Package org.apache.pulsar.functions.worker.scheduler

Interface IScheduler

All Known Implementing Classes:
RoundRobinScheduler
public interface IScheduler

  • Method Summary

    Modifier and Type
    Method
    Description
    default List<org.apache.pulsar.functions.proto.Function.Assignment>
    rebalance(List<org.apache.pulsar.functions.proto.Function.Assignment> currentAssignments, Set<String> workers)
    Rebalances function instances scheduled to workers.
    List<org.apache.pulsar.functions.proto.Function.Assignment>
    schedule(List<org.apache.pulsar.functions.proto.Function.Instance> unassignedFunctionInstances, List<org.apache.pulsar.functions.proto.Function.Assignment> currentAssignments, Set<String> workers)
    Scheduler schedules assignments to appropriate workers and adds into #resultAssignments.

  • Method Details

    • schedule

      List<org.apache.pulsar.functions.proto.Function.Assignment> schedule(List<org.apache.pulsar.functions.proto.Function.Instance> unassignedFunctionInstances, List<org.apache.pulsar.functions.proto.Function.Assignment> currentAssignments, Set<String> workers)
      Scheduler schedules assignments to appropriate workers and adds into #resultAssignments.
      Parameters:
      unassignedFunctionInstances - all unassigned instances
      currentAssignments - current assignments
      workers - current list of active workers
      Returns:
      A list of new assignments

    • rebalance

      default List<org.apache.pulsar.functions.proto.Function.Assignment> rebalance(List<org.apache.pulsar.functions.proto.Function.Assignment> currentAssignments, Set<String> workers)
      Rebalances function instances scheduled to workers.
      Parameters:
      currentAssignments - current assignments
      workers - current list of active workers
      Returns:
      A list of new assignments