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From: ludo@gnu.org (Ludovic Courtès)
To: Mark H Weaver <mhw@netris.org>
Cc: 27780@debbugs.gnu.org
Subject: bug#27780: guix environment to build guile from git required excessive CPU time
Date: Mon, 24 Jul 2017 11:02:13 +0200	[thread overview]
Message-ID: <87pocqp5re.fsf@gnu.org> (raw)
In-Reply-To: <87pocucx0o.fsf@netris.org> (Mark H. Weaver's message of "Thu, 20 Jul 2017 23:02:47 -0400")

Hi Mark,

Mark H Weaver <mhw@netris.org> skribis:

> I just ran the following command on my Thinkpad X200 running GuixSD:
>
>   ./pre-inst-env guix environment guile --ad-hoc autoconf automake libtool flex gettext
>
> Using the guix client from a git checkout at v0.13.0-1496-gcfd6a3b1e,
> and using guix-daemon from guix-0.13.0-3.b547349.
>
> This command took approximately 20 minutes of CPU time before
> downloading anything except possibly some NARINFOs.  During this initial
> 20 minutes of CPU-bound activity, the only output was 4 occurrences of
> the following message:
>
> substitute: updating list of substitutes from 'https://mirror.hydra.gnu.org'... 100.0%
>
> The CPU time was roughly evenly split between the following two
> processes:
>
> USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
> root      8456 57.0  0.1  37420  7788 ?        Rs   22:27  11:31  \_ /gnu/store/gkv8zl774h2qpa89mrf6d74fry3rsnpa-guix-0.13.0-3.b547349/bin/guix-daemon 8450                guixbuild --max-silent-time 0 --timeout 0 --substitute-urls https://mirror.hydra.gnu.org --gc-keep-derivations=yes --gc-keep-outputs=yes
> root      8457 45.0  0.9 124040 38556 ?        Rl   22:27   9:03      \_ /gnu/store/z16li2znnk2pdgrg3ldm34k669pcrdcx-guile-2.2.2/bin/guile --no-auto-compile /gnu/store/gkv8zl774h2qpa89mrf6d74fry3rsnpa-guix-0.13.0-3.b547349/bin/.guix-real substitute --query

Is it reproducible?  If/when that happens again, could you ‘strace’ the
‘guix substitute’ process?

Any idea whether hydra.gnu.org was loaded at the time and returning 504
(“Gateway Timeout”)?

Thanks,
Ludo’.

  reply	other threads:[~2017-07-24  9:03 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-21  3:02 bug#27780: guix environment to build guile from git required excessive CPU time Mark H Weaver
2017-07-24  9:02 ` Ludovic Courtès [this message]
2021-01-10 19:14   ` Maxim Cournoyer
2021-01-10 23:46     ` Mark H Weaver
2021-01-11  2:43       ` Maxim Cournoyer

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