feature request cache refresh

Henry Paulissen h.paulissen at qbell.nl
Tue Jan 19 11:38:22 CET 2010

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

@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.

-----Original Message-----
From: varnish-misc-bounces at projects.linpro.no
[mailto:varnish-misc-bounces at 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.

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