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Date:      Wed, 10 Jan 2001 19:14:12 +0200
From:      Vallo Kallaste <vallo@matti.ee>
To:        Lauri Laupmaa <mauri@inspiral.net>
Cc:        smp@FreeBSD.ORG
Subject:   Re: mysql (smp) performance
Message-ID:  <20010110191412.B265@myhakas.matti.ee>
In-Reply-To: <3A5C7393.40EB4D13@inspiral.net>; from mauri@inspiral.net on Wed, Jan 10, 2001 at 04:37:08PM %2B0200
References:  <3A5C7393.40EB4D13@inspiral.net>

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On Wed, Jan 10, 2001 at 04:37:08PM +0200, Lauri Laupmaa <mauri@inspiral.net> wrote:

> After some fair amount of testing I came to conclusion that
> unfortunately mysql (both 3.22 and 3.23) performance is considerably
> slower on freebsd than linux...at least on stock install.
> 
> I have used 4.x-STABLE systems, both on SMP and singleproc and linux
> 2.1/2.2 kernels.
> 
> It seems that on SMP mysql doesn't scale well. (currently testing on
> dual 833 PIII and running on couple older dual systems)
> 
> I'm interested if there is some magic to get mysql run faster ?
> Or should I use 5.x-CURRENT ?

Do not use -current at this time, it's too unstable and doesn't help
you anyway. The case is very simple, you'll have to wait for a year
or so until SMP support matures, or switch to well-known OS wrt SMP
and database applications. I don't want to start flame war, but free
x86 Solaris seems reasonable if you have powerful hardware. For
second don't know, haven't used Linux for a long time, but I don't
believe it'll be better for databases running MP system. For two
processors only, who knows..
-- 

Vallo Kallaste
vallo@matti.ee


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