### HttpLog模块 ngx_http_log_module 实例 ~~~ log_format gzip '$remote_addr - $remote_user [$time_local] ' : '"$request" $status $bytes_sent ' : '"$http_referer" "$http_user_agent" "$gzip_ratio"'; access_log /spool/logs/nginx-access.log gzip buffer=32k; ~~~ ### 指令 - access_log - log_format ### access_log **语法：***access_log path [format [buffer=size | off* ] **默认值：***access_log log/access.log combined* **作用域：***http, server, location* 指令 access_log 指派路径、格式和缓存大小。参数 "off" 将清除当前级别的所有 access_log 指令。如果未指定格式，则使用预置的 "combined" 格式。缓存不能大于能写入磁盘的文件的最大大小。在 FreeBSD 3.0-6.0 ，缓存大小无此限制。 ### log_format **语法：***log_format name format [format ...]* **默认值：***log_format combined "..."* **作用域：***http**server* Directive log_format describes the format of a log entry. Besides general variables in the format it is possible to use variables which exist only at the moment of record into the log: - $body_bytes_sent, the number of bytes, transmitted to client minus the response headers, variable is compatible with parameter %B of module Apache's mod_log_config (this was called $apache_bytes_sent, before version 0.3.10) - $bytes_sent, the number of bytes, transmitted to client - $connection, the number of connection - $msec, the time with an accuracy to microseconds at the moment of the log entry - $pipe, "p" if request was pipelining - $request_length, the length of the body of the request - $request_time, the time of working on request in seconds - $status, status of answer - $time_local, local time into common log format. The headers, transmitted to client, begin from the prefix "sent_http_", for example, $sent_http_content_range. In the configuration there is always a predetermined format "combined": ~~~ log_format combined '$remote_addr - $remote_user [$time_local] ' : '"$request" $status $apache_bytes_sent ' : '"$http_referer" "$http_user_agent"'; ~~~ ### 参考 [原始文档](http://sysoev.ru/nginx/docs/http/ngx_http_log_module.html "http://sysoev.ru/nginx/docs/http/ngx_http_log_module.html")