linux-kernel - Re: [ext3][kernels >= 2.6.20.7 at least] KDE going comatose when FS is under heavy write load (massive starvation)

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Message-Id: <1177734305.6266.7.camel@Homer.simpson.net>
Date:	Sat, 28 Apr 2007 06:25:05 +0200
From:	Mike Galbraith <efault@....de>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jens Axboe <jens.axboe@...cle.com>
Subject: Re: [ext3][kernels >= 2.6.20.7 at least] KDE going comatose when
	FS is under heavy write load (massive starvation)

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

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