From owner-freebsd-questions@FreeBSD.ORG Thu Nov 23 07:52:45 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 9B9FF16A40F for ; Thu, 23 Nov 2006 07:52:45 +0000 (UTC) (envelope-from kris@obsecurity.org) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.FreeBSD.org (Postfix) with ESMTP id 07C0143D81 for ; Thu, 23 Nov 2006 07:51:56 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: from obsecurity.dyndns.org (elvis.mu.org [192.203.228.196]) by elvis.mu.org (Postfix) with ESMTP id CD5351A3C19; Wed, 22 Nov 2006 23:52:29 -0800 (PST) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 27DCD5158B; Thu, 23 Nov 2006 02:52:15 -0500 (EST) Date: Thu, 23 Nov 2006 02:52:15 -0500 From: Kris Kennaway To: Dieter Message-ID: <20061123075214.GA51991@xor.obsecurity.org> References: <20061123060929.GA49798@xor.obsecurity.org> <200611230729.HAA05509@sopwith.solgatos.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ReaqsoxgOBHFXBhH" Content-Disposition: inline In-Reply-To: <200611230729.HAA05509@sopwith.solgatos.com> User-Agent: Mutt/1.4.2.2i Cc: freebsd-questions@freebsd.org Subject: Re: processes not getting fair share of available disk I/O (was: Re: TCP parameters and interpreting tcpdump output ) 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, 23 Nov 2006 07:52:45 -0000 --ReaqsoxgOBHFXBhH Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Nov 22, 2006 at 11:29:16PM +0000, Dieter wrote: > > > hw.ata.wc=3D3D0 > > ^^^^^^^^^^^ > > "Make my hard drive go reeeeally slow please (just in case I crash)" :) >=20 > Slower, yes, but not *that* slow. >=20 > Normal ls : 0.032 second. Two processes using same disk, multiply by two, > so 0.064 second. Maybe the multiplier is more than 2, call it 10x, so > 0.32 second. But I'm seeing a factor of over 9100x. Humour me and turn it back on, then see what happens. Kris --ReaqsoxgOBHFXBhH Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFFZVMuWry0BWjoQKURAoUmAKCJu4fUOcJSKt1H053/+PkpLnj4DwCg0vwZ +HnKbh9d13X4qA/YvRdRtIk= =N3X/ -----END PGP SIGNATURE----- --ReaqsoxgOBHFXBhH--