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【永福原创】三个nginx配置问题的解决方案

2011-07-18 17:50:32| 分类：软件编程 | 标签： |举报 |字号大中小订阅

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今天开启了nginx的error_log，发现了三个配置问题：

问题一：

2011/07/18 17:04:37 [warn] 2422#0: *171505004 an upstream response is buffered to a temporary file /opt/app/nginx/fastcgi_temp/9/80/0001539809 while reading upstream, client: 1.202.221.2, server: www.yongfu.com, request: "GET /recipe/all?cate=643&PHPSESSID=8c1135b85f1b5f90f55caab5ea7e1526 HTTP/1.0", upstream: "fastcgi://127.0.0.1:9000", host: "www.yongfu.com"

问题分析：nginx的fastcgi设置的fastcgi_buffers太小，导致将缓存写入磁盘。

问题解决：修改nginx的配置，将fastcgi_buffers调大，参考了该文：http://www.ruby-forum.com/topic/140625

fastcgi_buffers 32 8k;

ok，问题解决，但又出现新的问题：

问题二：

2011/07/18 17:10:21 [warn] 2898#0: *171505297 a client request body is buffered to a temporary file /opt/app/nginx/client_body_temp/0001539931, client: 114.237.110.152, server: www.yongfu.com, request: "POST /recipe/create/58884?do=uploadstep HTTP/1.1", host: "www.yongfu.com", referrer: "http://www.yongfu.com/recipe/create/58884"

问题分析：还是缓存写入磁盘的问题。

问题解决：修改nginx.conf的client_max_body_size & client_body_buffer_size选项。参考了：http://nginx.org/pipermail/nginx/2009-July/013634.html

client_max_body_size 500m;
client_body_buffer_size 1024k;

问题三：

2011/07/18 16:43:39 [warn] 18326#0: *28601 using uninitialized "rule_1" variable, client: 192.168.1.6, server: yongfu.com, request: "GET /user/notice.php?callback=jsonp1310978365248&_=1310978696380 HTTP/1.1", host: "www.yongfu.com", referrer: "http://www.yongfu.com/act/cooking?m=creview"

问题分析：这个是因为我的rewrite规则里的变量rule_1的问题。

if (!-f $document_root$uri){
  set $rule_1 "1"; 
} 
if ($rule_1 = "1"){
  rewrite ^/.*$ /rewrite.php last; 
}

说是没有定义rule_1，但我在那里定义了呀，没明白。但分析这两个判断，可以使用以下代码代替：

问题解决：

if (!-f $document_root$uri){  
rewrite ^/.*$ /rewrite.php last; 
}

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