[systemd-devel] Feedback sought: can we drop cgroupv1 support soon?

[Dimitri John Ledkov]

On Mon, 7 Aug 2023 at 17:26, Lennart Poettering <lennart at poettering.net> wrote:
>
> On Do, 20.07.23 01:59, Dimitri John Ledkov (dimitri.ledkov at canonical.com) wrote:
>
> > Some deployments that switch back their modern v2 host to hybrid or v1, are
> > the ones that need to run old workloads that contain old systemd. Said old
> > systemd only has experimental incomplete v2 support that doesn't work with
> > v2-only (the one before current stable magick mount value).
>
> What's stopping you from mounting a private "named" cgroup v1
> hierarchy to such containers (i.e. no controllers). systemd will then
> use that when taking over and not bother with mounting anything on its
> own, such as a cgroupv2 tree.
>
> that should be enough to make old systemd happy.
>

Let me see if I can create all the right config files to attempt that.
I have some other constraints which may prevent this, but hopefully i
can provide sufficient workarounds to get this over the barrier.


--
okurrr,

Dimitri