org.apache.flink.runtime.checkpoint.stats

Interface CheckpointStatsTracker

All Known Implementing Classes:

DisabledCheckpointStatsTracker, SimpleCheckpointStatsTracker

public interface CheckpointStatsTracker

A tracker for checkpoint statistics.

You can disable statistics by setting ConfigConstants.JOB_MANAGER_WEB_CHECKPOINTS_DISABLE.

Method Summary

Modifier and Type	Method and Description
scala.Option<JobCheckpointStats>	getJobStats() Returns a snapshot of the checkpoint statistics for a job.
scala.Option<OperatorCheckpointStats>	getOperatorStats(JobVertexID operatorId) Returns a snapshot of the checkpoint statistics for an operator.
void	onCompletedCheckpoint(CompletedCheckpoint checkpoint) Callback on a completed checkpoint.

Method Detail

onCompletedCheckpoint

void onCompletedCheckpoint(CompletedCheckpoint checkpoint)

Callback on a completed checkpoint.

Parameters:

checkpoint - The completed checkpoint.

getJobStats

scala.Option<JobCheckpointStats> getJobStats()

Returns a snapshot of the checkpoint statistics for a job.

Returns:

Checkpoints stats for the job.

getOperatorStats

scala.Option<OperatorCheckpointStats> getOperatorStats(JobVertexID operatorId)

Returns a snapshot of the checkpoint statistics for an operator.

Parameters:

operatorId - The operator ID to gather the stats for.

Returns:

Checkpoint stats for the operator.

Throws:

IllegalArgumentException - If unknown operator ID.