Nginx 缓存命中率

 

# 在http头部显示命中方式
location  ~*   ^.*\.(js|ico|gif|jpg|jpeg|png)$    {
	proxy_redirect off;
	proxy_set_header Host $host;
	proxy_set_header X-Real-IP $remote_addr;
	proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
	proxy_connect_timeout 180;
	proxy_send_timeout 180;
	proxy_read_timeout 180;
	proxy_buffer_size 128k;
	proxy_buffers 4 128k;
	proxy_busy_buffers_size 128k;
	proxy_temp_file_write_size 128k;
	proxy_cache cache;
	proxy_cache_valid 200 304 1h;
	proxy_cache_valid 404 1m;
	proxy_cache_key   $host$uri$is_args$args;
	add_header     Nginx-Cache   "$upstream_cache_status";
	proxy_pass http://backend;
}

 

log_format  main  '$remote_addr - $remote_user [$time_local] $request '
                      '"$status" $body_bytes_sent "$http_referer" "$request_body" '
                      '"$http_user_agent" "$http_x_forwarded_for"'
		      'cache_status:$upstream_cache_status upstream:$upstream_addr '
		      'response_time: $request_time response_time: $request_time host: $host';

#日志缓存命中率:
     MISS : 未命中,请求被传送到后台处理
     HIT:     缓存命中
     EXPIRED: 缓存已经过期,请求被传送到后台处理
     UPDATING: 正在更新缓存,将使用旧的应答
     STALE: 后端得到过期的应答

 

posted @ 2018-03-20 15:55  _Goku  阅读(947)  评论(0编辑  收藏  举报