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

Interface MutableConfScheduler

All Superinterfaces:

org.apache.hadoop.yarn.event.EventHandler<SchedulerEvent>, Recoverable, ResourceScheduler, YarnScheduler

All Known Implementing Classes:

CapacityScheduler

public interface MutableConfScheduler
extends ResourceScheduler

Interface for a scheduler that supports changing configuration at runtime.

Method Summary

Modifier and Type	Method	Description
org.apache.hadoop.conf.Configuration	getConfiguration()	Get the scheduler configuration.
MutableConfigurationProvider	getMutableConfProvider()	Get scheduler's configuration provider, so other classes can directly call mutation APIs on configuration provider.
Queue	getQueue(String queueName)	Get queue object based on queue name.
boolean	isConfigurationMutable()	Return whether the scheduler configuration is mutable.

Methods inherited from interface org.apache.hadoop.yarn.event.EventHandler

handle

Methods inherited from interface org.apache.hadoop.yarn.server.resourcemanager.recovery.Recoverable

recover

Methods inherited from interface org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler

attemptAllocationOnNode, getNodeIds, reinitialize, resetSchedulerMetrics, setRMContext

Methods inherited from interface org.apache.hadoop.yarn.server.resourcemanager.scheduler.YarnScheduler

addQueue, allocate, checkAccess, checkAndGetApplicationLifetime, checkAndGetApplicationPriority, getAppResourceUsageReport, getAppsInQueue, getClusterResource, getMaxClusterLevelAppPriority, getMaximumApplicationLifetime, getMaximumResourceCapability, getMaximumResourceCapability, getMinimumResourceCapability, getNodeReport, getNormalizedResource, getNumClusterNodes, getPendingResourceRequestsForAttempt, getPendingSchedulingRequestsForAttempt, getPlanQueues, getQueueInfo, getQueueUserAclInfo, getResourceCalculator, getRMContainer, getRootQueueMetrics, getSchedulerAppInfo, getSchedulerNode, getSchedulingResourceTypes, getTransferredContainers, killAllAppsInQueue, moveAllApps, moveApplication, preValidateMoveApplication, removeQueue, setClusterMaxPriority, setEntitlement, updateApplicationPriority

Method Details

getConfiguration

org.apache.hadoop.conf.Configuration getConfiguration()

Get the scheduler configuration.

Returns:

the scheduler configuration

getQueue

Queue getQueue(String queueName)

Get queue object based on queue name.

Parameters:

queueName - the queue name

Returns:

the queue object

isConfigurationMutable

boolean isConfigurationMutable()

Return whether the scheduler configuration is mutable.

Returns:

whether scheduler configuration is mutable or not.

getMutableConfProvider

MutableConfigurationProvider getMutableConfProvider()

Get scheduler's configuration provider, so other classes can directly call mutation APIs on configuration provider.

Returns:

scheduler's configuration provider