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https://issues.apache.org/jira/browse/SPARK-3513?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated SPARK-3513:
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Target Version/s: (was: 1.2.0)
> Provide a utility for running a function once on each executor
> --------------------------------------------------------------
>
> Key: SPARK-3513
> URL: https://issues.apache.org/jira/browse/SPARK-3513
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Reporter: Patrick Wendell
> Priority: Minor
>
> This is minor, but it would be nice to have a utility where you can pass a
> function and it will run some arbitrary function once on each each executor
> and return the result to you (e.g. you could perform a jstack from within the
> JVM). You could probably hack it together with custom locality preferences,
> accessing the list of live executors, and mapPartitions.
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