linux-kernel - Re: sluggish system responsiveness under higher IO load

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Date:	Fri, 6 Oct 2006 17:58:33 +0200
From:	Paolo Ornati <ornati@...twebnet.it>
To:	Matthias Dahl <mlkernel@...tal-soul.de>
Cc:	Jens Axboe <axboe@...e.de>, linux-kernel@...r.kernel.org
Subject: Re: sluggish system responsiveness under higher IO load

On Sun, 13 Aug 2006 18:15:12 +0200
Matthias Dahl <mlkernel@...tal-soul.de> wrote:

> Just let me know once you got them, so I can safely delete them again.
> 
> At the moment, I am trying without preemption but for example doing a untar 
> kernel sources still results in sluggish system responsiveness. :-(

I used to have this type of problem and 2.6.19-rc1 looks much better
than 2.6.18.

I'm using CONFIG_PREEMPT + CONFIG_PREEMPT_BKL, CFQ i/o scheduler
and /proc/sys/vm/swappiness = 20.

-- 
	Paolo Ornati
	Linux 2.6.19-rc1 on x86_64
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