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From "Owen O'Malley (JIRA)" <>
Subject [jira] [Created] (HIVE-4421) Improve memory usage by ORC dictionaries
Date Thu, 25 Apr 2013 03:38:17 GMT
Owen O'Malley created HIVE-4421:

             Summary: Improve memory usage by ORC dictionaries
                 Key: HIVE-4421
             Project: Hive
          Issue Type: Bug
          Components: Serializers/Deserializers
            Reporter: Owen O'Malley
            Assignee: Owen O'Malley

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.

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