From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id 2E2EF138247 for ; Fri, 17 Jan 2014 17:17:40 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 229AFE0C06; Fri, 17 Jan 2014 17:17:33 +0000 (UTC) Received: from mail-bk0-f50.google.com (mail-bk0-f50.google.com [209.85.214.50]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 161F8E0BB5 for ; Fri, 17 Jan 2014 17:17:31 +0000 (UTC) Received: by mail-bk0-f50.google.com with SMTP id w16so1082494bkz.23 for ; Fri, 17 Jan 2014 09:17:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; bh=h5Jf+Xlxj82ZCwPZiB8UR+3AhHERov10Nv/yQNU4Y7s=; b=JVti5h5JatVr+Q6OIwAFDkF7IsK2+aQzPunwPVphZ4U+1nnXN9u8YVourL4cuq15/e /sSdlIKmJDWirPwH9THi2S/U4dMZ1vRlyoRv2cY9nv/WGCfEomJRETGy0X4/YrlscR36 PUKle7r/tyhgLaApYv2xKo37odTQaHjRy5pzOG3jowsDnS4EPf77i8bHTZwbKIv9TOwH rpUP2VDjtaxnf02kSw+8uJKDeOShQqFzbFXskhzXWoH9oAyeGIzv5HDSRqK1/yWC5p+z 639ZAfQpBa2Q+CjXLlh29eJ7gGhVIx9KRh0YI3no8Ec/0YVKc0AelWmaibXwmlquIVZd uNEQ== X-Received: by 10.204.201.74 with SMTP id ez10mr596776bkb.83.1389979050689; Fri, 17 Jan 2014 09:17:30 -0800 (PST) Received: from ?IPv6:2001:1418:100:558::2? (cl-1369.trn-01.it.sixxs.net. [2001:1418:100:558::2]) by mx.google.com with ESMTPSA id tf11sm10110104bkb.17.2014.01.17.09.17.29 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 17 Jan 2014 09:17:29 -0800 (PST) Message-ID: <52D96559.7060508@gmail.com> Date: Fri, 17 Jan 2014 18:16:09 +0100 From: "vivo75@gmail.com" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-dev@lists.gentoo.org Reply-to: gentoo-dev@lists.gentoo.org MIME-Version: 1.0 To: gentoo-dev@lists.gentoo.org Subject: Re: [gentoo-dev] RFC: Hosting daily gx86 squashfs images and deltas References: <20140117172730.0c504246@pomiot.lan> In-Reply-To: <20140117172730.0c504246@pomiot.lan> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Archives-Salt: b27205ea-9b76-4961-8dfd-ede7e47b7185 X-Archives-Hash: c66565a7165526888539c5fa2c2a1392 On 01/17/14 17:27, Michał Górny wrote: > Hello, all. > > I'm using squashfs to hold my Gentoo repositories on all of my systems > for some time. As you probably know, this allows me to save space while > keeping portage fast. However, it makes updating the tree quite > burdensome and time-consuming. Me too and you have my total support (maybe I've even proposed this before to te list) [snip] > > As you can see, the deltas are quite large compared to the actual > changes. However, we could have expected that since we're diffing > a compressed filesystem. What's important, however, is that applying > it takes ~2.5 second on my 2 GHz Athlon64. Have you tried to give an order (always the same) to the compressed files? It could give an advantage, tough it may be limited to 2^16 files the option is -sort thanks for it, Francesco