[systemd-devel] Where did DefaultControllers= option go?

Thomas Bächler thomas at archlinux.org
Tue Oct 29 17:39:27 CET 2013


Am 29.10.2013 17:21, schrieb Colin Guthrie:
> Hi,
> 
> 'Twas brillig, and Umut Tezduyar at 29/10/13 15:17 did gyre and gimble:
>> I have noticed DefaultControllers= option is no longer in system.conf
>> file. Has it been moved to somewhere else or are all controllers
>> default controllers by default?
> 
> See the various posts on this list and in blogs regarding the cgroups
> rework. In particular see the mails with the subject "[HEADSUP] cgroup..."
> 
> See also:
> http://www.freedesktop.org/wiki/Software/systemd/ControlGroupInterface/

None of this explains why systemd no longer applies certain controllers
by default. Previously, systemd would attach cpu controllers to each
service by default. Now, it only groups your processes in the systemd
tree, but does not touch any cgroup controllers.

The new default behaviour (or lack thereof) seems like a step back to me.


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