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Posted to issues@spark.apache.org by "Shivaram Venkataraman (JIRA)" <ji...@apache.org> on 2014/10/21 07:13:34 UTC

[jira] [Created] (SPARK-4030) `destroy` method in Broadcast should be public

Shivaram Venkataraman created SPARK-4030:
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             Summary: `destroy` method in Broadcast should be public
                 Key: SPARK-4030
                 URL: https://issues.apache.org/jira/browse/SPARK-4030
             Project: Spark
          Issue Type: Bug
          Components: Block Manager, Spark Core
    Affects Versions: 1.1.0, 1.2.0
            Reporter: Shivaram Venkataraman


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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