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Date:      Thu, 30 Mar 2006 10:06:11 -0500
From:      Kris Kennaway <kris@obsecurity.org>
To:        Ganbold <ganbold@micom.mng.net>
Cc:        "Thyer, Matthew" <Matthew.Thyer@dsto.defence.gov.au>, freebsd-current@freebsd.org
Subject:   Re: mysql performance test results under FreeBSD-7.0-CURRENT
Message-ID:  <20060330150610.GA13098@xor.obsecurity.org>
In-Reply-To: <442B81B9.30206@micom.mng.net>
References:  <07018E951F2FBF42B40B3D61086788344C1D9D@ednex511.dsto.defence.gov.au> <442B81B9.30206@micom.mng.net>

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On Thu, Mar 30, 2006 at 03:59:05PM +0900, Ganbold wrote:
> Thyer, Matthew wrote:
> >A couple of things I have noticed in the kernel messages:
> >
> >	WARNING: WITNESS option enabled, expect reduced performance.
> > =20
> Yes, I left this option in case if there comes something wrong.

Then your performance numbers are useless, sorry.

> >You need to use the 80 core conductor cables instead of the old standard
> >40 core conductor IDE cables to get the best performance from your hard
> >drives.  Just use another cable like you already have connected to the
> >40GB drive.
> > =20
> That is true, I don't have any UDMA100 cables right now:(

Ditto.

Sorry, but benchmarking is hard.

Kris
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