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https://issues.apache.org/jira/browse/SPARK-12678?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Reynold Xin resolved SPARK-12678.
---------------------------------
       Resolution: Fixed
         Assignee: Guillaume Poulin
    Fix Version/s: 2.0.0

> MapPartitionsRDD should clear reference to prev RDD
> ---------------------------------------------------
>
>                 Key: SPARK-12678
>                 URL: https://issues.apache.org/jira/browse/SPARK-12678
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>            Reporter: Guillaume Poulin
>            Assignee: Guillaume Poulin
>            Priority: Minor
>              Labels: easyfix
>             Fix For: 2.0.0
>
>
> When `MapPartitionsRDD.clearDependencies()` is called, `MapPartitionsRDD` 
> keep a reference to `prev` which may cause a memory leak.



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