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calc error #10

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WF1a opened this issue May 8, 2019 · 0 comments

WF1a commented May 8, 2019

https://spoddutur.github.io/spark-notes/distribution_of_executors_cores_and_memory_for_spark_application

So, if we request 20GB per executor, AM will actually get 20GB + memoryOverhead = 20 + 7% of 20GB = ~23GB memory for us.

20GB + memoryOverhead = 20 + 7% of 20GB = ~22GB

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