On Mon, Jun 24, 2013 at 4:40 PM, Tejun Heo <t...@kernel.org> wrote: > Hello, > > On Mon, Jun 24, 2013 at 4:38 PM, Andy Lutomirski <l...@amacapital.net> wrote: >> Now I'm confused. I thought that support for multiple hierarchies was >> going away. Is it here to stay after all? > > It is going to be deprecated but also stay around for quite a while. > That said, I didn' t mean to use multiple hierarchies. I was saying > that if you build a sub-hierarchy in the unified hierarchy, you're > likely to get away with it in most cases.
Isn't that exactly what I was originally asking for? Quoting from earlier in the thread: On Mon, Jun 24, 2013 at 6:27 AM, Lennart Poettering <lenn...@poettering.net> wrote: > On Sat, 22.06.13 15:19, Andy Lutomirski (l...@amacapital.net) wrote: >> >> 2. I manage services and tasks outside systemd (for one thing, I >> currently use Ubuntu, but even if I were on Fedora, I have a bunch >> of fine-grained things that figure out how they're supposed to >> allocate resources, and porting them to systemd just to keep working >> in the new world order would be a PITA [1]). >> [...] > >> I think that what I want are something like sub-unit cgroups -- I >> want to be able to ask systemd to further subdivide the group for my >> unit, login session, or whatever. Would this be reasonable? >> (Another way of thinking of this is that a unit would have a whole >> cgroup hierarchy instead of just one cgroup.) > > The idea is not even to allow this. Basically, if you want to partitions > your daemon into different cgroups you need to do that through systemd's > abstractions: slices and services. To make this more palatable we'll > introduce "throw-away" units though, so that you can dynamically run > something as a workload and don't need to be concerned about naming > this, or cleaning it up. > If I can subdivide my service in the hierarchy, then I'm happy. If this gets lost *and* systemd insists on controlling the one and only cgroup hierarchy, then I think I have serious problems with the new regime. --Andy _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel
