From owner-freebsd-stable@FreeBSD.ORG Sat Jun 24 09:07:05 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 70A3116A492 for ; Sat, 24 Jun 2006 09:07:05 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from fw.zoral.com.ua (ll-227.216.82.212.sovam.net.ua [212.82.216.227]) by mx1.FreeBSD.org (Postfix) with ESMTP id 317D143D55 for ; Sat, 24 Jun 2006 09:07:03 +0000 (GMT) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (root@deviant.kiev.zoral.com.ua [10.1.1.148]) by fw.zoral.com.ua (8.13.4/8.13.4) with ESMTP id k5O96vqr083731 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sat, 24 Jun 2006 12:06:57 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: from deviant.kiev.zoral.com.ua (kostik@localhost [127.0.0.1]) by deviant.kiev.zoral.com.ua (8.13.6/8.13.6) with ESMTP id k5O96v9a052161; Sat, 24 Jun 2006 12:06:57 +0300 (EEST) (envelope-from kostikbel@gmail.com) Received: (from kostik@localhost) by deviant.kiev.zoral.com.ua (8.13.6/8.13.6/Submit) id k5O96u6u052160; Sat, 24 Jun 2006 12:06:56 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: deviant.kiev.zoral.com.ua: kostik set sender to kostikbel@gmail.com using -f Date: Sat, 24 Jun 2006 12:06:56 +0300 From: Kostik Belousov To: Dmitry Morozovsky Message-ID: <20060624090656.GB79678@deviant.kiev.zoral.com.ua> References: <20060623172557.H1114@ganymede.hub.org> <261AD16B-C3FE-4671-996E-563053508CE8@mac.com> <20060624022227.X1114@ganymede.hub.org> <20060624115505.E14669@woozle.rinet.ru> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="WIyZ46R2i8wDzkSu" Content-Disposition: inline In-Reply-To: <20060624115505.E14669@woozle.rinet.ru> User-Agent: Mutt/1.4.2.1i X-Virus-Scanned: ClamAV version 0.88.2, clamav-milter version 0.88.2 on fw.zoral.com.ua X-Virus-Status: Clean X-Spam-Status: No, score=0.4 required=5.0 tests=ALL_TRUSTED, DNS_FROM_RFC_ABUSE,SPF_NEUTRAL autolearn=no version=3.1.3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on fw.zoral.com.ua 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: Sat, 24 Jun 2006 09:07:05 -0000 --WIyZ46R2i8wDzkSu Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Jun 24, 2006 at 11:55:26AM +0400, Dmitry Morozovsky wrote: > On Sat, 24 Jun 2006, Marc G. Fournier wrote: >=20 > MGF> > 'b' stands for "blocked", not "busy". Judging by your page fault = rate > MGF> > and the high number of frees and pages being scanned, you're proba= bly > MGF> > swapping tasks in and out and are waiting on disk. Take a look at > MGF> > "vmstat -s", and consider adding more RAM if this is correct... > MGF>=20 > MGF> is there a way of finding out what processes are blocked? >=20 > Aren't they in 'D' status by ps? Use ps axlww. In this way, at least actual blocking points are shown. --WIyZ46R2i8wDzkSu Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.3 (FreeBSD) iD8DBQFEnQCvC3+MBN1Mb4gRAkt6AJ92EcBenl38NFcR5/X31k5bS/BF/QCeN5F0 z7nfOZhPalnTuzrLySUAbpw= =nNqs -----END PGP SIGNATURE----- --WIyZ46R2i8wDzkSu--