linux-kernel - Re: The performance and behaviour of the anti-fragmentation related patches

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Date:	Fri, 02 Mar 2007 14:51:16 -0800
From:	Martin Bligh <mbligh@...igh.org>
To:	Rik van Riel <riel@...hat.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Bill Irwin <bill.irwin@...cle.com>,
	Christoph Lameter <clameter@...r.sgi.com>,
	Mel Gorman <mel@...net.ie>, npiggin@...e.de, mingo@...e.hu,
	jschopp@...tin.ibm.com, arjan@...radead.org,
	torvalds@...ux-foundation.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: The performance and behaviour of the anti-fragmentation related
 patches

>> None of this is going anywhere, is is it?
> 
> I will test my changes before I send them to you, but I cannot
> promise you that you'll have the computers or software needed
> to reproduce the problems.  I doubt I'll have full time access
> to such systems myself, either.
> 
> 32GB is pretty much the minimum size to reproduce some of these
> problems. Some workloads may need larger systems to easily trigger
> them.

We can find a 32GB system here pretty easily to test things on if
need be.  Setting up large commercial databases is much harder.

I don't have such a machine in the public set of machines we're going
to push to test.kernel.org from at the moment, but will see if I can
arrange it in the future if it's important.

M.
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