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https://issues.apache.org/jira/browse/SPARK-19733?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nick Pentreath reassigned SPARK-19733:
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Assignee: Vasilis Vryniotis
> ALS performs unnecessary casting on item and user ids
> -----------------------------------------------------
>
> Key: SPARK-19733
> URL: https://issues.apache.org/jira/browse/SPARK-19733
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 2.0.0, 2.0.1, 2.1.0
> Reporter: Vasilis Vryniotis
> Assignee: Vasilis Vryniotis
> Fix For: 2.2.0
>
>
> The ALS is performing unnecessary casting to the user and item ids (to
> double). I believe this is because the protected checkedCast() method
> requires a double input. This can be avoided by refactroing the code of
> checkedCast method.
> Issue resolved by pull-request 17059:
> https://github.com/apache/spark/pull/17059
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