Package org.apache.tez.dag.app.dag.speculation.legacy

Interface Summary

Interface	Description
TaskRuntimeEstimator	Estimate the runtime for tasks of a given vertex.

Class Summary

Class	Description
DataStatistics
LegacySpeculator	Maintains runtime estimation statistics.
LegacyTaskRuntimeEstimator	Runtime estimator that uses a simple scheme of estimating task attempt runtime based on current elapsed runtime and reported progress.