From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay4-d.mail.gandi.net ([217.70.183.196]:44664 "EHLO relay4-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755093Ab2LILUu convert rfc822-to-8bit (ORCPT ); Sun, 9 Dec 2012 06:20:50 -0500 Received: from mfilter10-d.gandi.net (mfilter10-d.gandi.net [217.70.178.139]) by relay4-d.mail.gandi.net (Postfix) with ESMTP id 560D717207E for ; Sun, 9 Dec 2012 12:20:49 +0100 (CET) Received: from relay4-d.mail.gandi.net ([217.70.183.196]) by mfilter10-d.gandi.net (mfilter10-d.gandi.net [10.0.15.180]) (amavisd-new, port 10024) with ESMTP id jqPc2aVcCz24 for ; Sun, 9 Dec 2012 12:20:48 +0100 (CET) Received: from [192.168.1.66] (AMontpellier-256-1-59-175.w90-28.abo.wanadoo.fr [90.28.26.175]) (Authenticated sender: swami@petaramesh.org) by relay4-d.mail.gandi.net (Postfix) with ESMTPSA id DE463172074 for ; Sun, 9 Dec 2012 12:20:47 +0100 (CET) Message-ID: <50C4740E.1060906@petaramesh.org> Date: Sun, 09 Dec 2012 12:20:46 +0100 From: =?ISO-8859-1?Q?Sw=E2mi_Petaramesh?= MIME-Version: 1.0 To: Linux Btrfs Subject: Re: BTRFS, getting darn slower everyday References: <50714AC8.4010100@petaramesh.org> <201210071259.05801.Martin@lichtvoll.de> <50718C44.2080701@petaramesh.org> <201210071648.54027.Martin@lichtvoll.de> <20121209164125.1bd91f23@natsu> In-Reply-To: <20121209164125.1bd91f23@natsu> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-btrfs-owner@vger.kernel.org List-ID: Le 09/12/2012 11:41, Roman Mamedov a écrit : > CoW filesystem incurs fragmentation by its nature, not specifically snapshots. > Even without snapshots, rewriting portions of existing files will write the > new blocks not over the original ones, but elsewhere, thus increasing > fragmentation. Is it to expect that somewhere in the future, BTRFS will be able to defragment itself without duplicating snapshot data ? -- Swâmi Petaramesh http://petaramesh.org PGP 9076E32E Ne cherchez pas : Je ne suis pas sur Facebook.