From owner-freebsd-performance@FreeBSD.ORG Mon Nov 22 22:45:31 2004 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7F45F16A4CE for ; Mon, 22 Nov 2004 22:45:31 +0000 (GMT) Received: from web41213.mail.yahoo.com (web41213.mail.yahoo.com [66.218.93.46]) by mx1.FreeBSD.org (Postfix) with SMTP id 429E343D58 for ; Mon, 22 Nov 2004 22:45:31 +0000 (GMT) (envelope-from arne_woerner@yahoo.com) Received: (qmail 65942 invoked by uid 60001); 22 Nov 2004 22:45:31 -0000 Comment: DomainKeys? See http://antispam.yahoo.com/domainkeys DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; b=gxBLNGFtAmITTjZqdbANdAq0/LrGHKfUZNoq9aCsaoWNpvd3pIk26r2K2MeUMH+k8tY2dK7qsy5AX0BsG8mOKoncwQ7WhXA/y2R9zoeroUhgo5OUsrlYHJq0/BqLMo0IdRXFV2mOQMHj+1TttYEZzN0wRY6pSHhUDls9oRV71+M= ; Message-ID: <20041122224530.65940.qmail@web41213.mail.yahoo.com> Received: from [83.129.242.96] by web41213.mail.yahoo.com via HTTP; Mon, 22 Nov 2004 14:45:30 PST Date: Mon, 22 Nov 2004 14:45:30 -0800 (PST) From: Arne "Wörner" To: Aaron Glenn In-Reply-To: <20041122223823.15007.qmail@web14123.mail.yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii cc: freebsd-performance@freebsd.org Subject: Re: I've ran out of ideas X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Nov 2004 22:45:31 -0000 > > Of course. But why does iostat report 1.3MB/s on a > > completely idle system? Is something eating my disk I/O? If so, how > > do I find out what, precisely, is? > Hmm... Since there should not be so much I/O on an idle system, I would like to ask: Did you use - iostat or - iostat 2 or so? If I use "iostat" I just see the average. If I use "iostat 2" I see first the average and then the iostat of the last 2 seconds: > iostat 2 tty ad0 ad1 da0 cpu tin tout KB/t tps MB/s KB/t tps MB/s KB/t tps MB/s us ni sy in id 2 4342 28.04 1 0.04 36.95 4 0.15 0.01 0 0.00 18 73 6 2 0 12 115 0.00 0 0.00 44.67 7 0.33 0.00 0 0.00 20 74 3 3 0 5 32 16.00 2 0.04 41.26 8 0.31 0.00 0 0.00 21 71 5 3 0 0 38 7.00 1 0.01 50.00 7 0.37 0.00 0 0.00 24 69 5 2 0 ^C -Arne __________________________________ Do you Yahoo!? The all-new My Yahoo! - Get yours free! http://my.yahoo.com