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Date: Mon, 15 Sep 2003 07:45:49 +0200 (SAST)
From: Irvine Short <irvine@sanbi.ac.za>
To: Doug White <dwhite@gumbysoft.com>
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Subject: Re: Large memory issues on 4-STABLE
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On Sun, 14 Sep 2003, Doug White wrote:

> > However we have a situation where if I set MAXDSIZ to 2048 or above then
> > things break, so FreeBSD right now has an effectivce limit of 2GB per
> > process.
> >
> > Is this to be considered a bug or a feature?
>
> I'd have to say feature. The kernel placement and user/kernel boundary
> sizing is part of FreeBSD and the 4GB limit for both kernel and user is a
> restriction of the processor architecture.

Thanks for the definitive reply!

> > This is relevant to the work we're doing - some of my users actually
> > really do need this amount of memory.
>
> If this is the case then you should consider a 64 bit architecture, like
> ia64, sparc64, or amd64 (Opteron).

Aah, but at the mo the 32bit systems are way way cheaper...

--

Irvine Short

Sys Admin
SANBI, University of the Western Cape, South Africa
http://www.sanbi.ac.za
tel: +27-21-959 3645
cel: +27-82-494 3828