Load Balancing and Varnish

[Per Buer]

Hi.

Varnish can do that. VCL is a powerful thing. Use the client director and
set client.identity to req.url.

It might be that "client.identity" is a bad name. Maybe it should be
renamed.

Per.

On Tue, Jun 26, 2012 at 10:24 PM, Jean-Christian BEDIER <jc.bedier at gmail.com
> wrote:

> Real loadbalancer offer more functionality, like hash uri for sticky
> on specific varnish and reduce cache objet redundancy.
>
> On Tue, Jun 26, 2012 at 7:57 PM, Allan Brand <allan.brand at gmail.com>
> wrote:
> > Thanks!  Does Varnish support least-connections or weighted
> > least-connections load balancing?
> >
> > Also, in the scenario of placing a LB in front of Varnish, is the
> > Varnish host a dedicated machine or is it running locally on the web
> > servers?
> >
> > Allan
> >
> > On Tue, Jun 26, 2012 at 12:40 PM, Hugo Cisneiros (Eitch)
> > <hugo.cisneiros at gmail.com> wrote:
> >> On Tue, Jun 26, 2012 at 1:46 PM, Allan Brand <allan.brand at gmail.com>
> wrote:
> >>> I'm new to Varnish and I've seen a number of discussions where Varnish
> >>> is used in conjunction with a load balancer in the following manner:
> >>> [LB] -> [Varnish] -> [www 1-n]
> >>>
> >>> I'm guessing that Varnish is running locally on the www hosts?  If
> >>> not, Is there any reason why placing Varnish in front of the load
> >>> balancers instead would not be ideal?
> >>> [Varnish] -> [LB} -> [www 1-n]
> >>
> >> Usually you use LB in front of varnish for high availability cases.
> >> Then, if a varnish fails, the other will take over all the work.
> >>
> >> But there's no problem using Varnish as a load balancer as it does a
> >> great job, as others said in this thread. But you must pay attention
> >> to the fail over/load balancing on the varnish as well :-)
> >>
> >> --
> >> []'s
> >> Hugo
> >> www.devin.com.br
> >>
> >> _______________________________________________
> >> varnish-misc mailing list
> >> varnish-misc at varnish-cache.org
> >> https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
> >
> >
> >
> > --
> > ---------------------------------------
> > Allan
> > (208) 977-6014 (eFax)
> >
> > _______________________________________________
> > varnish-misc mailing list
> > varnish-misc at varnish-cache.org
> > https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
>
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>



-- 
Per Buer
Phone: +47 21 98 92 61 / Mobile: +47 958 39 117 / Skype: per.buer
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