Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/5242#discussion_r28458400
--- Diff:
yarn/src/main/scala/org/apache/spark/deploy/yarn/YarnAllocator.scala ---
@@ -231,6 +249,17 @@ private[yarn] class YarnAllocator(
}
/**
+ * Creates a container request, handling the reflection required to use
YARN features that were
+ * added in recent versions.
+ */
+ private def createContainerRequest(resource: Resource): ContainerRequest
= {
+ nodeLabelConstructor.map { constructor =>
--- End diff --
Just reviving my previous question: should we blow up if the user requests
a node label but the library doesn't support the feature?
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