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Posted to dev@flink.apache.org by "Lijie Wang (Jira)" <ji...@apache.org> on 2023/02/06 08:44:00 UTC

[jira] [Created] (FLINK-30917) The user configured max parallelism does not take effect when using adaptive batch scheduler

Lijie Wang created FLINK-30917:
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             Summary: The user configured max parallelism does not take effect when using adaptive batch scheduler
                 Key: FLINK-30917
                 URL: https://issues.apache.org/jira/browse/FLINK-30917
             Project: Flink
          Issue Type: Bug
          Components: Runtime / Coordination
            Reporter: Lijie Wang
             Fix For: 1.17.0


Currently, the adaptive batch scheduler only respects the global maximum parallelism(which is configured by option {{parallelism.default}} or {{execution.batch.adaptive.auto-parallelism.max-parallelism}}, see FLINK-30686 for details) when deciding parallelism for job vertices, the maximum parallelism of vertices configured by the user through {{setMaxParallelism}} will not be respected.

In this ticket, we will change the behavior so that the user-configured max parallelism also be respected.



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