use of org.apache.flink.runtime.checkpoint.ExecutionAttemptMappingProvider in project flink by apache.
the class DefaultExecutionGraph method enableCheckpointing.
@Override
public void enableCheckpointing(CheckpointCoordinatorConfiguration chkConfig, List<MasterTriggerRestoreHook<?>> masterHooks, CheckpointIDCounter checkpointIDCounter, CompletedCheckpointStore checkpointStore, StateBackend checkpointStateBackend, CheckpointStorage checkpointStorage, CheckpointStatsTracker statsTracker, CheckpointsCleaner checkpointsCleaner) {
checkState(state == JobStatus.CREATED, "Job must be in CREATED state");
checkState(checkpointCoordinator == null, "checkpointing already enabled");
final Collection<OperatorCoordinatorCheckpointContext> operatorCoordinators = buildOpCoordinatorCheckpointContexts();
checkpointStatsTracker = checkNotNull(statsTracker, "CheckpointStatsTracker");
checkpointCoordinatorConfiguration = checkNotNull(chkConfig, "CheckpointCoordinatorConfiguration");
CheckpointFailureManager failureManager = new CheckpointFailureManager(chkConfig.getTolerableCheckpointFailureNumber(), new CheckpointFailureManager.FailJobCallback() {
@Override
public void failJob(Throwable cause) {
getJobMasterMainThreadExecutor().execute(() -> failGlobal(cause));
}
@Override
public void failJobDueToTaskFailure(Throwable cause, ExecutionAttemptID failingTask) {
getJobMasterMainThreadExecutor().execute(() -> failGlobalIfExecutionIsStillRunning(cause, failingTask));
}
});
checkState(checkpointCoordinatorTimer == null);
checkpointCoordinatorTimer = Executors.newSingleThreadScheduledExecutor(new DispatcherThreadFactory(Thread.currentThread().getThreadGroup(), "Checkpoint Timer"));
// create the coordinator that triggers and commits checkpoints and holds the state
checkpointCoordinator = new CheckpointCoordinator(jobInformation.getJobId(), chkConfig, operatorCoordinators, checkpointIDCounter, checkpointStore, checkpointStorage, ioExecutor, checkpointsCleaner, new ScheduledExecutorServiceAdapter(checkpointCoordinatorTimer), failureManager, createCheckpointPlanCalculator(chkConfig.isEnableCheckpointsAfterTasksFinish()), new ExecutionAttemptMappingProvider(getAllExecutionVertices()), checkpointStatsTracker);
// register the master hooks on the checkpoint coordinator
for (MasterTriggerRestoreHook<?> hook : masterHooks) {
if (!checkpointCoordinator.addMasterHook(hook)) {
LOG.warn("Trying to register multiple checkpoint hooks with the name: {}", hook.getIdentifier());
}
}
if (checkpointCoordinator.isPeriodicCheckpointingConfigured()) {
// the periodic checkpoint scheduler is activated and deactivated as a result of
// job status changes (running -> on, all other states -> off)
registerJobStatusListener(checkpointCoordinator.createActivatorDeactivator());
}
this.stateBackendName = checkpointStateBackend.getClass().getSimpleName();
this.checkpointStorageName = checkpointStorage.getClass().getSimpleName();
}
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