From owner-freebsd-questions@FreeBSD.ORG Wed Feb 4 20:18:43 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 943EB1065673 for ; Wed, 4 Feb 2009 20:18:43 +0000 (UTC) (envelope-from amvandemore@gmail.com) Received: from imedmobility.com (host-50.216-16-29.iw.net [216.16.29.50]) by mx1.freebsd.org (Postfix) with ESMTP id 2CE9E8FC1B for ; Wed, 4 Feb 2009 20:18:41 +0000 (UTC) (envelope-from amvandemore@gmail.com) Received: from midco.net (host-47-73-107-208.midco.net [208.107.73.47]) by imedmobility.com (Postfix) with ESMTP id DF2F11173C59; Wed, 4 Feb 2009 14:18:40 -0600 (CST) Message-ID: <4989F825.3020609@gmail.com> Date: Wed, 04 Feb 2009 20:18:45 +0000 From: Adam Vande More User-Agent: Thunderbird 2.0.0.18 (X11/20081225) MIME-Version: 1.0 To: Yavuz References: <1E37AE87F15C4E34B6EB1002AADEB87A@desktop2002> In-Reply-To: <1E37AE87F15C4E34B6EB1002AADEB87A@desktop2002> Content-Type: text/plain; charset=ISO-8859-9; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-questions@freebsd.org Subject: Re: is there any way to increase disk performance ? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Feb 2009 20:18:46 -0000 Yavuz wrote: > I have freebsd7 (amd64 bit) and sata2 disk 7200 rpm. > > it's running mail server which has services like pop3,imap,smtp and > webmail on this machine. > > When I type systat 1 -vmstat on command line, even I rarely see that > disk usage hits 100%. > I have no problem as ram and cpu. they is enough. > > is there any way to increase disk performance without causing any > problem ? > sysctl vfs.read_max=32 can help read performance