Github user ksakellis commented on a diff in the pull request: https://github.com/apache/spark/pull/3711#discussion_r22624775 --- Diff: core/src/main/scala/org/apache/spark/scheduler/SparkListener.scala --- @@ -84,6 +85,14 @@ case class SparkListenerBlockManagerRemoved(time: Long, blockManagerId: BlockMan @DeveloperApi case class SparkListenerUnpersistRDD(rddId: Int) extends SparkListenerEvent +@DeveloperApi +case class SparkListenerExecutorAdded(executorId: String, executorDetails: ExecutorDetails) + extends SparkListenerEvent + +@DeveloperApi +case class SparkListenerExecutorRemoved(executorId: String, executorDetails: ExecutorDetails) --- End diff -- This makes the event more self describing. Otherwise you'd need to also listen on the executorAdded event, have a hashmap then look it up in the executor removed method to find the details. That being said, I don't really feel that strongly so we can remove the executorDetails structure if you are concerned.
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