zhengruifeng created SPARK-30120:
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Summary: 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
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