Mailing List CGatePro@mail.stalker.com Message #94687
From: Todd Schuldt <tschuld@kirkwood.edu>
Subject: RE: MAx RAM in a system
Date: Thu, 10 Apr 2008 14:56:22 -0500
To: 'CommuniGate Pro Discussions' <CGatePro@mail.stalker.com>
Which OS - Windows?  Linux?

If Windows:
From http://www.microsoft.com/technet/windowsserver/evaluate/features/compare.mspx

I don't remember off the top of my head if Microsoft's SMP rating is per socket or per core.

32-bit
Standard Server 2003 SP2 & R2:  4G & 4-way SMP processing
Enterprise Server 2003 SP2 & R2:  32G & 8-way SMP processing

64-bit:
Standard Server 2003 SP2 & R2:  32G & 4-way SMP processing
Enterprise Server 2003 SP2 & R2:  2048G & 8-way SMP processing

If Linux - I run 16G easily on 32-bit RedHat AS with 4 AMD cores on my Oracle box.  Have to change kernel parameters for up to 32G.

Todd Schuldt
Senior System Administrator
Kirkwood Community College
(319) 398-5899 x5763


-----Original Message-----
From: CommuniGate Pro Discussions [mailto:CGatePro@mail.stalker.com] On Behalf Of David Brookfield
Sent: Thursday, April 10, 2008 1:13 PM
To: CommuniGate Pro Discussions
Subject: MAx RAM in a system

Hi there guys, We've had some OS based questions, but I'm interested in
what amount of RAM, now I know if you have a 32 bit system you're
limited to 3 and a half-ish and that this changes if you go to 64 bit,
but I'm wondering if CGP has a limit itself? or does this change with
OS, currently we're running FreeBsd and it's rock solid, in two and a
half years I've only had to down it once and that was so I could move it
to another rack. Currently we're running 5.0.13 and the thing is only
using 186MB and we've got 70 users, the reason I ask this is I'm
thinking of replacing the thing it's on  ( DL 360 series 1) with one of
Dell's 1 U offerings which are pretty cheap at the mo, and no point
getting a stack of RAM if the thing won't use it.

Cheers

David

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