Github user edwinalu commented on a diff in the pull request: https://github.com/apache/spark/pull/21221#discussion_r209771443 --- Diff: core/src/main/scala/org/apache/spark/status/AppStatusListener.scala --- @@ -669,6 +686,31 @@ private[spark] class AppStatusListener( } } } + + // check if there is a new peak value for any of the executor level memory metrics + // for the live UI. SparkListenerExecutorMetricsUpdate events are only processed + // for the live UI. + event.executorUpdates.foreach { updates: ExecutorMetrics => --- End diff -- No, these don't need to be explicitly defined.
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