From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1FxirK-0000ad-2B for qemu-devel@nongnu.org; Tue, 04 Jul 2006 07:14:26 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1FxirI-0000Zz-E2 for qemu-devel@nongnu.org; Tue, 04 Jul 2006 07:14:25 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1FxirI-0000Zq-6y for qemu-devel@nongnu.org; Tue, 04 Jul 2006 07:14:24 -0400 Received: from [64.233.182.188] (helo=nf-out-0910.google.com) by monty-python.gnu.org with esmtp (Exim 4.52) id 1Fxj4x-0001Sn-8S for qemu-devel@nongnu.org; Tue, 04 Jul 2006 07:28:31 -0400 Received: by nf-out-0910.google.com with SMTP id p46so1439678nfa for ; Tue, 04 Jul 2006 04:14:23 -0700 (PDT) Message-ID: <46d6db660607040414m561b7af7h45d50f7a1d6296da@mail.gmail.com> Date: Tue, 4 Jul 2006 13:14:23 +0200 From: "Christian MICHON" Subject: Re: [Qemu-devel] QCow v2 In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <1151981142.5476.13.camel@localhost.localdomain> <44AA33AD.3030300@bellard.org> <46d6db660607040344i7bc7e4cbx83fc424a6ebefa8a@mail.gmail.com> Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org 1) size... win30.qcow is 7.5Mb (no compress) 3.5Mb (with zlib) it should go down between 2.2Mb and 2.5Mb with lzma 2) we can use lzma in a standalone compressor, and the decompressor is pure C. So at least at the decompressor level, it's not really a dependency... 3) faster decompression... On 7/4/06, Johannes Schindelin wrote: > Hi, > > On Tue, 4 Jul 2006, Christian MICHON wrote: > > > how about also adding lzma compression for qcow ? > > Why lzma? We already have a dependency on zlib, why not just take that? > > Ciao, > Dscho > > > _______________________________________________ > Qemu-devel mailing list > Qemu-devel@nongnu.org > http://lists.nongnu.org/mailman/listinfo/qemu-devel > -- Christian