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From: Alexandre Oliva <lxoliva@fsfla.org>
To: "Ludovic Courtès" <ludo@gnu.org>
Cc: Guix Devel <guix-devel@gnu.org>
Subject: Re: ISO image: to xz or not to xz?
Date: Mon, 03 May 2021 13:47:02 -0300	[thread overview]
Message-ID: <oreeenix2x.fsf@lxoliva.fsfla.org> (raw)
In-Reply-To: <878s52rwna.fsf@gnu.org> ("Ludovic \=\?utf-8\?Q\?Court\=C3\=A8s\=22'\?\= \=\?utf-8\?Q\?s\?\= message of "Wed, 28 Apr 2021 22:18:01 +0200")

On Apr 28, 2021, Ludovic Courtès <ludo@gnu.org> wrote:

> However, it’s apparently quite unusual to distribute compressed ISOs and
> some services/tools such as libosinfo require plain ISOs (uncompressed).

Indeed, install ISOs normally hold already-compressed filesystems or
files, so recompressing the .iso doesn't gain much if at all.

> Should we distribute the installation ISO without xz compression?

If the iso is so compressible, offering a compressed version for
download makes sense, but it will still be wasteful of install media.

Consider using something like a loopback-mounted squashfs for the bulk
of the data in the install media for a future release.

-- 
Alexandre Oliva, happy hacker                https://FSFLA.org/blogs/lxo/
   Free Software Activist                       GNU Toolchain Engineer
Disinformation flourishes because many people care deeply about injustice
but very few check the facts.  Ask me about <https://stallmansupport.org>


  parent reply	other threads:[~2021-05-03 16:49 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-28 20:18 ISO image: to xz or not to xz? Ludovic Courtès
2021-04-28 20:39 ` Vincent Legoll
2021-04-28 20:41 ` Simon Josefsson via Development of GNU Guix and the GNU System distribution.
2021-05-02 21:16   ` [PATCH] maint: Do not xz-compress ISO images Ludovic Courtès
2021-05-03  0:15     ` [bug#48173] " Julien Lepiller
2021-05-03  7:50       ` François
2021-05-03 15:39       ` bug#48173: " Ludovic Courtès
2021-05-03 16:35         ` Julien Lepiller
2021-05-04  3:35           ` Maxim Cournoyer
2021-05-03 15:54       ` Ludovic Courtès
2021-04-28 21:16 ` ISO image: to xz or not to xz? Christopher Baines
2021-04-28 21:18 ` Leo Famulari
2021-05-03 16:47 ` Alexandre Oliva [this message]
2021-05-03 17:07   ` Leo Famulari
2021-05-03 17:30     ` Vagrant Cascadian
2021-05-03 19:12       ` Tobias Geerinckx-Rice
2021-05-03 19:57         ` Vagrant Cascadian
2021-05-03 17:41   ` Tobias Geerinckx-Rice

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