Github user lirui-intel commented on the pull request:
https://github.com/apache/spark/pull/892#issuecomment-45397807
@mridulm maybe it's better to allow users to specify how many executors
they need (which is not available with standalone mode I believe)? So they can
control things like total CPU and memory the application will get, and launch
jobs once a sufficient fraction is granted.
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