Package org.apache.flink.runtime.taskmanager

Interface CheckpointResponder

All Known Implementing Classes:
RpcCheckpointResponder
@Internal public interface CheckpointResponder
Responder for checkpoint acknowledge and decline messages in the Task.

  • Method Details

    • acknowledgeCheckpoint

      void acknowledgeCheckpoint(org.apache.flink.api.common.JobID jobID, ExecutionAttemptID executionAttemptID, long checkpointId, CheckpointMetrics checkpointMetrics, TaskStateSnapshot subtaskState)
      Acknowledges the given checkpoint.
      Parameters:
      jobID - Job ID of the running job
      executionAttemptID - Execution attempt ID of the running task
      checkpointId - Meta data for this checkpoint
      checkpointMetrics - Metrics of this checkpoint
      subtaskState - State handles for the checkpoint

    • reportCheckpointMetrics

      void reportCheckpointMetrics(org.apache.flink.api.common.JobID jobID, ExecutionAttemptID executionAttemptID, long checkpointId, CheckpointMetrics checkpointMetrics)
      Report metrics for the given checkpoint. Can be used upon receiving abortion notification.
      Parameters:
      jobID - Job ID of the running job
      executionAttemptID - Execution attempt ID of the running task
      checkpointId - Meta data for this checkpoint
      checkpointMetrics - Metrics of this checkpoint

    • declineCheckpoint

      void declineCheckpoint(org.apache.flink.api.common.JobID jobID, ExecutionAttemptID executionAttemptID, long checkpointId, CheckpointException checkpointException)
      Declines the given checkpoint.
      Parameters:
      jobID - Job ID of the running job
      executionAttemptID - Execution attempt ID of the running task
      checkpointId - The ID of the declined checkpoint
      checkpointException - The exception why the checkpoint was declined

    • reportInitializationMetrics

      void reportInitializationMetrics(org.apache.flink.api.common.JobID jobId, ExecutionAttemptID executionAttemptId, SubTaskInitializationMetrics initializationMetrics)