Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/1218#discussion_r15483509
--- Diff: core/src/main/scala/org/apache/spark/SparkContext.scala ---
@@ -1531,18 +1532,6 @@ object SparkContext extends Logging {
throw new SparkException("YARN mode not available ?", e)
}
}
- val backend = try {
- val clazz =
-
Class.forName("org.apache.spark.scheduler.cluster.YarnClusterSchedulerBackend")
- val cons = clazz.getConstructor(classOf[TaskSchedulerImpl],
classOf[SparkContext])
- cons.newInstance(scheduler,
sc).asInstanceOf[CoarseGrainedSchedulerBackend]
- } catch {
- case e: Exception => {
- throw new SparkException("YARN mode not available ?", e)
- }
- }
- scheduler.initialize(backend)
- scheduler
--- End diff --
I see you're initializing the backend in `YarnClusterScheduler` instead.
Why are we changing this? It might make sense to fix this in a separate PR if
this is a bug / some kind of improvement.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
