Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/6034#discussion_r30095919
--- Diff:
streaming/src/main/scala/org/apache/spark/streaming/dstream/DStream.scala ---
@@ -321,6 +320,48 @@ abstract class DStream[T: ClassTag] (
}
/**
+ * Helper method to generate an RDD for the specified time.
+ * This sets and resets the relevant local variables before and after
the call to compute.
+ */
+ private def doCompute(time: Time): Option[RDD[T]] = {
+ val scopeKey = SparkContext.RDD_SCOPE_KEY
+ val scopeNoOverrideKey = SparkContext.RDD_SCOPE_NO_OVERRIDE_KEY
+ // Set the thread-local property for call sites to this DStream's
creation site
--- End diff --
Can you update the comments to generalize it to both call sites and scopes?
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