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Date: Fri, 10 Jun 2005 19:05:00 -0400 (EDT)
From: Daniel Eischen <deischen@freebsd.org>
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To: Kris Kennaway <kris@obsecurity.org>
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Cc: freebsd-stable@freebsd.org, Tom Gidden <gid@lonres.com>,
	Guy Helmer <ghelmer@palisadesys.com>
Subject: Re: FreeBSD MySQL still WAY slower than Linux
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On Fri, 10 Jun 2005, Kris Kennaway wrote:

> On Fri, Jun 10, 2005 at 10:04:23PM +0100, Tom Gidden wrote:
> > Hi Guy,
> >
> > On 10 Jun 2005, at 21:37, Guy Helmer wrote:
> > >
> > >Have you tried a kernel with PREEMPTION enabled?  I haven't
> > >quantified the effect, but it's improved performance in some
> > >situations.
> > >Have you tried increasing vfs.read_max?
> >
> > Thanks for your suggestions... I've given them a go, and it looks
> > like there's no discernible difference in performance for either/
> > both, on KSE, libthr or LinuxThreads.  =(
>
> Did you retry with HTT yet?  Note that it's disabled by default in
> FreeBSD, so if you see no performance improvement when you only turn
> it on in the BIOS, that could be why.

Or repeat the Linux tests without HTT enabled.

-- 
DE