Package org.apache.hadoop.yarn.server.resourcemanager.scheduler.policy

Interface SchedulableEntity

All Known Implementing Classes:
FiCaSchedulerApp, FifoAppAttempt, FSAppAttempt, SchedulerApplicationAttempt
public interface SchedulableEntity
A SchedulableEntity is a process to be scheduled. for example, an application / application attempt

  • Method Details

    • getId

      String getId()
      Id - each entity must have a unique id.
      Returns:
      id.

    • compareInputOrderTo

      int compareInputOrderTo(SchedulableEntity other)
      Compare the passed SchedulableEntity to this one for input order. Input order is implementation defined and should reflect the correct ordering for first-in first-out processing.
      Parameters:
      other - SchedulableEntity.
      Returns:
      correct ordering.

    • getSchedulingResourceUsage

      ResourceUsage getSchedulingResourceUsage()
      View of Resources wanted and consumed by the entity.
      Returns:
      ResourceUsage.

    • getPriority

      org.apache.hadoop.yarn.api.records.Priority getPriority()
      Get the priority of the application.
      Returns:
      priority of the application.

    • isRecovering

      boolean isRecovering()
      Whether application was running before RM restart.
      Returns:
      true, application was running before RM restart; otherwise false.

    • getPartition

      String getPartition()
      Get partition corresponding to this entity.
      Returns:
      partition node label.

    • getStartTime

      long getStartTime()
      Start time of the job.
      Returns:
      start time