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Posted to dev@hive.apache.org by "Zoltan Haindrich (JIRA)" <ji...@apache.org> on 2017/09/29 09:18:00 UTC

[jira] [Created] (HIVE-17651) Profile TableScanOperator in case stats gathering is on

Zoltan Haindrich created HIVE-17651:
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             Summary: Profile TableScanOperator in case stats gathering is on
                 Key: HIVE-17651
                 URL: https://issues.apache.org/jira/browse/HIVE-17651
             Project: Hive
          Issue Type: Sub-task
            Reporter: Zoltan Haindrich


It seems to me that there might be some overhead when the operator is gathering the stats; 

also check: it seems that in case vectorization is on ; the collected rowcount would be invalid



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