Package org.apache.flink.runtime.checkpoint

Interface CheckpointRecoveryFactory

All Known Implementing Classes:
PerJobCheckpointRecoveryFactory, StandaloneCheckpointRecoveryFactory, ZooKeeperCheckpointRecoveryFactory
public interface CheckpointRecoveryFactory
A factory for per Job checkpoint recovery components.

  • Method Details

    • createRecoveredCompletedCheckpointStore

      CompletedCheckpointStore createRecoveredCompletedCheckpointStore(org.apache.flink.api.common.JobID jobId, int maxNumberOfCheckpointsToRetain, SharedStateRegistryFactory sharedStateRegistryFactory, Executor ioExecutor, org.apache.flink.core.execution.RecoveryClaimMode recoveryClaimMode) throws Exception
      Creates a RECOVERED CompletedCheckpointStore instance for a job. In this context, RECOVERED means, that if we already have completed checkpoints from previous runs, we should use them as the initial state.
      Parameters:
      jobId - Job ID to recover checkpoints for
      maxNumberOfCheckpointsToRetain - Maximum number of checkpoints to retain
      sharedStateRegistryFactory - Simple factory to produce SharedStateRegistry objects.
      ioExecutor - Executor used to run (async) deletes.
      recoveryClaimMode - the claim mode with which the job is restoring.
      Returns:
      CompletedCheckpointStore instance for the job
      Throws:
      Exception

    • createCheckpointIDCounter

      CheckpointIDCounter createCheckpointIDCounter(org.apache.flink.api.common.JobID jobId) throws Exception
      Creates a CheckpointIDCounter instance for a job.
      Parameters:
      jobId - Job ID to recover checkpoints for
      Returns:
      CheckpointIDCounter instance for the job
      Throws:
      Exception