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

Class DefaultPlacementAlgorithm

java.lang.Object

org.apache.hadoop.yarn.server.resourcemanager.scheduler.constraint.algorithm.DefaultPlacementAlgorithm

All Implemented Interfaces:

ConstraintPlacementAlgorithm

public class DefaultPlacementAlgorithm
extends java.lang.Object
implements ConstraintPlacementAlgorithm

Basic placement algorithm. Supports different Iterators at SchedulingRequest level including: Serial, PopularTags

Constructor Summary

Constructors

Constructor	Description
DefaultPlacementAlgorithm()

Method Summary

Modifier and Type	Method	Description
void	init(RMContext rmContext)	Initialize the Algorithm.
void	place(ConstraintPlacementAlgorithmInput input, ConstraintPlacementAlgorithmOutputCollector collector)	The Algorithm is expected to compute the placement of the provided ConstraintPlacementAlgorithmInput and use the collector to aggregate any output.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultPlacementAlgorithm

public DefaultPlacementAlgorithm()

Method Detail

init

public void init(RMContext rmContext)

Description copied from interface: ConstraintPlacementAlgorithm

Initialize the Algorithm.

Specified by:

init in interface ConstraintPlacementAlgorithm

Parameters:

rmContext - RMContext.

place

public void place(ConstraintPlacementAlgorithmInput input,
                  ConstraintPlacementAlgorithmOutputCollector collector)

Description copied from interface: ConstraintPlacementAlgorithm

The Algorithm is expected to compute the placement of the provided ConstraintPlacementAlgorithmInput and use the collector to aggregate any output.

Specified by:

place in interface ConstraintPlacementAlgorithm

Parameters:

input - Input to the Algorithm.

collector - Collector for output of algorithm.