[jira] [Created] (FLINK-31706) The default source parallelism should be the same as execution's default parallelism under adaptive batch scheduler

[Yun Tang (Jira)]

Yun Tang created FLINK-31706:
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             Summary: The default source parallelism should be the same as 
execution's default parallelism under adaptive batch scheduler
                 Key: FLINK-31706
                 URL: https://issues.apache.org/jira/browse/FLINK-31706
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Coordination
            Reporter: Yun Tang
             Fix For: 1.18.0


Currently, the sources need to set 
{{execution.batch.adaptive.auto-parallelism.default-source-parallelism }} in 
the adaptive batch scheduler mode, otherwise, the source parallelism is only 1 
by default. A better solution might be set as the default execution parallelism 
if no user configured. 



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