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Re: cache statistics
----- Original Message -----
From: "Fred Douglis" <email@example.com>
Sent: Tuesday, January 09, 2001 1:47 PM
Subject: Re: cache statistics
> >I took a look at an ISPs forward proxy cache stats from about 300GB of
> >d have found the following:
> >A breakdown of the non cacheable stats shows:
> >Cookie in Response: 3.3%
> This is a hot button of mine, because I have seen this sort of
> breakdown on numerous occasions. Am I mistaken, or is a cookie
> in the *request* also *possibly* a reason why data might be
> uncachable in HTTP/1.0, while for 1.1, explicit cache headers
> are to be used and the presence of a cookie is deemed irrelevant?
i think because of the cookie in the request.....
> How did your data break down 1.0 v 1.1, and how many requests had
> cookies? I say that the request is sufficient because a request that
> identifies a user can get a user-specific response even if the
> reply doesn't include a cookie. However, I know there are many
> cases where caches choose to ignore that fact, and I recall hearing
> that some analysis showed that most content (at least images) will
> be the same regardless of the cookie.