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https://issues.apache.org/jira/browse/SPARK-7450?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh Rosen resolved SPARK-7450.
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Resolution: Fixed
Fix Version/s: 1.4.0
Issue resolved by pull request 5897
[https://github.com/apache/spark/pull/5897]
> Use UNSAFE.getLong() to speed up BitSetMethods#anySet()
> -------------------------------------------------------
>
> Key: SPARK-7450
> URL: https://issues.apache.org/jira/browse/SPARK-7450
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Reporter: Ted Yu
> Fix For: 1.4.0
>
>
> Currently BitSetMethods#anySet() traverses BitSet in bytes.
> We can use UNSAFE.getLong() for speed up.
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