best way to not cache large files?

[Chris Hecker]

I'm not sure I understand.  I have control over the back end, the front 
end, the middle end, all the ends.  However, I thought the problem was 
there was no way to get varnish to read the header without loading the 
file into the cache?  If that's not true, then shouldn't Content-Length 
be enough?

Chris

On 2011/03/15 13:16, Ken Brownfield wrote:
> I'm assuming that in this case it's not possible for you to have the
> backend server emit an appropriate Cache-Control or Expires header based
> on the size of the file?  The server itself will know the file size
> before transmission, and the reindeer caching games would not be
> necessary. ;-)
>
> That's definitely the Right Way, but it would require control over the
> backend, which is often not possible.  Apache unfortunately doesn't have
> a built-in mechanism/module to emit a header based on file size, at
> least that I can find. :-(
> --
> kb
>
>
>
> On Tue, Mar 15, 2011 at 00:42, Chris Hecker <checker at d6.com
> <mailto:checker at d6.com>> wrote:
>
>
>     Yeah, I think if I can't do it Right (which I define as checking the
>     file size in the vcl), then I'm just going to make
>     blah.com/uncached/* <http://blah.com/uncached/*> be uncached.  I
>     don't want to transfer it once just to throw it away.
>
>     Chris
>
>
>
>     On 2011/03/15 00:40, Martin Boer wrote:
>
>         I've been reading this discussion and imho the most elegant way
>         to do it
>         is to have a upload directory X and 2 download directories Y and
>         Z with
>         a script in between that decides whether it's cacheable and move the
>         file to Y or uncacheable and put it in Z.
>         All the other solutions mentioned in between are far more
>         intelligent
>         and much more likely to backfire in some way or another.
>
>         Just my 2 cents.
>         Martin
>
>
>         On 03/13/2011 05:28 AM, Chris Hecker wrote:
>
>
>             I have a 400mb file that I just want apache to serve. What's
>             the best
>             way to do this? I can put it in a directory and tell varnish
>             not to
>             cache stuff that matches that dir, but I'd rather just make
>             a general
>             rule that varnish should ignore >=20mb files or whatever.
>
>             Thanks,
>             Chris
>
>
>             _______________________________________________
>             varnish-misc mailing list
>             varnish-misc at varnish-cache.org
>             <mailto:varnish-misc at varnish-cache.org>
>             http://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
>
>
>
>
>
>     _______________________________________________
>     varnish-misc mailing list
>     varnish-misc at varnish-cache.org <mailto:varnish-misc at varnish-cache.org>
>     http://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
>
>
>
>
> _______________________________________________
> varnish-misc mailing list
> varnish-misc at varnish-cache.org
> http://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc