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@ootot.net 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!Received on Tue Apr 11 2006 - 08:25:45 MDT
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