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Posted to issues@spark.apache.org by "Ilya Ganelin (JIRA)" <ji...@apache.org> on 2014/10/17 14:06:34 UTC

[jira] [Commented] (SPARK-3694) Allow printing object graph of tasks/RDD's with a debug flag

    [ https://issues.apache.org/jira/browse/SPARK-3694?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14174981#comment-14174981 ] 

Ilya Ganelin commented on SPARK-3694:
-------------------------------------

Hello. I would like to work on this. Can you please assign it to me? Thank you. 

> Allow printing object graph of tasks/RDD's with a debug flag
> ------------------------------------------------------------
>
>                 Key: SPARK-3694
>                 URL: https://issues.apache.org/jira/browse/SPARK-3694
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>            Reporter: Patrick Wendell
>              Labels: starter
>
> This would be useful for debugging extra references inside of RDD's
> Here is an example for inspiration:
> http://ehcache.org/xref/net/sf/ehcache/pool/sizeof/ObjectGraphWalker.html
> We'd want to print this trace for both the RDD serialization inside of the DAGScheduler and the task serialization in the TaskSetManager.



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