Bulk Operation

YARN-45 Refactor existing Preemption Policy of CS for easier adding new approach to select preemption candidates

YARN-45 Do surgical preemption based on reserved container in CapacityScheduler

YARN-45 CapacityScheduler: Improve preemption to only kill containers that would satisfy the incoming request

YARN-45 Introducing CANCEL_PREEMPTION event to notify Scheduler and AM when a container is no longer to be preempted

YARN-45 Indicate preemption timout along with the list of containers to AM (preemption message)

YARN-45 Capacity scheduler preemption policy should respect yarn.scheduler.minimum-allocation-mb when computing resource of queues

YARN-45 Preemption can prevent progress in small queues

YARN-45 Preemption of AM containers shouldn't count towards AM failures

YARN-45 CS queue level preemption should respect user-limits

YARN-45 Disable preemption at Queue level

YARN-45 Preemption: Jobs are failing due to AMs are getting launched and killed multiple times

YARN-45 Preempting an Application Master container can be kept as least priority when multiple applications are marked for preemption by ProportionalCapacityPreemptionPolicy

YARN-45 observeOnly should be checked before any preemption computation started inside containerBasedPreemptOrKill() of ProportionalCapacityPreemptionPolicy.java

YARN-45 ProportionalCapacitPreemptionPolicy handling of corner cases...

YARN-45 Preemption message shouldn’t be created multiple times for same container-id in ProportionalCapacityPreemptionPolicy

YARN-45 Preemption caused Invalid State Event: ACQUIRED at KILLED and caused a task timeout for 30mins

YARN-45 ClassCastException is thrown during preemption When a huge job is submitted to a queue B whose resources is used by a job in queueA

YARN-45 ContainerExistStatus should define a status for preempted containers

YARN-45 Expose preemption warnings in AMRMClient

YARN-45 User guide for preemption

YARN-45 CapacityScheduler: support for preemption (using a capacity monitor)

YARN-45 FairScheduler: support for work-preserving preemption

YARN-45 RM changes to support preemption for FairScheduler and CapacityScheduler

YARN-45 Inconsistent picture of how a container was killed when querying RM and NM in case of preemption

YARN-45 Add preemption to CS