Remus Rusanu created HIVE-4606:
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Summary: Implement vector group by hash spill
Key: HIVE-4606
URL: https://issues.apache.org/jira/browse/HIVE-4606
Project: Hive
Issue Type: Sub-task
Components: Query Processor
Affects Versions: vectorization-branch
Reporter: Remus Rusanu
Assignee: Remus Rusanu
the row mode GBy operator is capable of spilling the hash map (by emitting it
into the M/R and deleting the keys emitted) to conform to emmory constraints.
The VGBy should be able to do the same.
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