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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-10787) Reset ObjectOutputStream more often to prevent OOME
Date Thu, 24 Sep 2015 03:56:04 GMT

     [ https://issues.apache.org/jira/browse/SPARK-10787?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ted Yu updated SPARK-10787:
---------------------------
    Description: 
In the thread, Spark ClosureCleaner or java serializer OOM when trying to grow (http://search-hadoop.com/m/q3RTtAr5X543dNn),
Jay Luan reported that ClosureCleaner#ensureSerializable() resulted in OOME.

The cause was that ObjectOutputStream keeps a strong reference of every object that was written
to it.

This issue tries to avoid OOME by calling reset() more often.

  was:
In the thread, Spark ClosureCleaner or java serializer OOM when trying to grow, Jay Luan reported
that ClosureCleaner#ensureSerializable() resulted in OOME.

The cause was that ObjectOutputStream keeps a strong reference of every object that was written
to it.

This issue tries to avoid OOME by calling reset() more often.


> Reset ObjectOutputStream more often to prevent OOME
> ---------------------------------------------------
>
>                 Key: SPARK-10787
>                 URL: https://issues.apache.org/jira/browse/SPARK-10787
>             Project: Spark
>          Issue Type: Bug
>            Reporter: Ted Yu
>
> In the thread, Spark ClosureCleaner or java serializer OOM when trying to grow (http://search-hadoop.com/m/q3RTtAr5X543dNn),
Jay Luan reported that ClosureCleaner#ensureSerializable() resulted in OOME.
> The cause was that ObjectOutputStream keeps a strong reference of every object that was
written to it.
> This issue tries to avoid OOME by calling reset() more often.



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