Github user pwendell commented on the pull request:
https://github.com/apache/spark/pull/492#issuecomment-41890440
@nishkamravi2 hey, the older yarn client is being deprecated so we probably
won't add new features to it. That is, if users want to take advantage of new
options they will need to switch over to `spark-submit`. Since it's basically a
drop-in replacement, the switch should be straightforward.
Is what you are trying to do not supported by spark-submit? If so, mind
elaborating a bit more (because setting java options for the driver and
executors are both supported)?
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