Gyula Fora created FLINK-30404:
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Summary: Do not redeploy taskmanagers on standalone application
scaling
Key: FLINK-30404
URL: https://issues.apache.org/jira/browse/FLINK-30404
Project: Flink
Issue Type: Improvement
Components: Kubernetes Operator
Reporter: Gyula Fora
Assignee: Gyula Fora
The standalone deployment mode allows in-place scale ups when reactive mode is
configured but in other cases it deletes and redeploys both task and
jobmanagers.
Without reactive mode, we could improve the current behaviour by not
redeploying taskmanagers during scale changes. In theory only the jobmanager
needs to be redeployed in these cases (as it cannot run multiple jobs in
application mode).
This improvement would greately improve the startup times in busy clusters and
make scaling more robust
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