GitHub user andrewor14 opened a pull request:
https://github.com/apache/spark/pull/3082
[WIP][SPARK-3797] Run external shuffle service in Yarn NM
This creates a new module `network/yarn` that depends on `network/shuffle`
recently created in #3001. This PR introduces a custom Yarn auxiliary service
that runs the external shuffle service. As of the changes here this shuffle
service is required for using dynamic allocation with Spark.
This is still WIP mainly because it doesn't handle security yet.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/andrewor14/spark yarn-shuffle-service
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/3082.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #3082
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