> On 17 Mar 2015, at 21:41, Thomas Weise <[email protected]> wrote: > > Absent YARN support, would it make sense to add logic in the Slider AM to > ensures anti-affinity.
+1 > It would be possible to do this by requesting > specific hosts, if the initial AM response does not return all containers > on different hosts. > I'm doing the SLIDER-799 escalation code right now, primarily so that the AM doesn't ask for relaxed placement until a time period has expired. It'll use the persisted placement history to select those first locations (skipping ones considered recently unreliable) I suppose we could extend that to an initial startup (or any situation where you want more instances than you have any record of) to pick some at random & escalate if unmet. ...feature creep for a Placement Phase III JIRA, I suspect...
