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From: zimoun <>
To: Pjotr Prins <>
Subject: Re: Reproducible Research Hackathon: Friday, July 3rd
Date: Wed, 01 Jul 2020 11:10:23 +0200
Message-ID: <> (raw)
In-Reply-To: <>

Hi Pjotr,

Thank you for sharing your plans.

On Tue, 30 Jun 2020 at 23:57, Pjotr Prins <> wrote:

> GenNetwork1 depends on Python 2.4(!) with modules that have not been
> updated this century, and an older version of Apache with mod_python,
> amongst other things. We would like to use the guix time-machine
> feature to run older versions on demand in containers, also for the
> recent GeneNetwork2 version which runs on a modern Guix stack. When we
> get it to work I would like to push the older packages in Guix-Past.

I guess that the recent commit [1] by Efraim is part of this effort. :-)

By container, what do you have in mind:
    guix time-machine --channels=file.scm \

 -- environment --container
 -- pack -f 
 -- system *-image



> Note that GeneNetwork requires a largisch MySQL/MariaDB (170GB)
> which is also a snapshot in time. We have 5+ snapshots of that
> database that go with 5+ versions of the code. We want to run them all
> under Guix so we no longer have to care about the underlying Linux
> distro.

I agree that Guix does not have (yet!) good management of large data
set.  The /gnu/store is not designed for that, if I have correctly
understood.  Even we have already discussed Content-Addressable Storage
(CAS) on, AFAIR, we have not ended up with a good
plan.  Well, it will not be fixed on Friday. :-)

But for sure, it is something to keep in mind.

So, see you on Friday. :-)


  reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-30 12:40 simon tournier
2020-07-01  4:57 ` Pjotr Prins
2020-07-01  9:10   ` zimoun [this message]
2020-07-01  9:21     ` Efraim Flashner
2020-07-03 17:10 ` zimoun
2020-07-03 17:36   ` Ricardo Wurmus
2020-07-03 17:56   ` Paul Garlick
2020-07-03 18:19     ` zimoun
2020-07-03 21:17     ` Ricardo Wurmus
2020-07-04  9:51   ` Konrad Hinsen

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