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From Chuck Murcko <ch...@topsail.org>
Subject Re: mod_cache and the proxy.
Date Thu, 16 Nov 2000 19:50:33 GMT
Graham Leggett wrote:
> Letting the cache hander handle content negotiation inside itself
> prevents some kind of weird mapping between URLs and their multiple
> representations being necessary outside the cache. This can be hidden
> inside the cache engine, which could probably find a fast an efficient
> way of storing the entities so that telling them apart is easy to do.
> One of the broken assumptions of the previous mod_proxy was that there
> was only one object representation per URL. If different content was
> negotiated, the previous cache entry was invalidated when it need not
> have been.

Agreed. There was a lot of thrashing in the cache for this reason.
Chuck Murcko
Topsail Group

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