Github user mgummelt commented on a diff in the pull request: https://github.com/apache/spark/pull/14511#discussion_r73764731 --- Diff: core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosClusterScheduler.scala --- @@ -358,14 +358,12 @@ private[spark] class MesosClusterScheduler( .orElse(desc.command.environment.get("SPARK_EXECUTOR_URI")) } - private def getDriverEnvironment(desc: MesosDriverDescription): Environment = { - val env = { - val executorOpts = desc.conf.getAll.map { case (k, v) => s"-D$k=$v" }.mkString(" ") - val executorEnv = Map("SPARK_EXECUTOR_OPTS" -> executorOpts) --- End diff -- Not only are these variables already set in `generateCmdOption`, but SPARK_EXECUTOR_OPTS has no effect on the driver process
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