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https://issues.apache.org/jira/browse/ARROW-14202?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Keane updated ARROW-14202:
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Summary: [C++] A more RAM-efficient top-k sink node (was: A more
RAM-efficient top-k sink node)
> [C++] A more RAM-efficient top-k sink node
> ------------------------------------------
>
> Key: ARROW-14202
> URL: https://issues.apache.org/jira/browse/ARROW-14202
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 7.0.0
> Reporter: Alexander Ocsa
> Priority: Major
> Labels: query-engine
>
> Mentioned here:
> https://github.com/apache/arrow/pull/11274#pullrequestreview-768267959
> For example, a top-k implementation could periodically (when batches_ has
> some configurable # of rows) run through and discard data. The way it is
> written now it would still require me to buffer the entire dataset in memory
> (and/or spillover).
>
>
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