Package org.apache.flink.runtime.resourcemanager.slotmanager

Interface ResourceTracker

All Known Implementing Classes:
DefaultResourceTracker
public interface ResourceTracker
Tracks for each job how many resource are required/acquired.

  • Method Details

    • notifyResourceRequirements

      void notifyResourceRequirements(org.apache.flink.api.common.JobID jobId, Collection<ResourceRequirement> resourceRequirements)
      Notifies the tracker about a new or updated ResourceRequirements.
      Parameters:
      jobId - the job that the resource requirements belongs to
      resourceRequirements - new resource requirements

    • notifyAcquiredResource

      void notifyAcquiredResource(org.apache.flink.api.common.JobID jobId, ResourceProfile resourceProfile)
      Notifies the tracker about the acquisition of a resource with the given resource profile, for the given job.
      Parameters:
      jobId - the job that acquired the resource
      resourceProfile - profile of the resource

    • notifyLostResource

      void notifyLostResource(org.apache.flink.api.common.JobID jobId, ResourceProfile resourceProfile)
      Notifies the tracker about the loss of a resource with the given resource profile, for the given job.
      Parameters:
      jobId - the job that lost the resource
      resourceProfile - profile of the resource

    • getMissingResources

      Map<org.apache.flink.api.common.JobID,Collection<ResourceRequirement>> getMissingResources()
      Returns a collection of ResourceRequirements that describe which resources the corresponding job is missing.
      Returns:
      missing resources for each jobs

    • getAcquiredResources

      Collection<ResourceRequirement> getAcquiredResources(org.apache.flink.api.common.JobID jobId)
      Returns a collection of ResourceRequirements that describe which resources have been assigned to a job.
      Parameters:
      jobId - job ID
      Returns:
      required/exceeding resources for each jobs

    • isRequirementEmpty

      boolean isRequirementEmpty(org.apache.flink.api.common.JobID jobId)
      Returns whether the ResourceRequirement of the given job is empty.
      Parameters:
      jobId - job ID
      Returns:
      true if the ResourceRequirement of the given job is empty

    • clear

      void clear()
      Removes all state from the tracker.