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 0A093138A1F for ; Mon, 27 Jan 2014 13:55:09 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 93BF2E0F2B; Mon, 27 Jan 2014 13:55:03 +0000 (UTC) Received: from mail-bk0-f44.google.com (mail-bk0-f44.google.com [209.85.214.44]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 87721E0E94 for ; Mon, 27 Jan 2014 13:55:02 +0000 (UTC) Received: by mail-bk0-f44.google.com with SMTP id mz12so2835098bkb.17 for ; Mon, 27 Jan 2014 05:55:01 -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=UF6RK8tG3oQyQNWLhmgL+F7RpYHeosHhgtVxvJfah8s=; b=aUnNtH+aMYVCl2hpqY5FtU7hJ2iw9czePv+Zqtd80SpspToaf+MEcmbiVqyiO/qXAv 5NcoeV62xzc2dG4RTxzKYKBb/JjyJgUSyRqt5xbioLwSy+9CgcDwI2sqsmPlqlQLHFKz iBNiQ4hXLgyvcUwJIxgMDKNTKF0b6LGtAfDR+KT2GzhStJvdbUyDR86lGCMMnFlhJfiH 5tTv49WdU1nSbF9d47jFqqh/xG57NYh0+oWLrf624TDYJ7ZTY/FkYYcmG3SXQCajOzVS hMs13SRK4USPgqiK8t+QTGLU0KqtRKoolfcBt/EgUIkev2yhEZg+RYfrG2PPdbwm0AhT JC2Q== X-Received: by 10.204.235.137 with SMTP id kg9mr726874bkb.107.1390830901035; Mon, 27 Jan 2014 05:55:01 -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 tf11sm13576419bkb.17.2014.01.27.05.54.59 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 27 Jan 2014 05:55:00 -0800 (PST) Message-ID: <52E664DE.9070700@gmail.com> Date: Mon, 27 Jan 2014 14:53:34 +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> <20140126210040.203f604c@pomiot.lan> <1390808152.24681.41.camel@oswin.hackershack.net> In-Reply-To: <1390808152.24681.41.camel@oswin.hackershack.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Archives-Salt: 7b4e3601-b609-404a-9bd1-793d83d3484d X-Archives-Hash: 70d96f29d82868aa0e1ea18188540fb5 On 01/27/14 08:35, Steev Klimaszewski wrote: > On Sun, 2014-01-26 at 21:00 +0100, Michał Górny wrote: >> Hi again. >> >> If someone is interested in the results of my tests and benchmarks, >> I've uploaded the initial version of my article on the topic in our >> dev-space. >> >> http://dev.gentoo.org/~mgorny/tmp/squashfs-deltas.pdf >> >> I am terribly busy with the uni right now so it will take some time >> before I continue working on it. I will try to provide a final >> specification for the first attempt at the idea and ask infra if they >> are ready to sacrifice the hardware for it. >> >> Further possible improvements: >> >> 1. switch to LZ4 (stronger compression, even faster) -- will require >> a newer kernel (3.14?), >> it should be in kernel 3.11 "windows for workgroups" release (check anyway) > While the stronger compression, and being faster is definitely nice, > having portage on squashfs is really nice on ARM devices, however the > number of them that have a decently running kernel newer than 3.8 are > few and far between, so I'd like to ask that this be held off as long as > possible. I know these are just possible improvements, but doing so > would definitely alienate a really good place where this would shine. yes, there are good reasons also for amd64 > >> 2. dedicated SquashFS delta tool -- I'm working on it but >> the format seems to be poorly documented so it will take some time :). >> > >