Package org.apache.hadoop.yarn.server.resourcemanager.scheduler

Interface Summary

PreemptableResourceScheduler	Interface for a scheduler that supports preemption/killing
Queue
ResourceScheduler	This interface is the one implemented by the schedulers.
YarnScheduler	This interface is used by the components to talk to the scheduler for allocating of resources, cleaning up resources.

Class Summary

AbstractYarnScheduler<T extends SchedulerApplicationAttempt,N extends SchedulerNode>
ActiveUsersManager	ActiveUsersManager tracks active users in the system.
Allocation
AppSchedulingInfo	This class keeps track of all the consumption of an application.
ContainerPreemptEvent	Simple event class used to communicate containers unreservations, preemption, killing
NodeReport	Node usage report.
NodeResponse	The class that encapsulates response from clusterinfo for updates from the node managers.
QueueMetrics
SchedulerApplication<T extends SchedulerApplicationAttempt>
SchedulerApplicationAttempt	Represents an application attempt from the viewpoint of the scheduler.
SchedulerApplicationAttempt.ContainersAndNMTokensAllocation
SchedulerAppReport	Represents an application attempt, and the resources that the attempt is using.
SchedulerAppUtils
SchedulerNode	Represents a YARN Cluster Node from the viewpoint of the scheduler.
SchedulerNodeReport	Node usage report.
SchedulerUtils	Utilities shared by schedulers.

Enum Summary

ContainerPreemptEventType
NodeType	Resource classification.

Exception Summary

QueueNotFoundException
SchedulerDynamicEditException