Github user rednaxelafx commented on the issue:
https://github.com/apache/spark/pull/20645
A quick question: after this change, `extraJavaOptions` is still able to
cleanly override whatever's set in `defaultJavaOptions`, is that right?
^^ Just making sure I understood the intent correctly and not the other way
around. There may well be the other side of administrative needs which is to
"force options", e.g. force `-XX:-DisableExplicitGC` so that NIO direct memory
doesn't get into trouble, but that'd be out of scope of this PR.
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