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https://issues.apache.org/jira/browse/ARROW-14165?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Li resolved ARROW-14165.
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Fix Version/s: 6.0.0
Resolution: Fixed
Issue resolved by pull request 11273
[https://github.com/apache/arrow/pull/11273]
> [C++] Improve table sort performance #2
> ---------------------------------------
>
> Key: ARROW-14165
> URL: https://issues.apache.org/jira/browse/ARROW-14165
> Project: Apache Arrow
> Issue Type: Task
> Components: C++
> Reporter: Antoine Pitrou
> Assignee: Antoine Pitrou
> Priority: Major
> Labels: pull-request-available
> Fix For: 6.0.0
>
> Time Spent: 2h 50m
> Remaining Estimate: 0h
>
> After ARROW-10898 is solved, it seems some performance may still be left on
> the table when merging sorted record batches. Two possible directions:
> * save on chunked indexing by relying on record batches and directly
> accessing subsequent columns in MultipleKeyComparator
> * use left-to-right "radix" merging
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