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  1. Hive
  2. HIVE-4421

Improve memory usage by ORC dictionaries

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      Description

      Currently, for tables with many string columns, it is possible to significantly underestimate the memory used by the ORC dictionaries and cause the query to run out of memory in the task.

        Attachments

        1. HIVE-4421.D10545.4.patch
          40 kB
          Phabricator
        2. HIVE-4421.D10545.3.patch
          34 kB
          Phabricator
        3. HIVE-4421.D10545.2.patch
          32 kB
          Phabricator
        4. HIVE-4421.D10545.1.patch
          27 kB
          Phabricator

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            • Assignee:
              omalley Owen O'Malley
              Reporter:
              omalley Owen O'Malley
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              • Created:
                Updated:
                Resolved: