RE: Degrading Hit Ratios

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Are (some of) your users going to the parent directly? If so, then
the hits will be less on the small cache as it is being circumvented.

Of course, are you looking at the _total_ hits? Now you've split
things into two, the parent cache will get less hits as most of the
hits will be satisfied by the child cache. To find out the overall
hit ratio, you have to add the hits of the child cache to the hits of
the parent cache, and divide this by the number of requests of the
child cache (unless there are other caches in the hierarchy).

I imagine you are doing this to save memory. Certainly I've already
been stung by the multiple IE4 downloads from different sites!

Jonathan L.

Origin, 323 Cambridge Science Park,Cambridge,UK. Tel:+44 (1223)
423355
 ---[ It is impossible to enjoy idling thoroughly unless one has ]---
 ------------[ plenty of work to do - Jerome K. Jerome ]-------------
Fight spam! http://spam.abuse.net/ These opinions are all my fault

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From: fatman
Sent: 14 October 1997 13:42
To: squid-users@nlanr.net
Subject: Degrading Hit Ratios

Hi,

I've noticed since i moved as a tempory fix from one large cache to
two
caches one a small VM with a larger NOVM as a parent, that my hit
ratios
have been falling through the floor. Can this be traced to the
change in
proxy heirachy, or is it simply a change in the taste of my users?

T
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Received on Tue Oct 14 1997 - 06:14:32 MDT