[jira] [Created] (FLINK-22606) Simplify the usage of SessionState

[Shang Yuanchun (Jira)]

Rui Li created FLINK-22606:
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             Summary: Simplify the usage of SessionState
                 Key: FLINK-22606
                 URL: https://issues.apache.org/jira/browse/FLINK-22606
             Project: Flink
          Issue Type: Sub-task
          Components: Connectors / Hive
            Reporter: Rui Li


Hive SessionState is used by hive dialect. Starting a SessionState involves some heavy operations like creating scratch folders and instantiating an HMS client. We should investigate how to reduce these operations.
It's of course better to completely get rid of SessionState. But that's difficult to achieve because some hive functions rely on it.



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