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Posted to dev@flink.apache.org by "hanqing (Jira)" <ji...@apache.org> on 2023/04/17 09:20:00 UTC

[jira] [Created] (FLINK-31821) FlinkSQL set parallelism for each operator.

hanqing created FLINK-31821:
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             Summary: FlinkSQL set parallelism for each operator.
                 Key: FLINK-31821
                 URL: https://issues.apache.org/jira/browse/FLINK-31821
             Project: Flink
          Issue Type: New Feature
          Components: API / Core
    Affects Versions: 1.16.1
            Reporter: hanqing


Currently, FlinkSQL can  set a unified parallelism in the job,it cannot set parallelism for each operator.
This can cause resource waste  On the occasion of  high parallelism and small data volume.there may also be too many small file  for  writing HDFS Scene.



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