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Posted to issues@hive.apache.org by "Prasanth Jayachandran (JIRA)" <ji...@apache.org> on 2015/09/17 09:02:47 UTC
[jira] [Updated] (HIVE-11863) FS based stats collection generates
wrong results for tez (for union queries)
[ https://issues.apache.org/jira/browse/HIVE-11863?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Prasanth Jayachandran updated HIVE-11863:
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Summary: FS based stats collection generates wrong results for tez (for union queries) (was: FS based stats collection generates wrong results for tez)
> FS based stats collection generates wrong results for tez (for union queries)
> -----------------------------------------------------------------------------
>
> 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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