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Subject: Re: [ext3][kernels >= 2.6.20.7 at least] KDE going comatose when
	FS is under heavy write load (massive starvation)
From: Mike Galbraith <efault@gmx.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
       Andrew Morton <akpm@linux-foundation.org>,
       Jens Axboe <jens.axboe@oracle.com>
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	 <alpine.LFD.0.98.0704270806230.9964@woody.linux-foundation.org>
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Date: Sat, 28 Apr 2007 06:25:05 +0200
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On Fri, 2007-04-27 at 08:18 -0700, Linus Torvalds wrote:

> Actually, you don't need to apply the patch - just do
> 
> 	echo 5 > /proc/sys/vm/dirty_background_ratio
> 	echo 10 > /proc/sys/vm/dirty_ratio

That seems to have done the trick.  Amarok and GUI aren't exactly speed
demons while writeout is happening, but they are not hanging for
eternities.

	-Mike