> -----Original Message----- > From: Pablo Romero [mailto:psromerozu@xxxxxxxxxxx] > Sent: Friday, January 28, 2005 2:20 PM > To: squid-users@xxxxxxxxxxxxxxx > Subject: [squid-users] Squid slows down when a file with more than 25000 > URLs to block is loaded > > > Hello > > I am running Squid 2.5 Stable 6 on a Pentium4 1.8 Ghz and 256 Mbytes RAM. I > am trying to put this proxy in a production environment soon, but, although > squid is performing just fine all tasks, when I began to try the ACL tests, > it seems to slow down (very much) when a blacklist file is loaded. The > configuration is the following: > > acl denegar url_regex "/opt/squid/blacklist" > > > This blacklist file has 25000 sites on it, and it seems to take down squid. > I don't know if you guys can provide me some tips so I can tune up my squid > proxy. Can you tell me if I am using the wrong hardware configuration, if I > need more RAM, or if I just have to change some stuff in the squid.conf > file. > > > I'd appreciate your help > > > Regards > > > > > Pablo Romero url_regex is a last resort, and very CPU intensive. Use dstdomain instead in any instance that you can (i.e. instead of "url_regex site\.domain" use "dstdomain .site.domain") and you'll find performance improves greatly. Chris