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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/02/01 04:33:33 UTC

[GitHub] liupc commented on issue #23672: [SPARK-26750]Estimate memory overhead with multi-cores

liupc commented on issue #23672: [SPARK-26750]Estimate memory overhead with multi-cores
URL: https://github.com/apache/spark/pull/23672#issuecomment-459602706
 
 
   I agree that we may can improve this default overhead, but I was curious about how this default 0.1 is generated, by experimatal tests? is there any docs about how the experiment is done? does it taking the number of cores into account when do these tests?

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