Varnish bypassing cache when if-modified-since header present?
phk at phk.freebsd.dk
Mon Jul 2 21:07:24 CEST 2007
In message <20070702182201.GF5005 at boom.net>, Mike Hedlund writes:
> I've been playing with varnish for the last few days, trying
>to eval it as a squid replacement my image serving farm. I enabled
>it on one of the squids friday (replacing 2 seperate squid processes
>on a single server), and seen pretty awesome results:
That's a pretty typical experience :-)
>[...] varnish config is always re-validating
>if-modified-since headers (when supplied by the client)[...]
This shouldn't happen, but there is on case where it will: if your
varnish and backend don't agree what time it is.
Could you check that ?
If you want to fill in some debugging look for "res_do_304" in
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