squid缓存动态链接

时间 2021-08-14

标签 php html nginx web vim 缓存服务器 curl ide post 栏目 PHP 繁體版

原文原文链接

因为网站的访问量愈来愈大，用户播放视频，都要从web服务器拿文件，并且又是动态链接，要调用一个php-cgi进程，这样的话很浪费资源，因此要加缓存服务器。可是问题来了，squid 默认是不缓存动态页面的，google 了半天，发现不少人的文章没有一个说到正点上的。最后本身不停的作测试，看squid.conf.documented，把问题解决了，因此就记录下来，以便之后你们遇到一样的问题。好解决。列子：php

http://www.nginxs.com/nginx/Grec.php?id=eric&b.php?=aaa

首选用 curl 抓 head头。html

nginx $> curl -I http://www.nginxs.com/nginx/Grec.php
HTTP/1.1 200 OK
Server: nginx
Date: Fri, 27 Aug 2010 06:49:43 GMT
Content-Type: text/html; charset=utf-8
Connection: keep-alive
Vary: Accept-Encoding
X-Powered-By: PHP/5.2.13
Set-Cookie: PHPSESSID=2d4523a7c6a5a54dbb20f64f3bc04be3; path=/
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache

看红字部分，而后在看 squid.conf.documented 对应的部分nginx

#       options: override-expire
#                override-lastmod
#                reload-into-ims
#                ignore-reload
#                ignore-no-cache
#                ignore-no-store
#                ignore-must-revalidate
#                ignore-private
#                ignore-auth
#                refresh-ims
#

把 Cache-Control 的信息，squid对应有违规则那么咱们修改 squid.confweb

nginx $> vim /usr/local/squid/etc/squid.conf
# 添加以下：
acl nginx urlpath_regex ^/nginx/Grec.php
acl QUERY urlpath_regex cgi-bin \? \.php
no_cache allow nginx
no_cache deny QUERY

refresh_pattern -i ^http://www.nginxs.com/nginx/Grec.php      1440    50%     10080   override-expire override-lastmod reload-into-ims ignore-reload ignore-no-cache ignore-no-store ignore-must-revalidate

保存重启 squid 而后访问网站查看日志vim

nginx $> tailf /usr/local/squid/var/logs/access.log
1282112874.863    124 xxx.xxx.xx.xxx TCP_MEM_HIT/200 225990 GET http://www.nginxs.com/nginx/Grec.php? - NONE/- p_w_picpath/jpeg
1282112874.919    176 xxx.xxx.xx.xxx TCP_MEM_HIT/200 155673 GET http://www.nginxs.com/nginx/Grec.php? - NONE/- p_w_picpath/jpeg
1282112874.946    203 xxx.xxx.xx.xxx TCP_MEM_HIT/200 237069 GET http://www.nginxs.com/nginx/Grec.php? - NONE/- p_w_picpath/jpeg
1282112874.948    225 xxx.xxx.xx.xxx TCP_MEM_HIT/200 228811 GET http://www.nginxs.com/nginx/Grec.php? - NONE/- p_w_picpath/jpeg
1282112874.973    230 xxx.xxx.xx.xxx TCP_MEM_HIT/200 195373 GET http://www.nginxs.com/nginx/Grec.php? - NONE/- p_w_picpath/jpeg
1282112874.985    242 xxx.xxx.xx.xxx TCP_MEM_HIT/200 241978 GET http://www.nginxs.com/nginx/Grec.php? - NONE/- p_w_picpath/jpeg
1282112875.021    197 xxx.xxx.xx.xxx TCP_MEM_HIT/200 201420 GET http://www.nginxs.com/nginx/Grec.php? - NONE/- p_w_picpath/jpeg
1282112875.032    185 xxx.xxx.xx.xxx TCP_MEM_HIT/200 259924 GET http://www.nginxs.com/nginx/Grec.php? - NONE/- p_w_picpath/jpeg
1282112875.046    160 xxx.xxx.xx.xxx TCP_MEM_HIT/200 226011 GET http://www.nginxs.com/nginx/Grec.php? - NONE/- p_w_picpath/jpeg
1282112875.071    176 xxx.xxx.xx.xxx TCP_MEM_HIT/200 256656 GET http://www.nginxs.com/nginx/Grec.php? - NONE/- p_w_picpath/jpeg
1282112875.106    177 xxx.xxx.xx.xxx TCP_MEM_HIT/200 223641 GET http://www.nginxs.com/nginx/Grec.php? - NONE/- p_w_picpath/jpeg
1282112875.125    167 xxx.xxx.xx.xxx TCP_MEM_HIT/200 223972 GET http://www.nginxs.com/nginx/Grec.php? - NONE/- p_w_picpath/jpeg