GNU bug report logs - #27476
Multi-threaded compilation of 'syntax-parameterize' forms crashes

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Message #53 received at 27476 <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: Ricardo Wurmus <rekado <at> elephly.net>
Cc: Andy Wingo <wingo <at> igalia.com>, help-guix <at> gnu.org, 27476 <at> debbugs.gnu.org
Subject: Re: guix pull fails on powerful server
Date: Tue, 10 Oct 2017 13:32:30 +0200

Ricardo Wurmus <rekado <at> elephly.net> skribis:

> Ludovic Courtès <ludo <at> gnu.org> writes:
>
>> Ricardo Wurmus <rekado <at> elephly.net> skribis:
>>
>>> I’ve tried “guix pull” on the same server again, this time limiting CPUs
>>> with “taskset -c 0 guix pull”:
>>
>> As a stopgap, commit aba219af0fed6a349af930f19c913fb87e6a69dd ensures
>> that ‘--cores’ is honored.  So if you run “guix pull --cores=1”, it will
>> build things sequentially.
>>
>> Now, to take advantage of that, you first need to update to the current
>> Guix…
>
> Thank you, this worked!
>
> On that server I built Guix from source and then let the users pull with
> “--cores=1” to update their own Guix.

You could also run guix-daemon with --cores=4 or similar, so that it
uses 4 cores by default (few package builds scale beyond that anyway),
and then maybe --max-jobs=4 so you don’t waste the other cores.  ;-)

Ludo’.

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