Github user sun-rui commented on the pull request:
https://github.com/apache/spark/pull/6743#issuecomment-117859704
@andrewor14,
I have tested this patch with a real YARN cluster.
For an R program, it can source other R files and call functions within
them, or it can call functions exposed in other R packages. For sourcing R
files, it can be supported via the existing --files (refer to SPARK-6833). For
dependent R packages, SparkR now only supports passing the name list of the R
packages to workers, but not distributing the packages themselves. It is
expected that they are already installed in the R environment on worker nodes.
Not sure if we support distributing dependent R packages or not, @shivaram,
what do you think?
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