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Re: [Gnu-arch-users] [wishlist] Request no-cache when reading .listing f
From: |
Jan Hudec |
Subject: |
Re: [Gnu-arch-users] [wishlist] Request no-cache when reading .listing files |
Date: |
Sat, 6 Sep 2003 10:41:54 +0200 |
User-agent: |
Mutt/1.5.4i |
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.
-------------------------------------------------------------------------------
Jan 'Bulb' Hudec
<address@hidden>