edu.iu.dsc.tws.api.driver

Interface IScaler

All Known Implementing Classes:

Scaler

public interface IScaler

An interface that scales up/down the number of workers in a Twister2 job

Method Summary

Modifier and Type	Method and Description
boolean	isScalable() whether this job is scalable
boolean	scaleDownWorkers(int instancesToRemove) remove some instances of the workers from the job
boolean	scaleUpWorkers(int instancesToAdd) add new instances of workers to the job

Method Detail

isScalable

boolean isScalable()

whether this job is scalable

Returns:

true if scalable

scaleUpWorkers

boolean scaleUpWorkers(int instancesToAdd)

add new instances of workers to the job

Parameters:

instancesToAdd -

Returns:

true if successful

scaleDownWorkers

boolean scaleDownWorkers(int instancesToRemove)

remove some instances of the workers from the job

Parameters:

instancesToRemove -

Returns:

true if successful