[jira] [Resolved] (SPARK-8414) Ensure ContextCleaner actually triggers clean ups

["Josh Rosen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-8414?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Josh Rosen resolved SPARK-8414.
-------------------------------
       Resolution: Fixed
    Fix Version/s: 1.6.0

Issue resolved by pull request 10070
[https://github.com/apache/spark/pull/10070]

> Ensure ContextCleaner actually triggers clean ups
> -------------------------------------------------
>
>                 Key: SPARK-8414
>                 URL: https://issues.apache.org/jira/browse/SPARK-8414
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 1.4.0
>            Reporter: Andrew Or
>            Assignee: Andrew Or
>            Priority: Critical
>             Fix For: 1.6.0
>
>
> Right now it cleans up old references only through natural GCs, which may not occur if the driver has infinite RAM. We should do a periodic GC to make sure that we actually do clean things up. Something like once per 30 minutes seems relatively inexpensive.



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