squid緩存動態鏈接

時間 2021-08-14

標籤 php html nginx web vim 緩存服務器 curl ide post 欄目 PHP 简体版

原文原文鏈接

因爲網站的訪問量愈來愈大，用戶播放視頻，都要從web服務器拿文件，並且又是動態鏈接，要調用一個php-cgi進程，這樣的話很浪費資源，因此要加緩存服務器。可是問題來了，squid 默認是不緩存動態頁面的，google 了半天，發現不少人的文章沒有一個說到正點上的。最後本身不停的作測試，看squid.conf.documented，把問題解決了，因此就記錄下來，以便之後你們遇到一樣的問題。好解決。列子：php

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

首選用 curl 抓 head頭。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

看紅字部分，而後在看 squid.conf.documented 對應的部分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對應有違規則那麼咱們修改 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

保存重啓 squid 而後訪問網站查看日誌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