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From "Prasanth Jayachandran (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-11863) FS based stats collection generates wrong results for tez
Date Thu, 17 Sep 2015 07:01:45 GMT
Prasanth Jayachandran created HIVE-11863:
--------------------------------------------

             Summary: FS based stats collection generates wrong results for tez
                 Key: HIVE-11863
                 URL: https://issues.apache.org/jira/browse/HIVE-11863
             Project: Hive
          Issue Type: Bug
    Affects Versions: 1.3.0, 2.0.0
            Reporter: Prasanth Jayachandran


FS based stats collection is the default way to collect stats. However, there are some cases
(involving unions) where it generates wrong results. Refer test case in HIVE-11860 and compare
test cli driver results against tez results. Also it will be good to extend statsfs.q test
case with union queries.



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