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https://issues.apache.org/jira/browse/SPARK-29396?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16949460#comment-16949460
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Thomas Graves commented on SPARK-29396:
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While I do like the idea, do we have some concrete use cases here?
Its easier to make sure API makes sense when you have use cases. Normally I
would have thought on the driver side its easy to write whatever code you want
and spin it up yourself.
> Extend Spark plugin interface to driver
> ---------------------------------------
>
> Key: SPARK-29396
> URL: https://issues.apache.org/jira/browse/SPARK-29396
> Project: Spark
> Issue Type: New Feature
> Components: Spark Core
> Affects Versions: 3.0.0
> Reporter: Marcelo Masiero Vanzin
> Priority: Major
>
> Spark provides an extension API for people to implement executor plugins,
> added in SPARK-24918 and later extended in SPARK-28091.
> That API does not offer any functionality for doing similar things on the
> driver side, though. As a consequence of that, there is not a good way for
> the executor plugins to get information or communicate in any way with the
> Spark driver.
> I've been playing with such an improved API for developing some new
> functionality. I'll file a few child bugs for the work to get the changes in.
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