Conditional Backend Request with stale objects

[Paulo Paracatu]

There is a patch to do this: Backend Conditional Requests
https://www.varnish-cache.org/trac/wiki/BackendConditionalRequests

But I don't really know the status of it. I don't see anyone talking about
it here since few months ago.

2012/6/13 Claudio Devecchi <cdevecchi at gmail.com>

> Hello Everybody,
>
> I'm using varnish 3.0.2 and I need to do the following:
>
> For example:
>
> - I have a object with ttl 5m, after this time, when I receive a new
> request, it pass to backend and backend returns a 200 code, putting the
> object in cache again.
>
> My problem is:
>
> - I want to varnish to check in backend if the object was modified or not
>   - if modified ok, I get a 200 and everything continues
>   - if not modified, I want varnish to check the backend and receive a
> 304, keeping the object on cache like before.
>
> Somebody could help me with this?
>
> Tks
> Claudio
>
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