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https://issues.apache.org/jira/browse/ARROW-14182?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michal Nowakiewicz updated ARROW-14182:
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Component/s: C++
Fix Version/s: 7.0.0
Affects Version/s: 6.0.0
Labels: query-engine (was: )
> [C++][Compute] Hash Join performance improvement
> ------------------------------------------------
>
> Key: ARROW-14182
> URL: https://issues.apache.org/jira/browse/ARROW-14182
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Affects Versions: 6.0.0
> Reporter: Michal Nowakiewicz
> Assignee: Michal Nowakiewicz
> Priority: Major
> Labels: query-engine
> Fix For: 7.0.0
>
>
> Add micro-benchmarks for hash join exec node.
> Write a new implementation of the interface HashJoinImpl making sure that it
> is efficient for all types of join. Current implementation, based on
> unordered map, trades performance for a simpler code and is likely not as
> fast as it could be.
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