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

Class ConfiguredNodeLabels

java.lang.Object

org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ConfiguredNodeLabels

public class ConfiguredNodeLabels
extends Object

Contains node labels for all queues extracted from configuration properties. A queue has a configured node label if it has a property set with an accessible-node-labels prefix. Example: yarn.scheduler.capacity.root.accessible-node-labels.test-label.capacity

Constructor Summary

Constructors

Constructor	Description
ConfiguredNodeLabels()
ConfiguredNodeLabels(CapacitySchedulerConfiguration conf)

Method Summary

Modifier and Type	Method	Description
Set<String>	getAllConfiguredLabels()	Get all configured node labels aggregated from each queue.
Set<String>	getLabelsByQueue(String queuePath)	Returns a set of configured node labels for a queue.
void	setLabelsByQueue(String queuePath, Collection<String> nodeLabels)	Set node labels for a specific queue.

Methods inherited from class java.lang.Object

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

Constructor Details

ConfiguredNodeLabels

public ConfiguredNodeLabels()

ConfiguredNodeLabels

public ConfiguredNodeLabels(CapacitySchedulerConfiguration conf)

Method Details

getLabelsByQueue

public Set<String> getLabelsByQueue(String queuePath)

Returns a set of configured node labels for a queue. If no labels are set for a queue, it defaults to a one element immutable collection containing empty label.

Parameters:

queuePath - path of the queue

Returns:

configured node labels or an immutable set containing the empty label

setLabelsByQueue

public void setLabelsByQueue(String queuePath,
 Collection<String> nodeLabels)

Set node labels for a specific queue.

Parameters:

queuePath - path of the queue

nodeLabels - configured node labels to set

getAllConfiguredLabels

public Set<String> getAllConfiguredLabels()

Get all configured node labels aggregated from each queue.

Returns:

all node labels