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From: Dave Hansen <haveblue@us.ibm.com>
To: Andi Kleen <ak@suse.de>
Cc: Carl-Daniel Hailfinger <c-d.hailfinger.kernel.2003@gmx.net>,
	Henti Smith <bain@tcsn.co.za>,
	linux-kernel@vger.kernel.org, lse-tech@lists.sourceforge.net
Subject: Re: [Lse-tech] Re: maximum possible memory limit ..
Date: Mon, 28 Apr 2003 10:26:55 -0700	[thread overview]
Message-ID: <3EAD645F.8060301@us.ibm.com> (raw)
In-Reply-To: 20030428171455.GC1068@Wotan.suse.de

Andi Kleen wrote:
>>Let's say 32GB :)  It boots just fine with 2.5.68, no additional
>>patches.  There's even half a gig of lowmem free.
> 
> But what happens when you stress test it? No deadlocks?

Actually, it is pretty stable.  It OOM's a bit more easily, but that
isn't a surprise to anyone, especially with the smaller amount of
ZONE_NORMAL.  I routinely run kernel compiles for days on it with no
problems.

That is, of course, a NUMA-Q.  We're hoping to get a Summit box which is
just as big sometime soon.  It will be much more interesting.
-- 
Dave Hansen
haveblue@us.ibm.com


      reply	other threads:[~2003-04-28 17:15 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-04-24 18:05 maximum possible memory limit Henti Smith
2003-04-24 18:35 ` Valdis.Kletnieks
2003-04-28 13:08 ` Carl-Daniel Hailfinger
2003-04-28 14:10   ` [Lse-tech] " Andi Kleen
2003-04-28 15:11     ` Carl-Daniel Hailfinger
2003-04-28 15:16       ` Andi Kleen
2003-04-28 16:52         ` Dave Hansen
2003-04-28 16:58           ` Martin J. Bligh
2003-04-28 22:40             ` William Lee Irwin III
2003-04-28 23:50               ` Dave Jones
2003-04-29  0:00                 ` William Lee Irwin III
2003-04-29  0:06                   ` Dave Jones
2003-04-29  0:13                     ` William Lee Irwin III
2003-04-28 22:34           ` William Lee Irwin III
2003-04-28 22:33         ` William Lee Irwin III
2003-04-29  4:02         ` William Lee Irwin III
2003-04-28 16:45     ` Dave Hansen
2003-04-28 16:57       ` Carl-Daniel Hailfinger
2003-04-28 17:13         ` Andi Kleen
2003-04-28 17:53           ` David Mosberger
2003-04-28 18:31             ` Gerrit Huizenga
2003-04-28 19:05               ` David Mosberger
2003-04-28 17:16         ` Dave Hansen
2003-04-28 17:36           ` Carl-Daniel Hailfinger
2003-04-28 17:44             ` Andi Kleen
2003-04-28 22:43             ` William Lee Irwin III
2003-04-28 22:43           ` William Lee Irwin III
2003-04-28 18:57         ` Anton Blanchard
2003-04-28 17:14       ` Andi Kleen
2003-04-28 17:26         ` Dave Hansen [this message]

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