Maxim Dounin Wrote:
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> 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?
>
> --
> Maxim Dounin
> http://nginx.org/en/donation.html
>
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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.

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Dmitry Sukhov
quoter@yandex-team.ru