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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2021/08/28 01:16:00 UTC

[jira] [Commented] (SPARK-36603) Use WeakReference over SoftReference in LevelDB to avoid retaining iterator refs

    [ https://issues.apache.org/jira/browse/SPARK-36603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17406081#comment-17406081 ] 

Apache Spark commented on SPARK-36603:
--------------------------------------

User 'srowen' has created a pull request for this issue:
https://github.com/apache/spark/pull/33859

> Use WeakReference over SoftReference in LevelDB to avoid retaining iterator refs
> --------------------------------------------------------------------------------
>
>                 Key: SPARK-36603
>                 URL: https://issues.apache.org/jira/browse/SPARK-36603
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 3.1.2
>            Reporter: Sean R. Owen
>            Assignee: Sean R. Owen
>            Priority: Minor
>
> See discussion at https://github.com/apache/spark/pull/28769#issuecomment-906722390
> The SoftReference used to track iterators in LevelDB can prevent them from being GCed early enough, thus finalized and closed. A WeakReference would be more readily collected, and solves an apparent actual issue running a 3.1.x SHS.



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