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From: Torben Frey <kernel@mailsammler.de>
To: Nuno Silva <nuno.silva@vgertech.com>
Cc: linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: Horrible drive performance under concurrent i/o jobs (dlh problem?)
Date: Fri, 27 Dec 2002 14:04:57 +0100	[thread overview]
Message-ID: <3E0C4FF9.1010100@mailsammler.de> (raw)
In-Reply-To: <3E0276B9.40001@vgertech.com>

Hi Nuno,

> AFAIK, this is because you have some GB of memory (RAM) that are beeing 
> used as disk-cache. It took 22 seconds for the cached writes-to-disk 
> being flushed to the device.

Yes, I guess you are right...must be the flushing of my buffers, altogether it writes out 
exactly the amount of data I would expect (the "22seconds block" included).

Regards,
Torben

PS: Sorry for my long delay, but I was at home over Xmas and could not reply earlier.


  reply	other threads:[~2002-12-27 12:56 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-12-19 14:29 Horrible drive performance under concurrent i/o jobs (dlh problem?) Torben Frey
2002-12-20  1:47 ` Nuno Silva
2002-12-27 13:04   ` Torben Frey [this message]
2002-12-20 14:27 ` Roger Larsson
  -- strict thread matches above, loose matches on Subject: below --
2002-12-18 21:10 Con Kolivas
2002-12-18 22:16 ` Torben Frey
2002-12-18 22:37   ` Andrew Morton
2002-12-18 23:30     ` Torben Frey
2002-12-18 23:46       ` Andrew Morton
2002-12-18 22:40   ` Torben Frey
2002-12-18 19:06 Torben Frey
2002-12-20 20:40 ` Joseph D. Wagner
2002-12-20 22:25   ` David Lang
2002-12-21  6:00     ` Joseph D. Wagner
2002-12-23  1:29       ` David Lang
2002-12-24  9:18       ` Roy Sigurd Karlsbakk
2002-12-24 17:21         ` jw schultz
2002-12-24 21:00           ` Jeremy Fitzhardinge
2002-12-25  1:34           ` Rik van Riel
2002-12-25  2:02           ` jw schultz
2002-12-25  3:41           ` Barry K. Nathan
2002-12-23 17:48   ` Krzysztof Halasa
2002-12-23 18:13 ` Denis Vlasenko

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