[jira] [Commented] (SPARK-2673) Improve Enable to attach Debugger to Executors easily

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-2673?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14486897#comment-14486897 ] 

Apache Spark commented on SPARK-2673:
-------------------------------------

User 'sarutak' has created a pull request for this issue:
https://github.com/apache/spark/pull/5437

> Improve Enable to attach Debugger to Executors easily
> -----------------------------------------------------
>
>                 Key: SPARK-2673
>                 URL: https://issues.apache.org/jira/browse/SPARK-2673
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core, Web UI
>            Reporter: Kousuke Saruta
>
> In current implementation, we are difficult to attach debugger to each Executor in the cluster.
> There are reasons as follows.
> 1) Multi Executors can run on the same machine so each executor should open individual debug ports.
> 2)  Even if we can open unique debug port to each Executors running on the same machine, it's a bother to check debug port of each executor.
> To solve those problem, I think following 2 improvement is needed.
> 1) Enable executor to open unique debug port on a machine.
> 2) Expand WebUI to be able to show debug ports opening in each executor.



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