From owner-freebsd-questions@FreeBSD.ORG Thu Feb 5 09:13:28 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 273371065670 for ; Thu, 5 Feb 2009 09:13:28 +0000 (UTC) (envelope-from maslak@ihlas.net.tr) Received: from mailhub2.ihlas.net.tr (mailhub2.ihlas.net.tr [213.238.128.252]) by mx1.freebsd.org (Postfix) with ESMTP id 4F0CE8FC18 for ; Thu, 5 Feb 2009 09:13:26 +0000 (UTC) (envelope-from maslak@ihlas.net.tr) Received: (qmail 54743 invoked from network); 5 Feb 2009 11:13:24 +0200 Received: from ihlasnetym (HELO desktop2002) (auth@213.238.150.220) by mailhub2.ihlas.net.tr with SMTP; 5 Feb 2009 11:13:24 +0200 Message-ID: <55DE6E126D0C43288ECF48842AB6903D@desktop2002> From: "Yavuz" To: "Adam Vande More" References: <1E37AE87F15C4E34B6EB1002AADEB87A@desktop2002> <4989F825.3020609@gmail.com> Date: Thu, 5 Feb 2009 11:13:27 +0200 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-9"; reply-type=response Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5512 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-Antivirus: avast! (VPS 090204-0, 04.02.2009), Outbound message X-Antivirus-Status: Clean 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: Thu, 05 Feb 2009 09:13:28 -0000 Ok. I increased vfs.read_max while I was looking into this case in google, I see a value of MAXPHYS in my kernel, there is a value called MAXPHYS=(128*1024) as default. What should I set this value ? > 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 > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org" >