Owen O'Malley created HIVE-4421:
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Summary: Improve memory usage by ORC dictionaries
Key: HIVE-4421
URL: https://issues.apache.org/jira/browse/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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