Wes McKinney created ARROW-17129:
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Summary: [C++][Compute] Improve memory efficiency in Grouper
Key: ARROW-17129
URL: https://issues.apache.org/jira/browse/ARROW-17129
Project: Apache Arrow
Issue Type: Improvement
Reporter: Wes McKinney
There are APIs in arrow::compute::Grouper (GetUniques, Consume) which may be
able to be refactored to write into preallocated memory or otherwise have a
mode that does less mandatory allocation. We can investigate at some point
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