From owner-freebsd-stable@FreeBSD.ORG Sat Jun 24 17:58:37 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 5D81E16A4A0 for ; Sat, 24 Jun 2006 17:58:37 +0000 (UTC) (envelope-from scrappy@hub.org) Received: from hub.org (hub.org [200.46.204.220]) by mx1.FreeBSD.org (Postfix) with ESMTP id 11AEF43D86 for ; Sat, 24 Jun 2006 17:58:24 +0000 (GMT) (envelope-from scrappy@hub.org) Received: from localhost (mx1.hub.org [200.46.208.251]) by hub.org (Postfix) with ESMTP id 58AC5290C2B; Sat, 24 Jun 2006 14:58:22 -0300 (ADT) Received: from hub.org ([200.46.204.220]) by localhost (mx1.hub.org [200.46.208.251]) (amavisd-new, port 10024) with ESMTP id 17287-01; Sat, 24 Jun 2006 14:58:23 -0300 (ADT) Received: from ganymede.hub.org (blk-7-151-244.eastlink.ca [71.7.151.244]) by hub.org (Postfix) with ESMTP id CBD9A290C1E; Sat, 24 Jun 2006 14:58:21 -0300 (ADT) Received: by ganymede.hub.org (Postfix, from userid 1000) id DBEDC49606; Sat, 24 Jun 2006 14:58:23 -0300 (ADT) Received: from localhost (localhost [127.0.0.1]) by ganymede.hub.org (Postfix) with ESMTP id D9C3B47E8E; Sat, 24 Jun 2006 14:58:23 -0300 (ADT) Date: Sat, 24 Jun 2006 14:58:23 -0300 (ADT) From: "Marc G. Fournier" To: Dmitry Morozovsky In-Reply-To: <20060624154017.E30039@woozle.rinet.ru> Message-ID: <20060624145733.H1114@ganymede.hub.org> References: <20060623172557.H1114@ganymede.hub.org> <261AD16B-C3FE-4671-996E-563053508CE8@mac.com> <20060624022227.X1114@ganymede.hub.org> <20060624115505.E14669@woozle.rinet.ru> <20060624090656.GB79678@deviant.kiev.zoral.com.ua> <20060624154017.E30039@woozle.rinet.ru> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: Kostik Belousov , 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: Sat, 24 Jun 2006 17:58:37 -0000 On Sat, 24 Jun 2006, Dmitry Morozovsky wrote: > On Sat, 24 Jun 2006, Kostik Belousov wrote: > > KB> > MGF> > 'b' stands for "blocked", not "busy". Judging by your page fault rate > KB> > MGF> > and the high number of frees and pages being scanned, you're probably > KB> > MGF> > swapping tasks in and out and are waiting on disk. Take a look at > KB> > MGF> > "vmstat -s", and consider adding more RAM if this is correct... > KB> > MGF> > KB> > MGF> is there a way of finding out what processes are blocked? > KB> > > KB> > Aren't they in 'D' status by ps? > KB> Use ps axlww. In this way, at least actual blocking points are shown. > > /me knows ;-) OTOH, I'm faurly sure scrappy@ should know this very > well... Considering I thought it was 'busy' and not 'blocked', I'm in new territory here :) ---- Marc G. Fournier Hub.Org Networking Services (http://www.hub.org) Email . scrappy@hub.org MSN . scrappy@hub.org Yahoo . yscrappy Skype: hub.org ICQ . 7615664