On Tue, 2006-04-11 at 10:26 -0400, Guillaume Vachon wrote: > On Tue, 2006-04-11 at 14:51 +0100, Neil A. Hillard wrote: > > Hi, > > > > mail reformatted to make sense (i.e. please don't top post!) > > > > >>> I have a squid that has been caching for like 10 month. It now have an > > >>> amazing size of 4.5 gig. > > >> What you have is determined by the cache_dir specifications > > >> in squid.conf. The size there is taken into account , and SQUID will > > >> trimm cache dirs automatically if that would be needed. > > >> > > >> > > >>> When browsing on the web, it is now very very > > >>> slow. I restarted squid with a clean cache. Everything was fine again. I > > >>> was wondering if there were a way to tell squid to clean cache > > >>> periodicaly?! So I would not have to do it myself. > > >>> > > >> - The idea of a caching proxy is to have a cache, and to benefit > > >> from that, not clean it. > > >> I run SQUID with the same cache dir and or squid maintained content > > >> for more then year without touching it. > > >> And or touching it alone, if serious SYSTEM or disk problems would occur. > > >> > > >> Make sure that your disk access performance, for instance, is adequate > > >> for the SQUID induced disk I/O load. > > > > > > For the computer that is running Squid it is a Dual core 3 ghz, there > > > is 2 gig of ram. The disk are scsi. I don't think that it is the > > > machine that is having the probleme. There is no probleme with the > > > access to disk. > > > > If you want better advice you'll need to show here how you've checked > > that. Have you used iostat, vmstat, etc. You may also want to post you > > squid.conf (stripped of comments and blank lines). > > > > Do you have multiple cache_dirs specified? > > > > > There might be solution somewhere. I mean I should not have to reset > > > my cache. The computer is strong enough. But still it went really > > > slow (so slow that browsing the web was imposible)and restarting > > > squid with a new cache solved the problem. What can I do to be sure > > > that this does not happen again > > > > Correct - you should not have to. After all, I have a dual P3-667MHz > > with 512Mb RAM serving over 3500 clients. Your machine is considerably > > more powerful. > > > > What is the machine doing when it is in this state. Is anything logged > > in cache.log, anything relevant in syslog? > > > > > > Without more information we can't really offer any advice. > > > > > > Neil. > > > > --- > > Here is my squid.conf > > pid_filename /opt2/squid-logs/squid.pid > redirect_program /usr/local/squid/bin/zapchain /usr/local/squid/bin/squidGuard > "/usr/local/squid/bin/SquidClamAV_Redirector.py > -c /usr/local/squid/etc/SquidClamAV_Redirector.conf" > redirect_children 30 > acl localhost src 127.0.0.1/255.255.255.255 > acl proxycsbf src 10.0.10.15/255.255.255.255 > redirector_access deny proxycsbf > redirector_access deny localhost > auth_param basic children 5 > auth_param basic realm Squid proxy-caching web server > auth_param basic credentialsttl 2 hours > auth_param basic casesensitive off > refresh_pattern ^ftp: 1440 20% 10080 > refresh_pattern ^gopher: 1440 0% 1440 > refresh_pattern . 0 20% 4320 > acl all src 0.0.0.0/0.0.0.0 > acl manager proto cache_object > acl to_localhost dst 127.0.0.0/8 > acl SSL_ports port 443 563 > acl Safe_ports port 80 # http > acl Safe_ports port 21 # ftp > acl Safe_ports port 443 563 # https, snews > acl Safe_ports port 70 # gopher > acl Safe_ports port 210 # wais > acl Safe_ports port 1025-65535 # unregistered ports > acl Safe_ports port 280 # http-mgmt > acl Safe_ports port 488 # gss-http > acl Safe_ports port 591 # filemaker > acl Safe_ports port 777 # multiling http > acl CONNECT method CONNECT > http_access allow manager localhost > http_access deny manager > http_access deny !Safe_ports > http_access deny CONNECT !SSL_ports > acl our_networks src 10.0.0.0/8 172.16.0.0/12 192.168.0.0/16 > http_access allow our_networks > http_access deny all > http_reply_access allow all > icp_access allow all > cache_mgr "" > cache_effective_user squid > cache_effective_group squid > visible_hostname "" > err_html_text toot@xxxxxxxxx > forwarded_for off > cachemgr_passwd ******* > error_directory /usr/local/squid/share/errors/French > coredump_dir /usr/local/squid/var/cache > > --- > > > What is the machine doing when it is in this state. Is anything logged > > in cache.log, anything relevant in syslog? > > Says too much file open in the cache or something like that. > > --- > > I'm up to try anything > Thanks in advance! > To the last message some line of my config files are missing.. this is my total squid.conf : hierarchy_stoplist cgi-bin ? acl MS dstdomain .windowsupdate.com .windowsupdate.microsoft.com .windows.com acl QUERY urlpath_regex cgi-bin \? no_cache deny QUERY no_cache deny MS cache_mem 100 MB cache_dir aufs /opt2/squid-cache/ 5000 16 256 cache_access_log /opt2/squid-logs/access.log cache_log /opt2/squid-logs/cache.log cache_store_log /opt2/squid-logs/store.log pid_filename /opt2/squid-logs/squid.pid > redirect_program /usr/local/squid/bin/zapchain /usr/local/squid/bin/squidGuard > "/usr/local/squid/bin/SquidClamAV_Redirector.py > -c /usr/local/squid/etc/SquidClamAV_Redirector.conf" > redirect_children 30 > acl localhost src 127.0.0.1/255.255.255.255 > acl proxycsbf src 10.0.10.15/255.255.255.255 > redirector_access deny proxycsbf > redirector_access deny localhost > auth_param basic children 5 > auth_param basic realm Squid proxy-caching web server > auth_param basic credentialsttl 2 hours > auth_param basic casesensitive off > refresh_pattern ^ftp: 1440 20% 10080 > refresh_pattern ^gopher: 1440 0% 1440 > refresh_pattern . 0 20% 4320 > acl all src 0.0.0.0/0.0.0.0 > acl manager proto cache_object > acl to_localhost dst 127.0.0.0/8 > acl SSL_ports port 443 563 > acl Safe_ports port 80 # http > acl Safe_ports port 21 # ftp > acl Safe_ports port 443 563 # https, snews > acl Safe_ports port 70 # gopher > acl Safe_ports port 210 # wais > acl Safe_ports port 1025-65535 # unregistered ports > acl Safe_ports port 280 # http-mgmt > acl Safe_ports port 488 # gss-http > acl Safe_ports port 591 # filemaker > acl Safe_ports port 777 # multiling http > acl CONNECT method CONNECT > http_access allow manager localhost > http_access deny manager > http_access deny !Safe_ports > http_access deny CONNECT !SSL_ports > acl our_networks src 10.0.0.0/8 172.16.0.0/12 192.168.0.0/16 > http_access allow our_networks > http_access deny all > http_reply_access allow all > icp_access allow all > cache_mgr "" > cache_effective_user squid > cache_effective_group squid > visible_hostname "" > err_html_text toot@xxxxxxxxx > forwarded_for off > cachemgr_passwd ******* > error_directory /usr/local/squid/share/errors/French > coredump_dir /usr/local/squid/var/cache
