Hi Tejun, On Mon, Jan 28, 2019 at 8:05 AM Tejun Heo <tj@xxxxxxxxxx> wrote: > > Hello, Shakeel. > > On Mon, Jan 28, 2019 at 07:59:33AM -0800, Shakeel Butt wrote: > > Why not make this configurable at the delegation boundary? As you > > mentioned, there are jobs who want centralized workload manager to > > watch over their subtrees while there can be jobs which want to > > monitor their subtree themselves. For example I can have a job which > > know how to act when one of the children cgroup goes OOM. However if > > the root of that job goes OOM then the centralized workload manager > > should do something about it. With this change, how to implement this > > scenario? How will the central manager differentiates between that a > > subtree of a job goes OOM or the root of that job? I guess from the > > discussion it seems like the centralized manager has to traverse that > > job's subtree to find the source of OOM. > > > > Why can't we let the implementation of centralized manager easier by > > allowing to configure the propagation of these notifications across > > delegation boundary. > > I think the right way to achieve the above would be having separate > recursive and local counters. > Do you envision a separate interface/file for recursive and local counters? That would make notifications simpler but that is an additional interface. Shakeel
