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https://issues.apache.org/jira/browse/SPARK-11309?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Or updated SPARK-11309:
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Issue Type: Improvement (was: Bug)
> Clean up hacky use of MemoryManager inside of HashedRelation
> ------------------------------------------------------------
>
> Key: SPARK-11309
> URL: https://issues.apache.org/jira/browse/SPARK-11309
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Josh Rosen
>
> In HashedRelation, there's a hacky creation of a new MemoryManager in order
> to handle broadcasting of BytesToBytesMap:
> https://github.com/apache/spark/blob/85e654c5ec87e666a8845bfd77185c1ea57b268a/sql/core/src/main/scala/org/apache/spark/sql/execution/joins/HashedRelation.scala#L323
> Something similar to this has existed for a while, but the code recently
> became much messier as an indirect consequence of my memory manager
> consolidation patch. We should see about cleaning this up and removing the
> hack.
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