On Sun, Apr 17, 2016 at 12:46:16AM +0200, Ludovic Courtès wrote: > Leo Famulari <l...@famulari.name> 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? ;)
