Wow, great answer :-)
My situation falls into the last category (Dans putting a bit of a strain on
the CPU but with a fast link to outside), so I shall cache on A and B.
Some of our sites have a slow link to outside, so if the lab box works well
enough I shall employ a cache on all three for these other sites.
Thanks for your help, Chris!
--- On Thu 01/11, Chris Robertson < [EMAIL PROTECTED] > wrote:
From: Chris Robertson [mailto: [EMAIL PROTECTED]
To:
Cc: [email protected]
Date: Thu, 11 Jan 2007 15:36:27 -0900
Subject: Re: [squid-users] Most efficient cache method
John Halfpenny wrote:> Hi all.>> I have 3 squids running on one server:>> A
----\> * ---- C> B ----/>> A and B are for NT authent, * denotes
dansguardian, and C is the squid for dansguardian to run on.>> Would I be
better off speedwise caching at A and B or at the parent C? Or at all three?
:-)>> Thanks for the endless support>> John>>> It seems to me, there is not
enough data to give a single valid answer.Assuming the box is not being
stressed by the Dan's Guardian filtering, you would be best served by caching
on "C". Cache able requests made through "A" will be served from cache when
the same request is made through "B". Requests that are not allowed by either
will not be cached. Requests that are only allowed to "A" will still only be
accessible from "A". Cached content will only be stored in one place ("C's"
data store) making the best use of space.If DG is putting undue strain on your
CPU, AND you have a slow/expensive link to the outside world, cache on
all three. Fewer requests will hit DG, and those that do will have a greater
chance of being cached on "C" by the partner auth server's request. This setup
will cache the least amount of unique content.If DG is putting strain on your
CPU but you have a fast link to the outside, only cache on "A" and "B". That
will even further reduce the load on DG (as the space allocated to "C" would be
split among "A" and "B", giving them better hit ratios).Chris
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