Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/14269#discussion_r118106665
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/LiveListenerBus.scala ---
@@ -32,18 +33,24 @@ import org.apache.spark.util.Utils
* has started will events be actually propagated to all attached
listeners. This listener bus
* is stopped when `stop()` is called, and it will drop further events
after stopping.
*/
-private[spark] class LiveListenerBus extends SparkListenerBus {
+private[spark] class LiveListenerBus(val sparkContext: SparkContext)
extends SparkListenerBus {
--- End diff --
I guess we also use this to tear down `sparkContext` when the listener
dies. I still have a weak preference for the old code, however, since I think
the lifecycle was clearer.
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