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Date: Mon, 10 Sep 2001 17:41:56 +1000
From: Karun <karun@dambiec.com>
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To: Matthias Bartels <mbartels@genie.de>,
	freebsd-questions@freebsd.org
Subject: Re: harddisk performance
References: <B3005358253@i01sv4107.ids1.intelonline.com>
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Have you enabled soft updates?

Karun

Matthias Bartels wrote:

>Servus,
>
>hi some weeks ago i kicked my linux and became a freebsd user and i am
>really happy with my decision.
>
>But i have still one problem, my harddisk performance.
>
>i am using a maxtor U/DMA 100 drive, and freebsd is using U/DMA 100 
>Kernelmessage:
>
>ad0: 38182MB <MAXTOR 4K040H2> [77578/16/63] at ata0-master UDMA100
>
>my problem is performance when writing to the disk, that's why i made
>a benchmark with bonnie 
>
>this are the results:
>
>Machine    MB 100
>
>-------Sequential Output-----
>----Per Char- --Block--- -Rewrite--
> K/sec %CPU    K/sec %CPU  K/sec %CPU
> 7628 13.5     8434  5.5   8746  6.9
>
>---Sequential Input--
>-Per Char- --Block--- 
>K/sec %CPU  K/sec  %CPU
>42264 100.0 235777 100.0
>
>--Random--
>/sec    %CPU
>27737.9 99.8
>
>
>as you can see, the reading performance is ok, but writing
>performance? :(
>
>does anybody know what i am doing wrong??
>Thank you
>
>M.Bartels
>
>
>Ringtones, Logos und crazy Mailbox Ansagen für Dein Nokia-Handy @
>www.genie.de
>
>
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