Keeping object in cache regardless of max-age

Anders Daljord Morken anders at
Wed Apr 10 08:41:40 CEST 2013

On Wed, Apr 10, 2013 at 1:15 AM, Blake Crosby <blake.crosby at> wrote:

> Is it possible for Varnish to keep the object in cache past its TTL
> and if a future request is made for that object (which is now expired)
> that varnish will issue a If-Modified-Since (IMS) request. If the
> origin returns a 304 Not-Modified Varnish will serve the object from
> cache and reset the TTL counter?

Possible, well, sort of. Some work has been made on this, but it hasn't
been merged into mainline, let alone released.

See for
more information. The Varnish devs may have more information, but I don't
think we can expect a timeline commitment yet.

- at M
 "Sooner or later we're going to run out of things to go wrong, and
then it'll work great." - Jamie Hyneman, The Mythbusters
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