Uploaded image for project: 'Hive'
  1. Hive
  2. HIVE-4421

Improve memory usage by ORC dictionaries

    XMLWordPrintableJSON

Details

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

        Activity

          People

            omalley Owen O'Malley
            omalley Owen O'Malley
            Votes:
            0 Vote for this issue
            Watchers:
            5 Start watching this issue

            Dates

              Created:
              Updated:
              Resolved: