为什么过一阵访问着它就挂掉了呢，是不兼容吗？
从环境搭建好一开始就存在这个问题，之前尝试过各种解决办法，都没在点子上。
2014/05/23 11:07:50 [error] 1808#4076: *748 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /explore/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/publish/"
2014/05/23 11:23:03 [error] 1808#4076: *756 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 67.203.3.164, server: csdigg.com, request: "GET / HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com"
2014/05/23 11:24:30 [error] 1808#4076: *758 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 67.203.3.164, server: csdigg.com, request: "GET / HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://wenda.wecenter.com/question/17438"
2014/05/23 11:28:38 [error] 1808#4076: *756 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 67.203.3.164, server: csdigg.com, request: "GET / HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com"
2014/05/23 14:20:55 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/explore/"
2014/05/23 14:27:03 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 14:32:35 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/explore/"
2014/05/23 14:38:44 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 14:44:15 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/explore/"
2014/05/23 14:50:24 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 14:55:55 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/explore/"
2014/05/23 15:02:04 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 15:07:06 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 15:12:07 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 15:17:35 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/explore/"
2014/05/23 15:23:47 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 15:28:48 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 15:33:50 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 15:38:52 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 15:43:55 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 15:48:58 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 15:52:47 [error] 2844#2152: *628 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 120.91.38.14, server: csdigg.com, request: "GET / HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://wenda.wecenter.com/question/17565"
2014/05/23 15:54:01 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 15:59:04 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 16:04:07 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 16:09:10 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 16:14:15 [error] 2844#2152: *426 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/explore/"
2014/05/23 16:20:52 [error] 2844#2152: *636 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 16:25:55 [error] 2844#2152: *636 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/explore/"
2014/05/23 16:32:30 [error] 2844#2152: *636 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 16:37:31 [error] 2844#2152: *636 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 16:41:06 [error] 2844#2152: *645 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 120.91.38.14, server: csdigg.com, request: "GET / HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://wenda.wecenter.com/question/17565"
2014/05/23 16:42:34 [error] 2844#2152: *636 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 16:47:35 [error] 2844#2152: *636 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/explore/"
2014/05/23 16:52:40 [error] 2844#2152: *636 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 16:57:43 [error] 2844#2152: *636 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 17:02:44 [error] 2844#2152: *636 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 17:09:15 [error] 2844#2152: *636 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/explore/"
2014/05/23 17:14:25 [error] 2844#2152: *636 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 17:19:28 [error] 2844#2152: *636 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 17:24:31 [error] 2844#2152: *636 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 17:29:34 [error] 2844#2152: *636 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 17:34:37 [error] 2844#2152: *636 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 17:39:40 [error] 2844#2152: *636 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 17:44:43 [error] 2844#2152: *636 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 17:47:55 [error] 2844#2152: *662 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /topic/ajax/topic_info/topic_id-154 HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/explore/"
2014/05/23 17:49:45 [error] 2844#2152: *636 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /home/ajax/notifications/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 17:51:17 [error] 2844#2152: *669 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /topic/ajax/topic_info/topic_id-151 HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/explore/"
2014/05/23 17:58:46 [error] 2844#2152: *669 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 27.13.47.158, server: csdigg.com, request: "GET /explore/ HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://www.csdigg.com/3.shtm"
2014/05/23 19:34:21 [error] 2844#2152: *687 upstream timed out (10060: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond) while connecting to upstream, client: 14.200.188.84, server: csdigg.com, request: "GET / HTTP/1.1", upstream: "fastcgi://127.0.0.1:8080", host: "www.csdigg.com", referrer: "http://wenda.wecenter.com/question/17565"
