org.apache.hadoop.yarn.server.resourcemanager.reservation.planning

Interface StageEarliestStart

All Known Implementing Classes:

StageEarliestStartByDemand, StageEarliestStartByJobArrival

public interface StageEarliestStart

Interface for setting the earliest start time of a stage in IterativePlanner.

Method Summary

Modifier and Type	Method and Description
long	setEarliestStartTime(Plan plan, org.apache.hadoop.yarn.api.records.ReservationDefinition reservation, int index, org.apache.hadoop.yarn.api.records.ReservationRequest currentReservationStage, long stageDeadline) Computes the earliest allowed starting time for a given stage.

Method Detail

setEarliestStartTime

long setEarliestStartTime(Plan plan,
                          org.apache.hadoop.yarn.api.records.ReservationDefinition reservation,
                          int index,
                          org.apache.hadoop.yarn.api.records.ReservationRequest currentReservationStage,
                          long stageDeadline)

Computes the earliest allowed starting time for a given stage.

Parameters:

plan - the Plan to which the reservation must be fitted

reservation - the job contract

index - the index of the stage in the job contract

currentReservationStage - the stage

stageDeadline - the deadline of the stage set by the two phase planning algorithm

Returns:

the earliest allowed starting time for the stage.