From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267436AbUG2KHl (ORCPT ); Thu, 29 Jul 2004 06:07:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264305AbUG2KHl (ORCPT ); Thu, 29 Jul 2004 06:07:41 -0400 Received: from mx1.redhat.com ([66.187.233.31]:5034 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S267436AbUG2KFJ (ORCPT ); Thu, 29 Jul 2004 06:05:09 -0400 Subject: Re: LSI 53c1030 (Fusion MPT) performance with O_SYNC From: Arjan van de Ven Reply-To: arjanv@redhat.com To: Jan Oravec Cc: linux-kernel@vger.kernel.org In-Reply-To: <20040729095648.GA27925@omega.6com.net> References: <20040729095648.GA27925@omega.6com.net> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-Fof5LG8+0hok4uVO4fOf" Organization: Red Hat UK Message-Id: <1091095493.2792.6.camel@laptop.fenrus.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Thu, 29 Jul 2004 12:04:53 +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --=-Fof5LG8+0hok4uVO4fOf Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Thu, 2004-07-29 at 11:56, Jan Oravec wrote: > I've noticed poor performance with MySQL/InnoDB when compared to another > S2880-based box with IDE disks. your ide disk probably has write back caching enabled while your mptfusion doesn't..... if you value data integrity over performance the mptfusion has a saner default ;) --=-Fof5LG8+0hok4uVO4fOf Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) iD8DBQBBCMvFxULwo51rQBIRAvpYAJwKpUhc4VsWXFJWLDNRFHawPslFagCfQirS R2hPGciXab+QA3OMMUk5J+Y= =f2+X -----END PGP SIGNATURE----- --=-Fof5LG8+0hok4uVO4fOf--