org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity

Class FifoIntraQueuePreemptionPlugin

java.lang.Object

org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.FifoIntraQueuePreemptionPlugin

public class FifoIntraQueuePreemptionPlugin
extends Object

FifoIntraQueuePreemptionPlugin will handle intra-queue preemption for priority and user-limit.

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.CapacitySchedulerPreemptionContext	context
protected org.apache.hadoop.yarn.util.resource.ResourceCalculator	rc

Constructor Summary

Constructors

Constructor and Description
FifoIntraQueuePreemptionPlugin(org.apache.hadoop.yarn.util.resource.ResourceCalculator rc, org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.CapacitySchedulerPreemptionContext preemptionContext)

Method Summary

Modifier and Type	Method and Description
void	computeAppsIdealAllocation(org.apache.hadoop.yarn.api.records.Resource clusterResource, org.apache.hadoop.yarn.api.records.Resource partitionBasedResource, TempQueuePerPartition tq, Map<org.apache.hadoop.yarn.api.records.ApplicationAttemptId,Set<RMContainer>> selectedCandidates, org.apache.hadoop.yarn.api.records.Resource totalPreemptedResourceAllowed, org.apache.hadoop.yarn.api.records.Resource queueReassignableResource, float maxAllowablePreemptLimit)
Map<String,org.apache.hadoop.yarn.api.records.Resource>	getResourceDemandFromAppsPerQueue(String queueName, String partition)
void	validateOutSameAppPriorityFromDemand(org.apache.hadoop.yarn.api.records.Resource cluster, TreeSet<TempAppPerPartition> appsOrderedfromLowerPriority)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

context

protected final org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.CapacitySchedulerPreemptionContext context

rc

protected final org.apache.hadoop.yarn.util.resource.ResourceCalculator rc

Constructor Detail

FifoIntraQueuePreemptionPlugin

public FifoIntraQueuePreemptionPlugin(org.apache.hadoop.yarn.util.resource.ResourceCalculator rc,
                                      org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.CapacitySchedulerPreemptionContext preemptionContext)

Method Detail

getResourceDemandFromAppsPerQueue

public Map<String,org.apache.hadoop.yarn.api.records.Resource> getResourceDemandFromAppsPerQueue(String queueName,
                                                                                                 String partition)

computeAppsIdealAllocation

public void computeAppsIdealAllocation(org.apache.hadoop.yarn.api.records.Resource clusterResource,
                                       org.apache.hadoop.yarn.api.records.Resource partitionBasedResource,
                                       TempQueuePerPartition tq,
                                       Map<org.apache.hadoop.yarn.api.records.ApplicationAttemptId,Set<RMContainer>> selectedCandidates,
                                       org.apache.hadoop.yarn.api.records.Resource totalPreemptedResourceAllowed,
                                       org.apache.hadoop.yarn.api.records.Resource queueReassignableResource,
                                       float maxAllowablePreemptLimit)

validateOutSameAppPriorityFromDemand

public void validateOutSameAppPriorityFromDemand(org.apache.hadoop.yarn.api.records.Resource cluster,
                                                 TreeSet<TempAppPerPartition> appsOrderedfromLowerPriority)