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  1. Hive
  2. HIVE-11160 Auto-gather column stats
  3. HIVE-18894

Statistics: rawDataSize seems to be underestimated for text tables

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    • Sub-task
    • Status: Open
    • Major
    • Resolution: Unresolved
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    Description

      rawdatasize 5312 seems to be an underestimation...

      afaik for orc the rawDataSize is estimated as the "online" datasize; for text tables it currently seems like its calculated as TOTAL_SIZE - ROW_NUM in some cases

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            Unassigned Unassigned
            kgyrtkirk Zoltan Haindrich
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              Created:
              Updated: