apache/spark — pull request #311 by ivanwick (2014-04-03 06:14:28+00:00)
Title: Set spark.executor.uri from environment variable (needed by Mesos)

The Mesos backend uses this property when setting up a slave process. It is similarly set in the Scala repl (org.apache.spark.repl.SparkILoop), but I couldn't find any analogous for pyspark.