Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/6223#discussion_r30476758
--- Diff: core/src/main/scala/org/apache/spark/rdd/AsyncRDDActions.scala ---
@@ -123,3 +127,8 @@ class AsyncRDDActions[T: ClassTag](self: RDD[T])
extends Serializable with Loggi
(index, data) => Unit, Unit)
}
}
+
+private object AsyncRDDActions {
+ val futureExecutionContext = ExecutionContext.fromExecutorService(
+ ThreadUtils.newDaemonCachedThreadPool("AsyncRDDActions-future", 1024))
--- End diff --
is 1024 too high? In reality, I wonder if we are going to hit this high
number of threads.
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