GitHub user KevinGrealish opened a pull request:
https://github.com/apache/spark/pull/13824
[SPARK-16110][YARN][PYSPARK] Fix allowing python version to be speicifed
per submit for cluster mode.
## What changes were proposed in this pull request?
This fix allows submit of pyspark jobs to specify python 2 or 3.
Change ordering in setup for application master environment so env vars
PYSPARK_PYTHON and PYSPARK_DRIVER_PYTHON can be overridden by
spark.yarn.appMasterEnv.* conf settings. This applies to YARN in cluster mode.
This allows them to be set per submission without needing the unset the env
vars (which is not always possible - e.g. batch submit with LIVY only exposes
the arguments to spark-submit)
## How was this patch tested?
Manual and existing unit tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/KevinGrealish/spark SPARK-16110
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/13824.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 #13824
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