org.apache.flink.connector.base.sink.writer.strategy

Class AIMDScalingStrategy

java.lang.Object

org.apache.flink.connector.base.sink.writer.strategy.AIMDScalingStrategy

All Implemented Interfaces:

ScalingStrategy<Integer>

@PublicEvolving
public class AIMDScalingStrategy
extends Object
implements ScalingStrategy<Integer>

AIMDScalingStrategy scales up linearly and scales down multiplicatively. See https://en.wikipedia.org/wiki/Additive_increase/multiplicative_decrease for more details

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AIMDScalingStrategy.AIMDScalingStrategyBuilder Builder for AIMDScalingStrategy.

Constructor Summary

Constructors

Constructor and Description
AIMDScalingStrategy(int increaseRate, double decreaseFactor, int rateThreshold)

Method Summary

Modifier and Type	Method and Description
static AIMDScalingStrategy.AIMDScalingStrategyBuilder	builder(int rateThreshold)
Integer	scaleDown(Integer currentRate) Returns the scaled down value.
Integer	scaleUp(Integer currentRate) Returns the scaled up value.

Methods inherited from class java.lang.Object

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

Constructor Detail

AIMDScalingStrategy

public AIMDScalingStrategy(int increaseRate,
                           double decreaseFactor,
                           int rateThreshold)

Method Detail

scaleUp

public Integer scaleUp(Integer currentRate)

Description copied from interface: ScalingStrategy

Returns the scaled up value.

Specified by:

scaleUp in interface ScalingStrategy<Integer>

Parameters:

currentRate - currentValue

scaleDown

public Integer scaleDown(Integer currentRate)

Description copied from interface: ScalingStrategy

Returns the scaled down value.

Specified by:

scaleDown in interface ScalingStrategy<Integer>

Parameters:

currentRate - currentValue

builder

@PublicEvolving
public static AIMDScalingStrategy.AIMDScalingStrategyBuilder builder(int rateThreshold)