Maximilian Michels created FLINK-32589:
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Summary: Carry over parallelism overrides to prevent users from
clearing them on updates
Key: FLINK-32589
URL: https://issues.apache.org/jira/browse/FLINK-32589
Project: Flink
Issue Type: Improvement
Components: Autoscaler, Kubernetes Operator
Reporter: Maximilian Michels
The autoscaler currently sets the parallelism overrides via the Flink config
{{pipeline.jobvertex-parallelism-overrides}}. Whenever the user posts specs
updates, special care needs to be taken in order to carry over existing
overrides. Otherwise the job will reset to the default parallelism
configuration. Users shouldn't have to deal with this. Instead, whenever a new
spec is posted which does not contain the overrides, the operator should
automatically apply the last-used overrides (if autoscaling is enabled).
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