Github user andrewor14 commented on the pull request:
https://github.com/apache/spark/pull/2485#issuecomment-57007876
Hey I just talked to @pwendell about this. I think it's better for us to
have a yarn config and a mesos config, but not generalize this to use a common
`spark.executor.memory.overhead.*` config. The reason behind this is because
this memory overhead doesn't make sense for standalone mode or other cluster
managers that don't launch executors in containers. I think it's fine as long
as the two yarn and mesos configs have the same semantics, so the user of one
mode is not confused when they switch to another.
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