Gyula Fora created FLINK-30574:
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Summary: Do not scale further up if last scaling was ineffective
Key: FLINK-30574
URL: https://issues.apache.org/jira/browse/FLINK-30574
Project: Flink
Issue Type: New Feature
Components: Kubernetes Operator
Reporter: Gyula Fora
Assignee: Gyula Fora
Related to https://issues.apache.org/jira/browse/FLINK-30571 but somewhat
simpler.
It should be easy to detect when a scale up operation did not significantly
increase the parallelism (or even deteriorated it). In these cases it is very
important to not try to scale further.
This can happen if the job hit some external limit (such as rate limiting on an
external service) or if the performance problems are caused by other factors
such as memory.
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