Chesnay Schepler created FLINK-28127:
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Summary: Cancel during stop-with-savepoint may still create
savepoint
Key: FLINK-28127
URL: https://issues.apache.org/jira/browse/FLINK-28127
Project: Flink
Issue Type: Bug
Components: Runtime / Coordination
Affects Versions: 1.15.0
Reporter: Chesnay Schepler
If the job is cancelled while a stop-with-savepoint is happening, then the
savepoint may complete at the same time the cancellation is triggered, without
being reported to the user via the REST API.
This is because the checkpoint coordinator does not run in the main thread, so
it might happen that the final task acknowledge is handed over, immediately
followed by a cancellation.
This chances of this happening are very low, but nevertheless we should figure
out a solution.
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