Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932114AbXEBCjc (ORCPT ); Tue, 1 May 2007 22:39:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964974AbXEBCjb (ORCPT ); Tue, 1 May 2007 22:39:31 -0400 Received: from out1.smtp.messagingengine.com ([66.111.4.25]:44645 "EHLO out1.smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932114AbXEBCja (ORCPT ); Tue, 1 May 2007 22:39:30 -0400 Message-Id: <1178073570.23207.1187618757@webmail.messagingengine.com> X-Sasl-Enc: mEjunje9sbyERMYj251RWGTCRLNkRM9WckbsY34FuqKl 1178073570 From: lkml777@123mail.org To: "Edward Shishkin" , "Andrew Morton" , "Vladimir V. Saveliev" , "Andi Kleen" Cc: "Alex Zarochentsev" , "Linux kernel mailing list" , "Eric Hopper" , "Lex Lyamin" , "William Heimbigner" , "Rik van Riel" , "Xu CanHao" Content-Disposition: inline Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 X-Mailer: MessagingEngine.com Webmail Interface References: <20070423111939.c876c9cc.akpm@linux-foundation.org> <462E17AF.7090604@namesys.com> Subject: Re: Question about Reiser4 In-Reply-To: <462E17AF.7090604@namesys.com> Date: Tue, 01 May 2007 19:39:30 -0700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1773 Lines: 65 OOn Wed, 25 Apr 2007 19:03:12 +0400, "Edward Shishkin" said: > lkml777@123mail.org wrote: > > > > >As I understand it, the default Reiser4 DOES NOT USE any compression at > >all, not even tail compression, > > > > ^tail compression^tail conversion > Reiser4 does use tail conversion by default. > > > but saves space by eliminating block > >alignment wastage (tail compression is an option). > > > >So lets LOSE the statistics that involve compression. The results now > >look like this: > > > >.-------------------------. > >| FILESYSTEM | TIME |DISK | > >| TYPE |(secs)|USAGE| > >.-------------------------. > >|REISER4 | 3462 | 692 | > >|EXT2 | 4092 | 816 | > >|JFS | 4225 | 806 | > >|EXT4 | 4408 | 816 | > >|EXT3 | 4421 | 816 | > >|XFS | 4625 | 779 | > >|REISER3 | 6178 | 793 | > >|FAT32 |12342 | 988 | > >|NTFS-3g |10414 | 772 | > >.-------------------------. > > > >These results are still EXTREMELY GOOD for REISER4. > > > > > > Everything is not so simple in the science of testing.. > Would you please change direction of your activity to stressing > instead of benchmarking? Caught oopses would have great value.. > OK? > > Regards, > Edward. > Tail conversion is NOT compression,.... So what exactly is your point? By "tail compression" I mean plugin ctail40, but since I was never able to get it to work, maybe its not tail compression at all. -- lkml777@123mail.org -- http://www.fastmail.fm - mmm... Fastmail... - 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/