GNU bug report logs - #33600
[PATCH 0/3] Defaulting to ci.guix.info (aka. berlin.guixsd.org)

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Message #112 received at 33600 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Pierre Neidhardt <mail <at> ambrevar.xyz>
Cc: guix-devel <at> gnu.org, Hartmut Goebel <h.goebel <at> crazy-compilers.com>,
 33600 <at> debbugs.gnu.org
Subject: Compressing nars with lzip or similar
Date: Fri, 14 Dec 2018 15:48:24 +0100

Pierre Neidhardt <mail <at> ambrevar.xyz> skribis:

> Talking about this, I recently discussed with Ludovic the idea of compressing
> nars in Lzip instead of gzip.
>
> http://lzip.nongnu.org/lzip.html (benchmark included)
>
> I can work on some Lzip guile-bindings, it should be quite easy, then we could
> save some 10-50% (!!!) disk usage.

That would be sweet!

Though we have to keep in mind that today’s ‘guix substitute’ doesn’t
know about lzip at all (see (guix scripts substitute) and
‘call-with-decompressed-port’.)  So while lzip would be my preference,
we may not be able to use it until we can be sure our users can actually
unpack it.

Ludo’.

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