Till Rohrmann created FLINK-5962:
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Summary: Cancel checkpoint canceller tasks in CheckpointCoordinator
Key: FLINK-5962
URL: https://issues.apache.org/jira/browse/FLINK-5962
Project: Flink
Issue Type: Bug
Components: State Backends, Checkpointing
Affects Versions: 1.2.0, 1.3.0
Reporter: Till Rohrmann
Priority: Critical
The {{CheckpointCoordinator}} register a canceller task for each running
checkpoint. The canceller task's responsibility is to cancel a checkpoint if it
takes too long to complete. We should cancel this task as soon as the
checkpoint has been completed, because otherwise we will keep many canceller
tasks around. This can eventually lead to an OOM exception.
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