<?xml version="1.0" encoding="UTF-8" ?>
<rss version="2.0">
<channel>
<title><![CDATA[沧海一粟]]></title> 
<link>http://www.dzhope.com/index.php</link> 
<description><![CDATA[Web系统架构与服务器运维,php开发]]></description> 
<language>zh-cn</language> 
<copyright><![CDATA[沧海一粟]]></copyright>
<item>
<link>http://www.dzhope.com/post//</link>
<title><![CDATA[squid刷新缓存]]></title> 
<author>jed &lt;jed521@163.com&gt;</author>
<category><![CDATA[服务器技术]]></category>
<pubDate>Thu, 28 Apr 2011 05:00:50 +0000</pubDate> 
<guid>http://www.dzhope.com/post//</guid> 
<description>
<![CDATA[ 
	 Squid会在设置的缓存目录下建立多个目录，每一个目录下又建立多个目录，然后才在最里层的目录中存放缓存文件(object)。squid会根据用户请求网页的URL进行哈希，生成缓存文件，存放在某一个目录中。squid启动之后，将在内存中建立一个哈希表，记录硬盘中缓存文件配置的情形。对于静态网页，squid只会生成一个缓存文件<br/><span style="color: #4169E1;">在squid配置文件中添加访问权限：<br/>acl managerip src 10.10.90.97<br/>acl manager proto cache_object<br/>acl purge method PURGE<br/>acl src_local src 10.10.90.97<br/>http_access allow manager managerip<br/>http_access allow purge src_local<br/>重新加载一下squid：squid -k reconfigure&nbsp;&nbsp; </span><br/>刷新缓存：<span style="color: #FF4500;">squidclient -m PURGE -h 10.10.90.20 -p 80 "http://10.10.90.20/upload/zt/5925/a_59247127.jpg"</span><br/>HTTP/1.0 200 OK<br/>Server: squid/3.0.STABLE9<br/>Mime-Version: 1.0<br/>Date: Sat, 26 Feb 2011 05:22:32 GMT<br/>Content-Length: 0<br/>X-Cache: MISS from FOCUS20<br/>Via: 1.0 FOCUS117 (squid/3.0.STABLE9)<br/>Connection: close<br/>再次运行：<span style="color: #FF4500;">squidclient -m PURGE -h 10.10.90.20 -p 80 "http://10.10.90.20/upload/zt/5925/a_59247127.jpg"</span><br/>HTTP/1.0 404 Not Found<br/>Server: squid/3.0.STABLE9<br/>Mime-Version: 1.0<br/>Date: Sat, 26 Feb 2011 05:23:32 GMT<br/>Content-Length: 0<br/>X-Cache: MISS from FOCUS20<br/>Via: 1.0 FOCUS117 (squid/3.0.STABLE9)<br/>Connection: close<br/><br/><span style="color: #4169E1;">因为第一次已经将图片a_59247127.jpg的缓存清除了，再次运行命令时缓存目录下已经没有缓存文件，因此报404错误。</span> <br/><br/>Tags - <a href="http://www.dzhope.com/tags/squid/" rel="tag">squid</a> , <a href="http://www.dzhope.com/tags/%25E5%2588%25B7%25E6%2596%25B0%25E7%25BC%2593%25E5%25AD%2598/" rel="tag">刷新缓存</a>
]]>
</description>
</item><item>
<link>http://www.dzhope.com/post//#blogcomment</link>
<title><![CDATA[[评论] squid刷新缓存]]></title> 
<author> &lt;user@domain.com&gt;</author>
<category><![CDATA[评论]]></category>
<pubDate>Thu, 01 Jan 1970 00:00:00 +0000</pubDate> 
<guid>http://www.dzhope.com/post//#blogcomment</guid> 
<description>
<![CDATA[ 
	
]]>
</description>
</item>
</channel>
</rss>