Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965316AbXBQQfe (ORCPT ); Sat, 17 Feb 2007 11:35:34 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965317AbXBQQfe (ORCPT ); Sat, 17 Feb 2007 11:35:34 -0500 Received: from lazybastard.de ([212.112.238.170]:55766 "EHLO longford.lazybastard.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965316AbXBQQfd (ORCPT ); Sat, 17 Feb 2007 11:35:33 -0500 Date: Sat, 17 Feb 2007 15:11:08 +0000 From: =?utf-8?B?SsO2cm4=?= Engel To: Bill Davidsen Cc: Juan Piernas Canovas , Jan Engelhardt , sfaibish , kernel list Subject: Re: [ANNOUNCE] DualFS: File System with Meta-data and Data Separation Message-ID: <20070217151108.GA301@lazybastard.org> References: <20070215200922.GB24643@lazybastard.org> <20070216091321.GA28092@lazybastard.org> <45D642A4.5010009@tmr.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <45D642A4.5010009@tmr.com> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1027 Lines: 25 On Fri, 16 February 2007 18:47:48 -0500, Bill Davidsen wrote: > > > Actually I am interested in the common case, where the machine is not > out of space, or memory, or CPU, but when it is appropriately sized to > the workload. Not that I lack interest in corner cases, but the "running > flat out" case doesn't reflect case where there's enough hardware, now > the o/s needs to use it well. There is one detail about this specific corner case you may be missing. Most log-structured filesystems don't just drop in performance - they can run into a deadlock and the only recovery from this is the lovely backup-mkfs-restore procedure. If it was just performance, I would agree with you. Jörn -- He that composes himself is wiser than he that composes a book. -- B. Franklin - 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/