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https://issues.apache.org/jira/browse/SPARK-16573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15379892#comment-15379892
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Sean Owen commented on SPARK-16573:
-----------------------------------

I'm not sure it's mysterious how that would work, but, doesn't seem like 
something that adds enough value over existing ways to accomplish this.

> executor stderr  processing tools
> ---------------------------------
>
>                 Key: SPARK-16573
>                 URL: https://issues.apache.org/jira/browse/SPARK-16573
>             Project: Spark
>          Issue Type: Improvement
>          Components: Input/Output
>         Environment: spark 1.6.0
>            Reporter: Norman He
>   Original Estimate: 672h
>  Remaining Estimate: 672h
>
> 1) from eacch executor, I can view stderr of each one
> 2) I would like to filter all the stderr of every executor ( saying I am 
> interested #18 output of all executor ) and I would like to add the number in 
> them by grepping certain field and sum them up.
> 3) TensorBoard having this kind of capability



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