GNU bug report logs - #64297
[Cuirass] Remote server not picking up job, losing workers

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#64297: closed ([Cuirass] Remote server not picking up job,
 losing workers)
Date: Sat, 01 Jul 2023 16:59:02 +0000

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Your message dated Sat, 01 Jul 2023 18:57:53 +0200
with message-id <87mt0fwovi.fsf <at> gnu.org>
and subject line Re: bug#64297: [Cuirass] Remote server not picking up job, losing workers
has caused the debbugs.gnu.org bug report #64297,
regarding [Cuirass] Remote server not picking up job, losing workers
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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64297: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=64297
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From: Ludovic Courtès <ludovic.courtes <at> inria.fr>
To: bug-guix <at> gnu.org
Subject: [Cuirass] Remote server not picking up job, losing workers
Date: Mon, 26 Jun 2023 10:54:12 +0200

As of cuirass <at> 1.1.0-16.b825967, ‘cuirass remote-server’ appears to not
pick jobs as quickly as it should and to lose sight of workers (you can
see them come and go on <https://ci.guix.gnu.org/workers>).

/var/log/cuirass-remote-worker.log shows that it does build things, but
only sporadically.  Then there are things like:

  2023-06-26 10:07:58 warning: Poll loop busy during 3404 seconds.

This is presumably related to Cuirass commit
c4743b54720e86b0e0b0295fb6d33977e4293644 (previously ‘remote-worker’
would have a database worker thread; now it opens a new connection every
time—a stopgap before it’s fiberized, but apparently not a good one).

Ludo’.

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From: Ludovic Courtès <ludo <at> gnu.org>
To: Christopher Baines <mail <at> cbaines.net>
Cc: 64297-done <at> debbugs.gnu.org
Subject: Re: bug#64297: [Cuirass] Remote server not picking up job, losing
 workers
Date: Sat, 01 Jul 2023 18:57:53 +0200

Hello,

Christopher Baines <mail <at> cbaines.net> skribis:

> Ludovic Courtès <ludo <at> gnu.org> writes:
>
>> Ludovic Courtès <ludo <at> gnu.org> skribis:
>>
>>> The problem is most likely with the connection-to-port caching in
>>> squee’s ‘connection-socket-port’, as can be seen in this other trace
>>> where I added ‘pk’ calls in ‘connection-socket-port’:
>>
>> Confirmed, with a fix!
>>
>>   https://notabug.org/cwebber/guile-squee/pulls/8
>
> I've merged that change, updated guile-squee in Guix, pulled on berlin,
> reconfigured and restarted Cuirass now.

Awesome, thanks a lot!  It does seem to be working hard now.

(I’ve just reconfigured as well, as I hadn’t seen your message…)

Ludo’.

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