Re: [Gnu-arch-users] [wishlist] Request no-cache when reading .listing files

[Jan Hudec]

On Sat, Sep 06, 2003 at 11:51:13 +1000, Robert Collins wrote:
> On Sat, 2003-09-06 at 05:01, Jan Hudec wrote:
> 
> > For these people, it would be really good, if tla could make requests
> > for .listing files, and only these files, with the
> > Cache-Control: max-age=0
> > header. All the other files in archive are never modified, so it safe
> > (and good) to cache them.
> 
> max-age=0 may impede performance significantly. As .listing files are
> only used on mirrors or read only archives, something like max-age=120
> would achieve the same goal - noticing changes in a reasonable time, but
> wouldn't force a full read every single request - and there may be
> multiple requests in a single tla session...

That sounds reasonable.

> Also, note that some proxies are not HTTP/1.1 aware and will simply
> ignore max-age directives.

If I understand that correctly, it also means, that they won't honor
"Force Reload" requests from browsers. Well, that's a very good reason
to complain to the cache administrator.

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                                                 Jan 'Bulb' Hudec 
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