Re: [Lse-tech] Re: maximum possible memory limit ..

From: Dave Hansen (haveblue@us.ibm.com)
Date: Mon Apr 28 2003 - 12:26:55 EST

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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

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