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Posted to dev@flink.apache.org by "Gyula Fora (Jira)" <ji...@apache.org> on 2022/12/13 17:00:00 UTC

[jira] [Created] (FLINK-30404) Do not redeploy taskmanagers on standalone application scaling

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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