apache/spark — pull request #3696 by ksakellis (2014-12-15 04:48:57+00:00)
Title: SPARK-4843 [YARN] Squash ExecutorRunnableUtil and ExecutorRunnable

ExecutorRunnableUtil is a parent of ExecutorRunnable because of the yarn-alpha and yarn-stable split. Now that yarn-alpha is gone, this commit squashes the unnecessary hierarchy. The methods from ExecutorRunnableUtil are added as private.