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https://issues.apache.org/jira/browse/SPARK-16696?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-16696:
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Assignee: (was: Apache Spark)
> unused broadcast variables should call destroy instead of unpersist
> -------------------------------------------------------------------
>
> Key: SPARK-16696
> URL: https://issues.apache.org/jira/browse/SPARK-16696
> Project: Spark
> Issue Type: Bug
> Components: ML, MLlib
> Affects Versions: 2.0.1, 2.1.0
> Reporter: Weichen Xu
> Original Estimate: 1m
> Remaining Estimate: 1m
>
> Unused broadcast variables should call destroy() instead of unpersist() so
> that the memory can released in time, even in driver-side.
> currently, several algorithm in ML, such as KMeans, LDA, Word2Vec, has this
> problem. Several places unused broadcast vars even neither call unpersit()
> nor call destroy()
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