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Posted to issues@hive.apache.org by "Zoltan Haindrich (JIRA)" <ji...@apache.org> on 2017/10/31 14:20:00 UTC

[jira] [Updated] (HIVE-17934) Merging Statistics are promoted to COMPLETE (most of the time)

     [ https://issues.apache.org/jira/browse/HIVE-17934?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zoltan Haindrich updated HIVE-17934:
------------------------------------
    Status: Patch Available  (was: Open)

> Merging Statistics are promoted to COMPLETE (most of the time)
> --------------------------------------------------------------
>
>                 Key: HIVE-17934
>                 URL: https://issues.apache.org/jira/browse/HIVE-17934
>             Project: Hive
>          Issue Type: Bug
>          Components: Statistics
>            Reporter: Zoltan Haindrich
>            Assignee: Zoltan Haindrich
>         Attachments: HIVE-17934.01.patch
>
>
> in case multiple partition statistics are merged the STATS state is computed based on the datasize and rowcount;
> the merge may hide away non-existent stats in case there are other partition or operators which do contribute to the datasize and the rowcount.



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