Github user aarondav commented on a diff in the pull request:
https://github.com/apache/spark/pull/621#discussion_r12252364
--- Diff:
core/src/main/scala/org/apache/spark/executor/CoarseGrainedExecutorBackend.scala
---
@@ -94,25 +95,32 @@ private[spark] class CoarseGrainedExecutorBackend(
private[spark] object CoarseGrainedExecutorBackend {
def run(driverUrl: String, executorId: String, hostname: String, cores:
Int,
- workerUrl: Option[String]) {
- // Debug code
- Utils.checkHost(hostname)
-
- val conf = new SparkConf
- // Create a new ActorSystem to run the backend, because we can't
create a SparkEnv / Executor
- // before getting started with all our system properties, etc
- val (actorSystem, boundPort) =
AkkaUtils.createActorSystem("sparkExecutor", hostname, 0,
- indestructible = true, conf = conf, new SecurityManager(conf))
- // set it
- val sparkHostPort = hostname + ":" + boundPort
- actorSystem.actorOf(
- Props(classOf[CoarseGrainedExecutorBackend], driverUrl, executorId,
- sparkHostPort, cores),
- name = "Executor")
- workerUrl.foreach{ url =>
- actorSystem.actorOf(Props(classOf[WorkerWatcher], url), name =
"WorkerWatcher")
+ workerUrl: Option[String]) {
+
+ val sparkUser =
Option(System.getenv("SPARK_USER")).getOrElse(SparkContext.SPARK_UNKNOWN_USER)
--- End diff --
I believe runAsUser is not actually used anywhere else. We can probably
just make it intended for only this exact use-case to not confuse users with
its over-generality until it's necessary.
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