Bulk Operation

YARN-5139 Proactively relocate allocated containers from a stopped node

YARN-5139 Use threadPool to handle async scheduling threads

YARN-5139 Add multi-thread asynchronous scheduling to fair scheduler

YARN-5139 Support dynamic policy updates in Capacity Scheduler

YARN-5139 The capacity scheduler logs too frequently seriously affecting performance

YARN-5139 Delay scheduling should be an individual policy instead of part of scheduler implementation

YARN-5139 Global scheduler applies to Fair scheduler

YARN-5139 Should consider utilization of each ResourceType on node while scheduling

YARN-5139 Update javadocs of new added APIs / classes of scheduler/AppSchedulingInfo