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Date:      Mon, 08 Jul 2002 19:30:20 -0700
From:      Peter Wemm <peter@wemm.org>
To:        Chuck Robey <chuckr@chuckr.org>
Cc:        FreeBSD Hackers List <freebsd-hackers@FreeBSD.ORG>
Subject:   Re: swap & huge mem systems 
Message-ID:  <20020709023020.99CFB3808@overcee.wemm.org>
In-Reply-To: <20020708212522.N945-100000@april.chuckr.org> 

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Chuck Robey wrote:
> Nowadays, what with the price of fast memory at such low levels, I'm
> buying more memory than I really need, just because it's *so* cheap, the
> price has gone up before, and it's possible (maybe likely) that next
> year's popular new app will need the memory.  I'm probably not alone in
> doing this.  It's causing me to wonder about how much swap to allocate.
> 
> I used to follow the rule that I dedicate twice as much disk memory to
> swap as I have RAM.  Now, with my new system, I'm getting a gig of RAM,
> but it seems ridiculous to dedicate 2G of disk to swap.  Under these
> conditions, what's the real bottom limit (if you have one gig of RAM) for
> how much swap you can get away with?  One Gig?  Less?

Always have enough space reserved so that you can take a crashdump.  You
will be regretting it someday if you do not.  Allowing for memory upgrades
is a factor here too.

Cheers,
-Peter
--
Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com
"All of this is for nothing if we don't go to the stars" - JMS/B5


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