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Re: guix-daemon hitting systemd TasksMax
From: |
Leo Famulari |
Subject: |
Re: guix-daemon hitting systemd TasksMax |
Date: |
Mon, 18 Apr 2016 16:33:45 -0400 |
User-agent: |
Mutt/1.5.24 (2015-08-30) |
On Sun, Apr 17, 2016 at 12:46:16AM +0200, Ludovic Courtès wrote:
> Leo Famulari <address@hidden> skribis:
>
> > On Sat, Apr 16, 2016 at 03:12:15PM +0200, Joram Schrijver wrote:
> >> I am running Arch Linux, also with systemd 229. It doesn't look like
> >> Debian applies any patches to systemd, so our installations should
> >> pretty much be the same.
> >>
> >> Perhaps the limit is only reached during the build process of some
> >> specific packages?
> >
> > `guix pull` usually doesn't build any packages, but sometimes it does
> > need to. My (limited) understanding is that it sometimes needs to build
> > (or download) updated dependencies of Guix itself.
> >
> > Do you think the number of "Tasks" would increase with more cores? I
> > only have 4 cores on my machines. Maybe if you had more, the builders
> > spawned by your guix-daemon would run more tasks as a consequence of
> > using all the cores.
>
> Right, ‘guix pull’ entails a build of Guix using as many cores as
> possible, with one process per core (and I think each Guile has two
> threads, one of which is the signal delivery thread.)
>
> So, if the limit on the total number of threads + processes is 512 and
> you have 256 cores or more (lucky you!), you may hit the limit.
Joram, are you this lucky? ;)
- guix-daemon hitting systemd TasksMax, Joram Schrijver, 2016/04/15
- Re: guix-daemon hitting systemd TasksMax, Efraim Flashner, 2016/04/15
- Re: guix-daemon hitting systemd TasksMax, Leo Famulari, 2016/04/15
- Re: guix-daemon hitting systemd TasksMax, Joram Schrijver, 2016/04/16
- Re: guix-daemon hitting systemd TasksMax, Leo Famulari, 2016/04/16
- Re: guix-daemon hitting systemd TasksMax, Ludovic Courtès, 2016/04/16
- Re: guix-daemon hitting systemd TasksMax,
Leo Famulari <=
- Re: guix-daemon hitting systemd TasksMax, Joram Schrijver, 2016/04/18
- Re: guix-daemon hitting systemd TasksMax, Ludovic Courtès, 2016/04/19
- Re: guix-daemon hitting systemd TasksMax, Leo Famulari, 2016/04/19
- Re: guix-daemon hitting systemd TasksMax, Ludovic Courtès, 2016/04/25