网站运行正常，偶尔会出现502错误
网站已运行三个月，之前倒是没发现出现502错误，最近这两天出现的比较多下面是nginx错误日志，请军哥指点一下，错误在哪里2012/03/18 00:22:28 2120#0: *15 connect() to unix:/tmp/php-cgi.sock failed (2: No such file or directory) while connecting to upstream, client: 219.134.39.76, server: www.zzzxw.com, request: "GET /index.php?m=content&c=info&catid=6 HTTP/1.1", upstream: "fastcgi://unix:/tmp/php-cgi.sock:", host: "www.zzzxw.com", referrer: "http://www.98seav.com/articlelist/?36-2.html"
2012/03/18 01:01:05 2127#0: *1 connect() to unix:/tmp/php-cgi.sock failed (2: No such file or directory) while connecting to upstream, client: 121.14.162.47, server: www.zzzxw.com, request: "GET /index.php?m=content&c=info&catid=8 HTTP/1.1", upstream: "fastcgi://unix:/tmp/php-cgi.sock:", host: "www.zzzxw.com", referrer: "http://www.98seav.com/"
2012/03/18 01:01:05 2127#0: *11 connect() to unix:/tmp/php-cgi.sock failed (2: No such file or directory) while connecting to upstream, client: 61.163.72.82, server: www.zzzxw.com, request: "GET /index.php?m=content&c=info&areaid=15 HTTP/1.1", upstream: "fastcgi://unix:/tmp/php-cgi.sock:", host: "www.zzzxw.com", referrer: "http://www.zzzxw.com/"
2012/03/18 01:01:05 2127#0: *18 connect() to unix:/tmp/php-cgi.sock failed (2: No such file or directory) while connecting to upstream, client: 58.252.109.53, server: www.zzzxw.com, request: "GET /index.php?m=content&c=index&a=shows&catid=6&id=69358 HTTP/1.1", upstream: "fastcgi://unix:/tmp/php-cgi.sock:", host: "zzzxw.com", referrer: "http://zzzxw.com/html/2012/xiyu_0204/69358.html"
2012/03/18 01:01:05 2127#0: *16 connect() to unix:/tmp/php-cgi.sock failed (2: No such file or directory) while connecting to upstream, client: 117.254.10.123, server: www.zzzxw.com, request: "POST /index.php?m=member&c=index&a=register&siteid=1 HTTP/1.1", upstream: "fastcgi://unix:/tmp/php-cgi.sock:", host: "zzzxw.com", referrer: "http://zzzxw.com/index.php?m=member&c=index&a=register&siteid=1"
2012/03/18 01:01:06 2127#0: *25 connect() to unix:/tmp/php-cgi.sock failed (2: No such file or directory) while connecting to upstream, client: 123.150.182.119, server: www.zzzxw.com, request: "GET /index.php?m=member&c=index&a=mini&forward=http%3A%2F%2Fwww.zzzxw.com%2F&siteid=1 HTTP/1.1", upstream: "fastcgi://unix:/tmp/php-cgi.sock:", host: "www.zzzxw.com", referrer: "http://www.zzzxw.com/"
2012/03/18 01:01:06 2127#0: *27 connect() to unix:/tmp/php-cgi.sock failed (2: No such file or directory) while connecting to upstream, client: 123.150.182.119, server: www.zzzxw.com, request: "GET /index.php?m=announce&c=index&a=show&aid=1 HTTP/1.1", upstream: "fastcgi://unix:/tmp/php-cgi.sock:", host: "www.zzzxw.com", referrer: "http://www.zzzxw.com/"
2012/03/18 01:01:06 2127#0: *10 connect() to unix:/tmp/php-cgi.sock failed (2: No such file or directory) while connecting to upstream, client: 222.216.91.63, server: www.zzzxw.com, request: "GET /index.php?m=member&c=index&a=mini&forward=http%3A%2F%2Fwww.zzzxw.com%2Fhtml%2F2011%2Fqita_1117%2F61508.html&siteid=1 HTTP/1.1", upstream: "fastcgi://unix:/tmp/php-cgi.sock:", host: "www.zzzxw.com", referrer: "http://www.zzzxw.com/html/2011/qita_1117/61508.html"
2012/03/18 01:01:06 2127#0: *34 connect() to unix:/tmp/php-cgi.sock failed (2: No such file or directory) while connecting to upstream, client: 222.216.91.63, server: www.zzzxw.com, request: "GET /index.php?m=announce&c=index&a=show&aid=1 HTTP/1.1", upstream: "fastcgi://unix:/tmp/php-cgi.sock:", host: "www.zzzxw.com", referrer: "http://www.zzzxw.com/html/2011/qita_1117/61508.html"
2012/03/18 01:01:06 2127#0: *12 connect() to unix:/tmp/php-cgi.sock failed (2: No such file or directory) while connecting to upstream, client: 175.17.148.195, server: www.zzzxw.com, request: "GET /index.php?m=member&c=index&a=mini&forward=http%3A%2F%2Fwww.zzzxw.com%2F&siteid=1 HTTP/1.1", upstream: "fastcgi://unix:/tmp/php-cgi.sock:", host: "www.zzzxw.com", referrer: "http://www.zzzxw.com/" 貌似是php-cgi没运行 根据统计显示，网站人数达到一定数量，比如2百人时就有可能出现502，这是因为php-cgi没运行呢？还是因为php-cgi不够用，我还没有改max_children默认值 增加点试试
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