linux-kernel - Re: [PATCH 00/32] Swap over NFS

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Message-Id: <1222981149.6129.136.camel@lts-notebook>
Date:	Thu, 02 Oct 2008 16:59:09 -0400
From:	Lee Schermerhorn <Lee.Schermerhorn@...com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	netdev@...r.kernel.org, trond.myklebust@....uio.no,
	Daniel Lezcano <dlezcano@...ibm.com>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Neil Brown <neilb@...e.de>, David Miller <davem@...emloft.net>
Subject: Re: [PATCH 00/32] Swap over NFS - v19

On Thu, 2008-10-02 at 12:47 -0700, Andrew Morton wrote:
> On Thu, 02 Oct 2008 15:05:04 +0200 Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:
> 
> > Let's get this ball rolling...
> 
> I don't think we're really able to get any MM balls rolling until we
> get all the split-LRU stuff landed.  Is anyone testing it?  Is it good?

Andrew:

Up until the mailing list traffic and patches slowed down, I was testing
it continuously with a heavy stress load that would bring the system to
its knees before the splitlru and unevictable changes.  When it would
run for days without error [96 hours was my max run] and no further
patches came, I've concentrated on other things.

Rik and Kosaki-san have run some performance oriented tests, reported
here a while back.  Maybe they have more info.

Lee

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