[squid-users] Antwort: Re: [squid-users] Fw: multiple A records with squid

Hi Guido,

thank you for your help and reply!

Somehow I missed that option when searching for that at
www.squid-cache.org.
I was looking for options with "DNS" in the name :-)

Regards,
Martin

Guido Serassio <guido.serassio_at_acmeconsulting.it> wrote on 15.04.2009
13:04:33:

> Hi,
>
> At 09.01 15/04/2009, Martin.Pichlmaier_at_continental-corporation.com
wrote:
> >Hello all,
> >
> >some of my users complain that a page (www.bestjobs.ro) with cookies
and
> >some other stuff hangs sometimes,
> >returns "Connection reset by peer" and so on.
> >Some problems can be resolved by reloading the page, some can not.
> >The pages that make problems are not the normal ones but after logging
in
> >and using some of the
> >"more advanced features" of the web server regarding commenting to some
of
> >the information there.
> >If the users access the web server without squid -- directly connected
to
> >the internet -- it all works.
> >
> >It seems to me that the problems have something to do with DNS;
> >www.bestjobs.ro returns not
> >one but 5 IPv4 addresses.
> >With Windows XP and no proxy the browser always uses only one IP;
> >squid -- I use version 3.0-STABLE 11 on RedHat AS 5 -- uses all 5 IPs
in a
> >round-robin fashion.
> >The web servers do not serve static but dynamic pages and therefore I
> >think the requests _should_
> >always go to the same IP address. But the load balancing probably makes
> >the problems.
> >
> >I am fully aware that the problem is not the fault of squid but of the
DNS
> >loadbalancing of the web servers.
> >Nevertheless I have to provide a solution...
> >
> >Is there a parameter within squid to change the behaviour of DNS load
> >balancing when there
> >is more than one IP in a DNS response?
> >I do not want to disable load balancing but put a "on hold" parameter
so
> >that squid uses the
> >same IP maybe a minute and then switches to the next IP and uses that
for
> >the next one minute
> >and not a different IP for every request.
> >Even better would be a source address affinity -- for one client all
> >requests go to IP 1 of the pool,
> >the next client is routed over squid to IP 2 and so on.
> >
> >Is there a solution to that?
>
> Sure, try:
>
http://www.squid-cache.org/Versions/v3/3.0/cfgman/balance_on_multiple_ip.html
>
> Regards
>
> Guido
>
>
>
> -
> ========================================================
> Guido Serassio
> Acme Consulting S.r.l. - Microsoft Certified Partner
> Via Lucia Savarino, 1 10098 - Rivoli (TO) - ITALY
> Tel. : +39.011.9530135 Fax. : +39.011.9781115
> Email: guido.serassio_at_acmeconsulting.it
> WWW: http://www.acmeconsulting.it/
>
Received on Wed Apr 15 2009 - 11:31:13 MDT