Re: cache hit rates

From: Alex Rousskov <>
Date: Thu, 21 Jan 1999 18:32:57 -0700 (MST)

On Thu, Jan 21, 1999 at 12:16:02PM -0500, Jon Zeeff wrote:
> Does anyone have data on the % of Internet web traffic that is
> cachable? Ie, an upper bound on what a perfect cache hit rate might
> be.

They say 20-25%. Also see
for a cool experiment related to your question.

> Is it decreasing as more sites generate dynamic content?

First, how do you know that more sites generate dynamic content? Second,
increasing user population may compensate (or not) for dynamic content
increase if any. It all depends on numerous factors, as always :)



P.S. Note that Miss Ratio is not the same as portion of uncachable traffic,
it is only an upper bound for a given cache.
Received on Thu Jan 21 1999 - 18:17:39 MST

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