From owner-freebsd-ports@FreeBSD.ORG Tue Nov 30 03:12:05 2010 Return-Path: Delivered-To: freebsd-ports@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 786751065694 for ; Tue, 30 Nov 2010 03:12:05 +0000 (UTC) (envelope-from julien.laffaye@gmail.com) Received: from mail-gx0-f182.google.com (mail-gx0-f182.google.com [209.85.161.182]) by mx1.freebsd.org (Postfix) with ESMTP id 2E8288FC1A for ; Tue, 30 Nov 2010 03:12:05 +0000 (UTC) Received: by gxk8 with SMTP id 8so2621173gxk.13 for ; Mon, 29 Nov 2010 19:12:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:sender:received :in-reply-to:references:date:x-google-sender-auth:message-id:subject :from:to:cc:content-type; bh=HRlKZYJMlgz0R4T62wZZ44mf2dTqq6MtTM9EMJYHv9A=; b=P/CDJAbnjr2fzQ0Q/3s7wtYvlkF4YzUkV7oexFlk3Te7siUdvjjFX7iWwWH8iAqyz9 6l2xHkxvePnCjYw2wXsSbZ3GrZwH0F4Aoj4vQuk2Y2sxzf/4g9etStcrsU3q4+LAcZrc 4i4hQWb0yjZkP2fMMZ+Kx3x813NT1JZhDRTJA= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; b=EG3PeKzMyhanSGZ4LylYe0DKyCfy5m97lUC/CYkLKAhpK2dS7JEKzM/7Q/goAjAtvf wVJSk2a3U49LfOh0tRLizTqVyHC9oIzUoIvTK4XjLElUFmNTXrK33Udwyxl/3+mQjlJd C9nVHCpEsZdqz4MHObq+k0rkFQOMTTFFyaSp4= MIME-Version: 1.0 Received: by 10.100.202.2 with SMTP id z2mr1976144anf.266.1291084845249; Mon, 29 Nov 2010 18:40:45 -0800 (PST) Sender: julien.laffaye@gmail.com Received: by 10.236.110.144 with HTTP; Mon, 29 Nov 2010 18:40:45 -0800 (PST) In-Reply-To: <4CF439F1.6050703@gmx.de> References: <4CF38D7F.6070206@gmx.de> <4CF3F16E.3020501@DataIX.net> <4CF439F1.6050703@gmx.de> Date: Tue, 30 Nov 2010 02:40:45 +0000 X-Google-Sender-Auth: H1SptVH0QY8cH3nW_59mmxleHgc Message-ID: From: Julien Laffaye To: Matthias Andree Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-ports@freebsd.org Subject: Re: packages compressed with xz X-BeenThere: freebsd-ports@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting software to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 30 Nov 2010 03:12:05 -0000 On 11/29/2010 23:40, Matthias Andree wrote: You can specify limits during compression, so the question is should we do that so that hosts with N MB of RAM can decompress packages? Do we retain the compression ratio over bzip2 if we limit compression memory to 512 MB so that decompression would be possible with, say, 128 MB? According to xz(1), in its default mode (-6), xz uses ~100MiB for compression and ~10MiB for decompression. That seems to be acceptable.