Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/5096#discussion_r27765167
--- Diff: core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala ---
@@ -317,11 +328,32 @@ object SparkSubmit {
}
}
- // In yarn-cluster mode for a python app, add primary resource and
pyFiles to files
- // that can be distributed with the job
- if (args.isPython && isYarnCluster) {
- args.files = mergeFileLists(args.files, args.primaryResource)
- args.files = mergeFileLists(args.files, args.pyFiles)
+ // If we're running a R app, set the main class to our specific R
runner
+ if (args.isR && deployMode == CLIENT) {
+ if (args.primaryResource == SPARKR_SHELL) {
+ args.mainClass = "org.apache.spark.api.r.RBackend"
+ } else {
+ // If a R file is provided, add it to the child arguments and list
of files to deploy.
+ // Usage: PythonAppRunner <main R file> [app arguments]
--- End diff --
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