From: Knut Petersen <Knut_Petersen@t-online.de>
To: "'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>
Cc: James Courtier-Dutton <James@superbug.demon.co.uk>
Subject: Re: VIA IDE performance under 2.6.0-test7/8?
Date: Wed, 22 Oct 2003 14:34:07 +0200 [thread overview]
Message-ID: <3F96793F.7020305@t-online.de> (raw)
In-Reply-To: <3F9669BF.1040408@t-online.de>
Problem solved ...
I wrote that playing around with read ahead settings (hdparm -a ...) did
not help.
In fact I was wrong, I assumed that these had identical meaning in the
2.4 and
2.6 kernel series and tried nothing higher than 255 (2.4.x maximum).
With 255
kernel 2.4.0 performed 50% better than 2.6.0.
After hdparm -a 8192 /dev/hd?: 2.6.0 performs 10% better than 2.4.0
Shouln´t the default settings be corrected?
cu,
Knut Petersen
next prev parent reply other threads:[~2003-10-22 12:32 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-21 14:37 VIA IDE performance under 2.6.0-test7/8? James Finnie
2003-10-21 14:55 ` Bartlomiej Zolnierkiewicz
2003-10-21 18:40 ` James Courtier-Dutton
2003-10-22 11:27 ` Knut Petersen
2003-10-22 12:34 ` Knut Petersen [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-10-21 15:11 James Finnie
2003-10-22 11:11 James Finnie
2003-10-22 12:31 James Finnie
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