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From Stefano Mazzocchi <stef...@apache.org>
Subject Re: don't cache - validate
Date Mon, 24 Jan 2000 22:00:27 GMT
Hannes Haug wrote:
> 
> Pierpaolo Fumagalli wrote:
> >
> > The cache IS essential. We're not talking about proxying issues (these
> > are totally unrelated) but about caching those things that don't need to
> > be re-generated. And in this case, caching is a must.
> 
> We could use proxies for caching.
> Of course they are not totally unrelated.
> 
> See http://www.squid-cache.org/Doc/FAQ/FAQ-20.html and
> ftp://ftp.isi.edu/in-notes/rfc2616.txt section 13 "Caching in HTTP"
> 
> Information goes more or less this way:
> file system -> servlet engine -> web server -> browser
> Why should we cache the servlet engine stuff if
> we can cache the web server or even browser stuff.

Because only Cocoon knows (hell, not even Cocoon sometimes! see external
entities) if the cached data is valid.

I'm more than willing to add http headers to improve external caching,
but this does not reduce the needs for an inside cache at all.

-- 
Stefano Mazzocchi      One must still have chaos in oneself to be
                          able to give birth to a dancing star.
<stefano@apache.org>                             Friedrich Nietzsche
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