org.apache.hadoop.yarn.util.resource

Class Resources

java.lang.Object

org.apache.hadoop.yarn.util.resource.Resources

@InterfaceAudience.LimitedPrivate(value={"YARN","MapReduce"})
 @InterfaceStability.Unstable
public class Resources
extends Object

Constructor Summary

Constructors

Constructor and Description
Resources()

Method Summary

Modifier and Type	Method and Description
static Resource	add(Resource lhs, Resource rhs)
static Resource	addTo(Resource lhs, Resource rhs)
static Resource	clone(Resource res)
static Resource	componentwiseMax(Resource lhs, Resource rhs)
static Resource	componentwiseMin(Resource lhs, Resource rhs)
static Resource	createResource(int memory)
static Resource	createResource(int memory, int cores)
static float	divide(ResourceCalculator resourceCalculator, Resource clusterResource, Resource lhs, Resource rhs)
static Resource	divideAndCeil(ResourceCalculator resourceCalculator, Resource lhs, int rhs)
static boolean	equals(Resource lhs, Resource rhs)
static boolean	fitsIn(Resource smaller, Resource bigger)
static boolean	greaterThan(ResourceCalculator resourceCalculator, Resource clusterResource, Resource lhs, Resource rhs)
static boolean	greaterThanOrEqual(ResourceCalculator resourceCalculator, Resource clusterResource, Resource lhs, Resource rhs)
static boolean	isInvalidDivisor(ResourceCalculator resourceCalculator, Resource divisor)
static boolean	lessThan(ResourceCalculator resourceCalculator, Resource clusterResource, Resource lhs, Resource rhs)
static boolean	lessThanOrEqual(ResourceCalculator resourceCalculator, Resource clusterResource, Resource lhs, Resource rhs)
static Resource	max(ResourceCalculator resourceCalculator, Resource clusterResource, Resource lhs, Resource rhs)
static Resource	min(ResourceCalculator resourceCalculator, Resource clusterResource, Resource lhs, Resource rhs)
static Resource	multiply(Resource lhs, double by)
static Resource	multiplyAndNormalizeDown(ResourceCalculator calculator, Resource lhs, double by, Resource factor)
static Resource	multiplyAndNormalizeUp(ResourceCalculator calculator, Resource lhs, double by, Resource factor)
static Resource	multiplyAndRoundDown(Resource lhs, double by)
static Resource	multiplyTo(Resource lhs, double by)
static Resource	negate(Resource resource)
static Resource	none()
static Resource	normalize(ResourceCalculator calculator, Resource lhs, Resource min, Resource max, Resource increment)
static float	ratio(ResourceCalculator resourceCalculator, Resource lhs, Resource rhs)
static Resource	roundDown(ResourceCalculator calculator, Resource lhs, Resource factor)
static Resource	roundUp(ResourceCalculator calculator, Resource lhs, Resource factor)
static Resource	subtract(Resource lhs, Resource rhs)
static Resource	subtractFrom(Resource lhs, Resource rhs)
static Resource	unbounded()

Methods inherited from class java.lang.Object

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

Constructor Detail

Resources

public Resources()

Method Detail

createResource

public static Resource createResource(int memory)

createResource

public static Resource createResource(int memory,
                                      int cores)

none

public static Resource none()

unbounded

public static Resource unbounded()

clone

public static Resource clone(Resource res)

addTo

public static Resource addTo(Resource lhs,
                             Resource rhs)

add

public static Resource add(Resource lhs,
                           Resource rhs)

subtractFrom

public static Resource subtractFrom(Resource lhs,
                                    Resource rhs)

subtract

public static Resource subtract(Resource lhs,
                                Resource rhs)

negate

public static Resource negate(Resource resource)

multiplyTo

public static Resource multiplyTo(Resource lhs,
                                  double by)

multiply

public static Resource multiply(Resource lhs,
                                double by)

multiplyAndNormalizeUp

public static Resource multiplyAndNormalizeUp(ResourceCalculator calculator,
                                              Resource lhs,
                                              double by,
                                              Resource factor)

multiplyAndNormalizeDown

public static Resource multiplyAndNormalizeDown(ResourceCalculator calculator,
                                                Resource lhs,
                                                double by,
                                                Resource factor)

multiplyAndRoundDown

public static Resource multiplyAndRoundDown(Resource lhs,
                                            double by)

normalize

public static Resource normalize(ResourceCalculator calculator,
                                 Resource lhs,
                                 Resource min,
                                 Resource max,
                                 Resource increment)

roundUp

public static Resource roundUp(ResourceCalculator calculator,
                               Resource lhs,
                               Resource factor)

roundDown

public static Resource roundDown(ResourceCalculator calculator,
                                 Resource lhs,
                                 Resource factor)

isInvalidDivisor

public static boolean isInvalidDivisor(ResourceCalculator resourceCalculator,
                                       Resource divisor)

ratio

public static float ratio(ResourceCalculator resourceCalculator,
                          Resource lhs,
                          Resource rhs)

divide

public static float divide(ResourceCalculator resourceCalculator,
                           Resource clusterResource,
                           Resource lhs,
                           Resource rhs)

divideAndCeil

public static Resource divideAndCeil(ResourceCalculator resourceCalculator,
                                     Resource lhs,
                                     int rhs)

equals

public static boolean equals(Resource lhs,
                             Resource rhs)

lessThan

public static boolean lessThan(ResourceCalculator resourceCalculator,
                               Resource clusterResource,
                               Resource lhs,
                               Resource rhs)

lessThanOrEqual

public static boolean lessThanOrEqual(ResourceCalculator resourceCalculator,
                                      Resource clusterResource,
                                      Resource lhs,
                                      Resource rhs)

greaterThan

public static boolean greaterThan(ResourceCalculator resourceCalculator,
                                  Resource clusterResource,
                                  Resource lhs,
                                  Resource rhs)

greaterThanOrEqual

public static boolean greaterThanOrEqual(ResourceCalculator resourceCalculator,
                                         Resource clusterResource,
                                         Resource lhs,
                                         Resource rhs)

min

public static Resource min(ResourceCalculator resourceCalculator,
                           Resource clusterResource,
                           Resource lhs,
                           Resource rhs)

max

public static Resource max(ResourceCalculator resourceCalculator,
                           Resource clusterResource,
                           Resource lhs,
                           Resource rhs)

fitsIn

public static boolean fitsIn(Resource smaller,
                             Resource bigger)

componentwiseMin

public static Resource componentwiseMin(Resource lhs,
                                        Resource rhs)

componentwiseMax

public static Resource componentwiseMax(Resource lhs,
                                        Resource rhs)