As far as I know, varnish does this by default? To expire content you have to serve proper expire and last-modified headers. Some (dynamic) applications sets inproper or even non of those headers at all.
=================== @Martin Boer (DTCH) Neem ff contact met mij op via email. Ik heb redelijk wat ervarting opgeboewd met varnish en kan je mogelijk van dienst zijn. =================== Reagrds, Henry -----Original Message----- From: varnish-misc-boun...@projects.linpro.no [mailto:varnish-misc-boun...@projects.linpro.no] On Behalf Of Rob S Sent: dinsdag 19 januari 2010 9:23 To: Martin Boer Cc: Varnish misc Subject: Re: feature request cache refresh Martin Boer wrote: > I would like to see the following feature in varnish; > during the grace period varnish will serve requests from the cache but > simultaniously does a backend request and stores the new object. > This would also be of interest to us. I'm not sure if it's best to have a parameter to vary the behaviour of 'grace', or to have an additional parameter for "max age of stale content to serve". > If anyone has a workable workaround to achieve the same results I'm very > interested. > Anyone? Rob _______________________________________________ varnish-misc mailing list varnish-misc@projects.linpro.no http://projects.linpro.no/mailman/listinfo/varnish-misc _______________________________________________ varnish-misc mailing list varnish-misc@projects.linpro.no http://projects.linpro.no/mailman/listinfo/varnish-misc