From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@gnu.org>
Subject: bug#38167: guix pull takes over 8 GiB of memory to finish if there
 are no substitutes
Date: Fri, 27 Dec 2019 19:08:48 +0100
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References: <20191111080635.14f7b39a@scratchpost.org>
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To: Danny Milosavljevic <dannym@scratchpost.org>
Cc: 38167@debbugs.gnu.org

Hi!

Danny Milosavljevic <dannym@scratchpost.org> skribis:

> On Mon, 11 Nov 2019 21:42:24 +0100
> Ludovic Court=C3=A8s <ludo@gnu.org> wrote:
>
>> Also, it would be great if you could identify which derivation build
>> requires that much memory, if this was happening sequentially.  (I
>> suspect =E2=80=9Cguix-packages.drv=E2=80=9D is the one that eats up the =
most memory.)
>
> How do I do that?

You could look at the output of =E2=80=9Cguix processes=E2=80=9D and find o=
ut which
session child process is consuming memory.

> I've attached the process tree, filtered by "grep guix", of the latest su=
ch
> occurence (if this E-Mail still makes it before I have no memory left :P).

AFAICS this excludes the actual build process (which runs =E2=80=9Cguile=E2=
=80=9D, not
=E2=80=9Cguix=E2=80=9D).

HTH!

Ludo=E2=80=99.