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https://issues.apache.org/jira/browse/SPARK-5841?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-5841.
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Resolution: Fixed
Fix Version/s: 1.3.0
Issue resolved by pull request 4627
[https://github.com/apache/spark/pull/4627]
> Memory leak in DiskBlockManager
> -------------------------------
>
> Key: SPARK-5841
> URL: https://issues.apache.org/jira/browse/SPARK-5841
> Project: Spark
> Issue Type: Bug
> Components: Block Manager
> Affects Versions: 1.2.1
> Reporter: Matt Whelan
> Fix For: 1.3.0
>
>
> DiskBlockManager registers a Runtime shutdown hook, which creates a hard
> reference to the entire Driver ActorSystem. If a long-running JVM repeatedly
> creates and destroys SparkContext instances, it leaks memory.
> I suggest we deregister the shutdown hook if DiskBlockManager.stop is called.
> It's redundant at that point.
> PR coming.
> See also
> http://mail-archives.apache.org/mod_mbox/spark-user/201501.mbox/%3CCA+kjH+w_DDTEBE9XB6NrPxLTUXD=nc_d-3ogxtumk_5v-e0...@mail.gmail.com%3E
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