From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261575AbUBLCAl (ORCPT ); Wed, 11 Feb 2004 21:00:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261872AbUBLCAl (ORCPT ); Wed, 11 Feb 2004 21:00:41 -0500 Received: from fw.osdl.org ([65.172.181.6]:6363 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S261575AbUBLCAk (ORCPT ); Wed, 11 Feb 2004 21:00:40 -0500 Date: Wed, 11 Feb 2004 18:00:19 -0800 From: Dave Olien To: Diego Calleja Cc: Michael Frank , linux-kernel@vger.kernel.org Subject: Re: ext2/3 performance regression in 2.6 vs 2.4 for small interleaved writes Message-ID: <20040212020019.GA22344@osdl.org> References: <200402120502.39300.mhf@linuxmail.org> <20040211221806.106eed62.grundig@teleline.es> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20040211221806.106eed62.grundig@teleline.es> User-Agent: Mutt/1.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 2.4 does not have deadline scheduler. But the 2.6 deadline scheduler is more similar to 2.4's scheduler than is the anticipatory scheduler. Re-try 2.6 with deadline scheduler will remove some of the additional scheduler policies that are present in the anticipatory scheduler. On Wed, Feb 11, 2004 at 10:18:06PM +0100, Diego Calleja wrote: > El Thu, 12 Feb 2004 05:02:39 +0800 Michael Frank escribió: > > > > 2.4 has a deadline scheduler. 2.6 default is anticipatory. > > I though the 2.4 io scheduler wasn't "deadline" base, I think the first > "deadline" io scheduler was the one merged ~2.5.39 > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/