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From: Helge Hafting <helgehaf@aitel.hist.no>
To: Takashi Ikebe <ikebe.takashi@lab.ntt.co.jp>
Cc: Andrew Morton <akpm@osdl.org>,
	axboe@suse.de, andrea@suse.de, linux-kernel@vger.kernel.org
Subject: Re: Real-time problem due to IO congestion.
Date: Fri, 10 Jun 2005 22:25:15 +0200	[thread overview]
Message-ID: <20050610202515.GA21733@hh.idb.hist.no> (raw)
In-Reply-To: <42A93D85.4060005@lab.ntt.co.jp>

On Fri, Jun 10, 2005 at 04:13:09PM +0900, Takashi Ikebe wrote:
> 
> I see.
> The program which I tested is just sample, and I wanted to know the 
> phenomena is spec or bug.
> I also understand that this problem is spec, and need to apply some 
> buffering to such applications.
> 
There is an alternative.  Get a separate disk just for the RT-job.
You can then run your very heavy IO on other disks, the RT disk won't
be delayed by that.

Helge Hafting

  parent reply	other threads:[~2005-06-10 20:19 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-06-10  4:55 Takashi Ikebe
2005-06-10  6:24 ` Jens Axboe
2005-06-10  7:49   ` Takashi Ikebe
2005-06-10 18:26     ` Lee Revell
2005-06-10  6:42 ` Andrew Morton
2005-06-10  7:13   ` Takashi Ikebe
2005-06-10  7:21     ` Jens Axboe
2005-06-10 20:25     ` Helge Hafting [this message]
2005-06-13  1:46       ` Takashi Ikebe

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