Till Rohrmann created FLINK-12058:
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Summary: Cancel checkpoint operations belonging to a
discarded/aborted checkpoint
Key: FLINK-12058
URL: https://issues.apache.org/jira/browse/FLINK-12058
Project: Flink
Issue Type: Improvement
Components: Runtime / Checkpointing
Affects Versions: 1.7.2, 1.8.0
Reporter: Till Rohrmann
In order to save CPU cycles and reduce disk and network I/O, we should try to
cancel local checkpoint operations belonging to discarded aborted or subsumed
checkpoints. For example, if a {{Task}} declines a checkpoint, the
{{CheckpointCoordinator}} will discard this checkpoint. However, other
checkpointing operations belonging to this checkpoint won't be necessarily
notified and canceled.
The notification mechanism could piggy back on the existing
{{CancelCheckpointMarker}} or be a separate signal sent to all participating
{{Tasks}}.
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