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https://issues.apache.org/jira/browse/SPARK-2673?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-2673:
-----------------------------------
Assignee: (was: Apache Spark)
> 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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