Re: [squid-users] Squid stops answering requests..

Marc Schmidt wrote:
>
> hihi :-),
>
> sorry, it's probably my fault.
>
> again:
> all i need are some good - already tested - values for a bunch of
> configuration parameters of the
> squid.conf, so that squid will not stop working when i run 20
> simultanous clients against it.
> this can't be too difficult???
 
 Depends, system related issues could be the cause of this too.
 Check process mem. size and swap usage , etc.
 
 Since you say there's nothing in cache.log, also check 'dmesg' output
 on the box and /var/log/messages , check for suspicous errors.

 M.

>
> thanks marc
>
> Marc Elsen wrote:
>
> >Marc Schmidt wrote:
> >
> >
> >>thanx for the fast reply! .-)
> >>
> >>the version is 2.4 stable 7
> >>
> >>the access.log reports round about 500 up to 1000 requests than it
> >>hangs.
> >>
> >>there is nothing reported in the cache.log
> >>
> >>actually i did set up a few things in the squid.conf. http_port and a
> >>few other
> >>things are among these changes as well, but i have not changed
> >>anything in terms
> >>of object sizes. squid is configured to not cache anything
> >>( acl all src 0/0
> >> no_cache deny all
> >>)
> >>in the no_cache section. that is the only important thing to mention.
> >>
> >>one thing i have encountered after inspecting the log files from
> >>apache. (the requested url)
> >>long time after squid stopped working there are a couple of requests
> >>appearing
> >>in the access.log from apache:
> >>
> >>"IP-blablabla" - - [12/Feb/2003:13:37:01 +0100] "-" 408 -
> >>"IP-blablabla" - - [12/Feb/2003:13:37:01 +0100] "-" 408 -
> >>"IP-blablabla" - - [12/Feb/2003:13:37:01 +0100] "-" 408 -
> >>"IP-blablabla" - - [12/Feb/2003:13:37:01 +0100] "-" 408 -
> >>"IP-blablabla" - - [12/Feb/2003:13:37:01 +0100] "-" 408 -
> >>
> >>this means squid did open a socket but didn't send a request, right?
> >>that's why there is
> >>a 408 (timeout).
> >>
> >>
> >
> > All of this I don't understand completely (my fault , probably :-).
> > Are you testing an accelerator setup ?
> >
> > M.
> >
> >
> >
> >>ok, but this doesn't help me. i need a hook from somebody where to
> >>start reconfiguring
> >>the proxy
> >>
> >>cheers marc
> >>
> >>Marc Elsen wrote:
> >>
> >>
> >>
> >>>Marc Schmidt wrote:
> >>>
> >>>
> >>>
> >>>
> >>>>hi all,
> >>>>
> >>>>after writing and starting a little performance test client and
> >>>>running
> >>>>it against squid,
> >>>>the poor little fish stops doing what he is supposed to do:
> >>>>serving the
> >>>>requests.
> >>>>
> >>>>the setting is something like this:
> >>>>the test client is written in java (using jdk1.4.0)
> >>>>there are 20 threads (each simulating a web client)
> >>>>each thread requests 50 times the same url
> >>>>the os is linux suse 7.3
> >>>>the squid configuration is the one that gets shipped (standard
> >>>>squid.conf)
> >>>>
> >>>>when using 20 threads with 10 iterations per thread everything is
> >>>>fine.
> >>>>
> >>>>so, for my five pens this is more or less a configuration issue.
> >>>>isn't it?
> >>>>
> >>>>anybody out there with a proper squid.conf file that is prepared
> >>>>to
> >>>>startup squid in
> >>>>a high performance mode? or does anybody know what conf parameters
> >>>>to screw?
> >>>>
> >>>>help's appreciated
> >>>>
> >>>>cheers marc
> >>>>
> >>>>
> >>>>
> >>>>
> >>> Which version of squid are you testing ?
> >>>
> >>> What's in access.log during the problem test window ?
> >>>
> >>> More important : anything in cache.log ,during the problem phase ?
> >>>
> >>> There is no high performance mode squid.conf so to speak, because
> >>> squid is always high performant...
> >>>
> >>> A standard squid.conf as shipped can not work I think,
> >>> at least a listening port for requests must be specified.
> >>>
> >>> What about cache sizes used etc ?
> >>>
> >>>
> >>>
> >>> M.
> >>>
> >>>
> >>>
> >>>
> >>>
> >
> >
> >

-- 
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 General Relativity is a direct consequence of QM
 (M.E. Mar 2002)