apache/spark — pull request #1391 by nishkamravi2 (2014-07-13 05:42:03+00:00)
Title: Modify default YARN memory_overhead-- from an additive constant to a multiplier

Related to https://github.com/apache/spark/pull/894/ and https://issues.apache.org/jira/browse/SPARK-2398 Experiments show that memory_overhead grows with container size. The multiplier has been experimentally obtained and can potentially be improved over time.