Till Rohrmann created FLINK-22254:
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Summary: Only trigger scale up if the resources have stabilized
Key: FLINK-22254
URL: https://issues.apache.org/jira/browse/FLINK-22254
Project: Flink
Issue Type: Improvement
Components: Runtime / Coordination
Affects Versions: 1.13.0
Reporter: Till Rohrmann
Fix For: 1.14.0
In order to improve the scale up behaviour of the {{AdaptiveScheduler}} we
should only trigger a scale up operation if the resource set has stabilized.
That way it should be possible to immediately restart the job after its
cancellation if the resource set has not changed in the meantime.
One way to implement this behaviour is to only notify the {{State}} about new
resources after they have stabilized.
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