@InterfaceAudience.Private

Package org.apache.hadoop.mapreduce.v2.app.speculate

Interface Summary

Interface	Description
Speculator	Speculator component.
TaskRuntimeEstimator

Class Summary

Class	Description
DataStatistics
DefaultSpeculator
ExponentiallySmoothedTaskRuntimeEstimator	This estimator exponentially smooths the rate of progress versus wallclock time.
LegacyTaskRuntimeEstimator
NullTaskRuntimesEngine
SimpleExponentialTaskRuntimeEstimator	A task Runtime Estimator based on exponential smoothing.
SpeculatorEvent
TaskSpeculationPredicate

Enum Summary

Enum	Description
ExponentiallySmoothedTaskRuntimeEstimator.SmoothedValue
Speculator.EventType