Github user nishkamravi2 commented on the pull request:
https://github.com/apache/spark/pull/492#issuecomment-41882773
--driver-java-options would only work through the spark-submit script. If
the developer invokes yarn.deploy.Client directly (as is common practice
thusfar), they would simply pass java options (using -D) and the following code
would allow spark options to be accepted:
for ((k, v) <- sys.props.filterKeys(_.startsWith("spark")))
{ JAVA_OPTS += "-D" + k + "=" + "\\\"" + v + "\\\"" }
This too was checked in by Patrick fairly recently (last Monday I think).
I would prefer creation of an explicit flag (--spark-java-options or
--driver-java-options) for yarn.deploy.Client in order to be consistent with
the rest of Spark UI, buthen Patrick has already checked in the code above and
I guess he intends on keeping it.
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