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https://issues.apache.org/jira/browse/SPARK-4030?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shivaram Venkataraman resolved SPARK-4030.
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Resolution: Fixed
Fix Version/s: 1.2.0
> `destroy` method in Broadcast should be public
> ----------------------------------------------
>
> Key: SPARK-4030
> URL: https://issues.apache.org/jira/browse/SPARK-4030
> Project: Spark
> Issue Type: Improvement
> Components: Block Manager, Spark Core
> Affects Versions: 1.1.0, 1.2.0
> Reporter: Shivaram Venkataraman
> Assignee: Shivaram Venkataraman
> Fix For: 1.2.0
>
>
> The destroy method in Broadcast.scala
> [https://github.com/apache/spark/blob/master/core/src/main/scala/org/apache/spark/broadcast/Broadcast.scala#L91]
> is right now marked as private[spark]
> This prevents long-running applications from cleaning up memory used by
> broadcast variables on the driver. Also as broadcast variables are always
> created with persistence MEMORY_DISK, this slows down jobs when old broadcast
> variables are flushed to disk.
> Making `destroy` public can help applications control the lifetime.
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