DO NOT USE THIS INSTANCE FOR LIVE DATA!!!!
This JIRA consolidates the efforts of YARN-5468 and YARN-4902. It adds support for rich placement constraints to YARN, such as affinity and anti-affinity between allocations within the same or across applications.
YARN-7142 Support placement policy in yarn native services
YARN-7441 Support placement policy in yarn service
YARN-5468 Scheduling of long-running applications
YARN-5906 Update AppSchedulingInfo to use SchedulingPlacementSet
YARN-7812 Improvements to Rich Placement Constraints in YARN