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https://issues.apache.org/jira/browse/SPARK-30120?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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zhengruifeng updated SPARK-30120:
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Description: ping [~huaxingao]
> LSH approxNearestNeighbors should use TopByKeyAggregator when
> numNearestNeighbors is small
> ------------------------------------------------------------------------------------------
>
> Key: SPARK-30120
> URL: https://issues.apache.org/jira/browse/SPARK-30120
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 3.0.0
> Reporter: zhengruifeng
> Priority: Minor
>
> ping [~huaxingao]
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