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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2020/09/17 03:06:00 UTC
[jira] [Commented] (SPARK-18409) LSH approxNearestNeighbors should
use approxQuantile instead of sort
[ https://issues.apache.org/jira/browse/SPARK-18409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17197338#comment-17197338 ]
Apache Spark commented on SPARK-18409:
--------------------------------------
User 'zhengruifeng' has created a pull request for this issue:
https://github.com/apache/spark/pull/29778
> LSH approxNearestNeighbors should use approxQuantile instead of sort
> --------------------------------------------------------------------
>
> Key: SPARK-18409
> URL: https://issues.apache.org/jira/browse/SPARK-18409
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Reporter: Joseph K. Bradley
> Assignee: Huaxin Gao
> Priority: Major
> Labels: bulk-closed
>
> LSHModel.approxNearestNeighbors sorts the full dataset on the hashDistance in order to find a threshold. It should use approxQuantile instead.
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