Re: Cache server.

From: Ian Cooper <>
Date: Fri, 04 Jul 1997 13:36:38 GMT

On Fri, 04 Jul 1997 11:42:59 +0100, Leigh Porter wrote:

>Not being experianced with cache server demands, would this
>be a good spec for a heavily used server to sit on a Global Network?
>MicroWay DEC Alpha "Screamer" Mboard
>500Mhz DEC Alpha CPU
>256Mb Ram
>Adaptech 3940 UW Dual Channel SCSI Controller
>4 4.5Gb HDD's (One for /, logs, etc and 3 for cache spool)
>Drives run at 5,400 RPM
>Does that general spec sound good?

Hmmm... the memory you're suggesting sounds a little bit on the low
side. Depending on the amount of traffic you're going to see, I would
say that fitting the URL->filename mapping for 13.5GB cache, as well
as details for all pending transactions, into 256MB RAM would be
pushing it. Remember that if you're running the standard version of
Squid, you'll need enough memory to store the entire contents of every
pending request (and some of those can be *BIG*) as well as the normal
overheads that the cache software requires.


Ian Cooper, Technical Manager       e-mail:
Mirror Image Internet (UK) Ltd.        tel: +44 (0)171 712 1515
1 Canada Square, Canary Wharf          fax: +44 (0)171 712 1615
London  E14 5DY                     mobile: +44 (0)966 285 145
Received on Fri Jul 04 1997 - 08:26:42 MDT

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