From owner-freebsd-stable@FreeBSD.ORG Fri Jun 23 23:11:27 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5189D16A494 for ; Fri, 23 Jun 2006 23:11:27 +0000 (UTC) (envelope-from fullermd@over-yonder.net) Received: from mail.localelinks.com (web.localelinks.com [64.39.75.54]) by mx1.FreeBSD.org (Postfix) with ESMTP id BEFB643D5D for ; Fri, 23 Jun 2006 23:11:25 +0000 (GMT) (envelope-from fullermd@over-yonder.net) Received: from draco.over-yonder.net (adsl-072-148-013-213.sip.jan.bellsouth.net [72.148.13.213]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.localelinks.com (Postfix) with ESMTP id 912883E1; Fri, 23 Jun 2006 18:11:22 -0500 (CDT) Received: by draco.over-yonder.net (Postfix, from userid 100) id C45BE61C32; Fri, 23 Jun 2006 18:11:21 -0500 (CDT) Date: Fri, 23 Jun 2006 18:11:21 -0500 From: "Matthew D. Fuller" To: "Marc G. Fournier" Message-ID: <20060623231121.GL83482@over-yonder.net> References: <20060623172557.H1114@ganymede.hub.org> <261AD16B-C3FE-4671-996E-563053508CE8@mac.com> <20060623191131.C1114@ganymede.hub.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060623191131.C1114@ganymede.hub.org> X-Editor: vi X-OS: FreeBSD User-Agent: Mutt/1.5.11-fullermd.3 Cc: freebsd-stable@freebsd.org Subject: Re: vmstat 'b' (disk busy?) field keeps climbing ... X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Jun 2006 23:11:27 -0000 On Fri, Jun 23, 2006 at 07:12:54PM -0300 I heard the voice of Marc G. Fournier, and lo! it spake thus: > > 31750 vnode pager pageins > 209538 vnode pager pages paged in > 15954 vnode pager pageouts > 219494 vnode pager pages paged out This may be something to look at. My workstation (~3.5 day uptime) has a fraction of that: 7204 vnode pager pageins 37609 vnode pager pages paged in 1 vnode pager pageouts 1 vnode pager pages paged out Compare to the number of processes spawned (I'm at 10x yours): > 28399 fork() calls > 1708 vfork() calls > 0 rfork() calls 282510 fork() calls 22164 vfork() calls 0 rfork() calls That sounds like hefty memory pressure. -- Matthew Fuller (MF4839) | fullermd@over-yonder.net Systems/Network Administrator | http://www.over-yonder.net/~fullermd/ On the Internet, nobody can hear you scream.