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https://issues.apache.org/jira/browse/FLINK-21844?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Metzger updated FLINK-21844:
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Fix Version/s: 1.13.0
> Do not auto-configure maxParallelism when setting "scheduler-mode: reactive"
> ----------------------------------------------------------------------------
>
> Key: FLINK-21844
> URL: https://issues.apache.org/jira/browse/FLINK-21844
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Coordination
> Reporter: Konstantin Knauf
> Priority: Major
> Fix For: 1.13.0
>
>
> I believe we should not automatically change the maxParallelism when the
> "scheduler-mode" is set to "reactive", because:
> * it magically breaks savepoint compatibility, when you switch between
> default and reactive scheduler mode
> * the maximum parallelism is an orthogonal concern that in my opinion should
> not be mixed with the scheduler mode. The reactive scheduler should respect
> the maxParallelism, but it should not set change its default value.
>
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