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  1. Hive
  2. HIVE-14803

S3: Stats gathering for insert queries can be expensive for partitioned dataset

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 2.1.0
    • Fix Version/s: 2.3.0
    • Component/s: Metastore
    • Labels:
      None
    • Target Version/s:

      Description

      StatsTask's aggregateStats populates stats details for all partitions by checking the file sizes which turns out to be expensive when larger number of partitions are inserted.

        Attachments

        1. HIVE-14803.7.patch
          5 kB
          Rajesh Balamohan
        2. HIVE-14803.6.patch
          5 kB
          Rajesh Balamohan
        3. HIVE-14803.5.patch
          10 kB
          Rajesh Balamohan
        4. HIVE-14803.4.patch
          10 kB
          Rajesh Balamohan
        5. HIVE-14803.3.patch
          10 kB
          Rajesh Balamohan
        6. HIVE-14803.2.patch
          10 kB
          Rajesh Balamohan
        7. HIVE-14803.1.patch
          9 kB
          Rajesh Balamohan

          Issue Links

          is related to

          Improvement - An improvement or enhancement to an existing feature or task. HIVE-13925 ETL optimizations

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Open

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              People

              • Assignee:
                rajesh.balamohan Rajesh Balamohan
                Reporter:
                rajesh.balamohan Rajesh Balamohan
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                Dates

                • Created:
                  Updated:
                  Resolved: