Re: 40% cache hit rates

From: Martin Gleeson <>
Date: Thu, 24 Oct 1996 09:13:47 +1000 (EST)

David J N Begley <> wrote:
>Speaking of 40% rates being "wierd" or "nice", you're going to *hate*
>this; but our averages are 40-50% (50+% on the odd occasion, record is
>well over 60% one weekend) on requests alone, 30-40% for traffic (TCP

We usually get 35-45% on requests, 40-50+% on bytes.

>Our cache is only a midget at 1.3Gb. :-)

Ours is a little bigger at 15Gb :-)

>We found "tuning" of ttl's (after watching the most hit sites/URLs in the
>daily stats) to do wonders for the hit rates. The number one site through
>our main proxy is "" (surprise, surprise), with a 98+%
>cache traffic hit rate (TCP bytes).

This certainly helped us a lot as well. We've set to 12 hours
ttl. How long do you give them?

Martin Gleeson Webmeister |
Information Technology Services | Email :
The University of Melbourne, Oz. | Opinions : Mine, all mine.
      "I hate quotations." -- Ralph Waldo Emerson, Journals (1843)
Received on Wed Oct 23 1996 - 16:05:28 MDT

This archive was generated by hypermail pre-2.1.9 : Tue Dec 09 2003 - 16:33:20 MST