From owner-freebsd-questions@FreeBSD.ORG  Sat Oct 15 08:25:45 2005
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
X-Original-To: freebsd-questions@freebsd.org
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 7935A16A41F
	for <freebsd-questions@freebsd.org>;
	Sat, 15 Oct 2005 08:25:45 +0000 (GMT)
	(envelope-from infofarmer@gmail.com)
Received: from zproxy.gmail.com (zproxy.gmail.com [64.233.162.192])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 13D1643D46
	for <freebsd-questions@freebsd.org>;
	Sat, 15 Oct 2005 08:25:44 +0000 (GMT)
	(envelope-from infofarmer@gmail.com)
Received: by zproxy.gmail.com with SMTP id 8so590933nzo
	for <freebsd-questions@freebsd.org>;
	Sat, 15 Oct 2005 01:25:44 -0700 (PDT)
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com;
	h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references;
	b=nbwu+6dRBc/JeOZtrYpe6r5pHVpCvah62Ro37RSuTPb2VZEOuwdXjb7+SZA6p2T46W6j2yTgZwqsCDn30eS/Vu46yECqZ3WUcgZ7O38tudvuV7YpPRJRtFOZCGzMCqOtxbldWxcKEvKA93c2eRJObaUBtq32++QCuiqu67bRF0A=
Received: by 10.36.74.9 with SMTP id w9mr540384nza;
	Sat, 15 Oct 2005 01:25:44 -0700 (PDT)
Received: by 10.37.20.34 with HTTP; Sat, 15 Oct 2005 01:25:44 -0700 (PDT)
Message-ID: <cb5206420510150125h5c374500tdc46680a4beb302a@mail.gmail.com>
Date: Sat, 15 Oct 2005 12:25:44 +0400
From: "Andrew P." <infofarmer@gmail.com>
To: Deepak Naidu <deepak_nai@yahoo.com>
In-Reply-To: <20051015070507.19793.qmail@web34609.mail.mud.yahoo.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline
References: <20051015070507.19793.qmail@web34609.mail.mud.yahoo.com>
Cc: freebsd-questions@freebsd.org
Subject: Re: Should I increase vfs.read_max
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 15 Oct 2005 08:25:45 -0000

On 10/15/05, Deepak Naidu <deepak_nai@yahoo.com> wrote:
> Hi,
>      I am running FreeBSD 5.4 on SunFire v20 on single
> hard disk 73 GB...
>
> I googled down some links regarding increasing IO
> performance.  It said increase vfs.read_max from 8 to
> 16. I have done that, but cant justify any
> improvement, as I am running mailserver(spam checker).
>  Should I revert to 8 or use 16.
>
> Have any one tried or is it recommended.
>
> Also, how do I enable hyperthearding, does it improve
> performance...
>
> Link:
> http://www.mail-archive.com/freebsd-performance@freebsd.org/msg00144.html
>
> Cheers,
> Deepak Naidu
>
>
>
> ___________________________________________________________
> How much free photo storage do you get? Store your holiday
> snaps for FREE with Yahoo! Photos http://uk.photos.yahoo.com
> _______________________________________________
> freebsd-questions@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
> To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.o=
rg"
>
>

Think about upgrading to 6.0-RC1, its disk performance
is great.

Hyperthreading will probably bring you more problems,
than performance. If you don't run very intensive
virus scanning, you don't need it.