Hello!

On Wed, Jul 16, 2014 at 02:14:54AM -0400, quoter wrote:

> Maxim Dounin Wrote:
> -------------------------------------------------------
> > Normally you shouldn't cache 304 responses from a backend, but
> > rather cache 200 responses from a backend and let nginx to return
> > 304 by its own. This is how it works by default.
> >
> > Do you have problems with the default aproach?
>
> Yes I do have some problems with this approach. In our nginx config we use
> also option "fastcgi_cache_min_uses 5". So response body appears in cache
> only after 5 user requests. But for our production purposes it is extremely
> important to return 304 if client response has valid If-None-Match.

Yes, ..._cache_min_uses can lead to suboptimal behaviour in such a
case. It is planned to improve things to just pass If-* headers
if caching was disabled due to ..._cache_min_uses. No ETA though.

--
Maxim Dounin
http://nginx.org/

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