-Feb-2013 15:21:33] WARNING: [pool www] server reached pm.max_children setting (10), consider raising it [15-Feb-2013 07:21:51] WARNING: [pool www] child 9699 exited on signal 11 (SIGSEGV - core dumped) after 36679.697975 seconds from start [15-Feb-2013 07:21:51] NOTICE: [pool www] child 16671 started [15-Feb-2013 09:35:35] WARNING: [pool www] server reached pm.max_children setting (10), consider raising it [16-Feb-2013 07:22:18] WARNING: [pool www] child 29553 exited on signal 11 (SIGSEGV - core dumped) after 22986.940724 seconds from start [16-Feb-2013 07:22:18] NOTICE: [pool www] child 1459 started [17-Feb-2013 07:21:42] WARNING: [pool www] child 10229 exited on signal 11 (SIGSEGV - core dumped) after 45737.338223 seconds from start [17-Feb-2013 07:21:42] NOTICE: [pool www] child 18539 started [17-Feb-2013 08:19:01] WARNING: [pool www] server reached pm.max_children setting (10), consider raising it [17-Feb-2013 22:27:30] NOTICE: Finishing ... [17-Feb-2013 22:27:31] NOTICE: exiting, bye-bye! [17-Feb-2013 22:27:31] NOTICE: fpm is running, pid 24139 [17-Feb-2013 22:27:31] NOTICE: ready to handle connections] WARNING: [pool www] server reached pm.max_children setting (10), consider raising it [12-Feb-2013 07:22:34] WARNING: [pool www] child 20736 exited on signal 11 (SIGSEGV - core dumped) after 3448.720422 seconds from start [12-Feb-2013 07:22:34] NOTICE: [pool www] child 23808 started [13-Feb-2013 06:57:30] WARNING: [pool www] server reached pm.max_children setting (10), consider raising it [13-Feb-2013 07:21:48] WARNING: [pool www] child 13307 exited on signal 11 (SIGSEGV - core dumped) after 1459.134695 seconds from start [13-Feb-2013 07:21:48] NOTICE: [pool www] child 13596 started [13-Feb-2013 08:18:13] WARNING: [pool www] server reached pm.max_children setting (10), consider raising it [13-Feb-2013 11:14:49] NOTICE: Finishing ... [13-Feb-2013 11:14:49] NOTICE: exiting, bye-bye! [13-Feb-2013 11:14:50] NOTICE: fpm is running, pid 16123 [13-Feb-2013 11:14:50] NOTICE: ready to handle connections [13-Feb-2013 15:21:53] WARNING: [pool www] server reached pm.max_children setting (10), consider raising it [14-Feb-2013 07:22:23] WARNING: [pool www] child 27208 exited on signal 11 (SIGSEGV - core dumped) after 17743.276891 seconds from start [14-Feb-2013 07:22:23] NOTICE: [pool www] child 31521 started [14-Feb-2013 15:21:33] WARNING: [pool www] server reached pm.max_children setting (10), consider raising it [15-Feb-2013 07:21:51] WARNING: [pool www] child 9699 exited on signal 11 (SIGSEGV - core dumped) after 36679.697975 seconds from start [15-Feb-2013 07:21:51] NOTICE: [pool www] child 16671 started [15-Feb-2013 09:35:35] WARNING: [pool www] server reached pm.max_children setting (10), consider raising it [16-Feb-2013 07:22:18] WARNING: [pool www] child 29553 exited on signal 11 (SIGSEGV - core dumped) after 22986.940724 seconds from start [16-Feb-2013 07:22:18] NOTICE: [pool www] child 1459 started [17-Feb-2013 07:21:42] WARNING: [pool www] child 10229 exited on signal 11 (SIGSEGV - core dumped) after 45737.338223 seconds from start [17-Feb-2013 07:21:42] NOTICE: [pool www] child 18539 started [17-Feb-2013 08:19:01] WARNING: [pool www] server reached pm.max_children setting (10), consider raising it [17-Feb-2013 22:27:30] NOTICE: Finishing ... [17-Feb-2013 22:27:31] NOTICE: exiting, bye-bye! [17-Feb-2013 22:27:31] NOTICE: fpm is running, pid 24139 [17-Feb-2013 22:27:31] NOTICE: ready to handle connections

“Finishing …”行是当我手动重新启动php5-fpm服务。 我知道这不是很多信息。 请告诉我还需要什么。

可能是什么问题？

在这个日志中显示了两个单独和不同的问题。

  1. pm.max_children设置得太低。 这将控制将产生多less个PHP进程来处理同时传入的请求。 如果有更多的要求进入孩子，新的联系必须等待……最终他们将永远等待。 提高这个值; 在/etc/php-fpm.d/www.conffind它。

    这是你的直接问题的实际原因，虽然你有一些你可能还没有注意到的更隐蔽的问题…

  2. child ... exited on signal 11意味着PHP服务请求时崩溃。 根据处理过程中何时崩溃，这可能没有可见的影响，或者可能导致空白页面，中止传输，用户被神秘地注销等。考虑将PHP更新到最新的版本（5.3.x或5.4.x ）和删除或replace已知的有问题的扩展名，如APC。