Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/1056#discussion_r14864612
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/SparkListener.scala ---
@@ -158,6 +161,11 @@ trait SparkListener {
* Called when the application ends
*/
def onApplicationEnd(applicationEnd: SparkListenerApplicationEnd) { }
+
+ /**
+ * Called when an executor heartbeats to deliver updates on its tasks'
metrics.
--- End diff --
What does this mean? Did you mean something more along the lines of `Called
when the driver receives heartbeats from executors`?
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