Github user lgieron commented on a diff in the pull request:
https://github.com/apache/spark/pull/13264#discussion_r64448718
--- Diff: core/src/main/scala/org/apache/spark/ui/storage/StorageTab.scala
---
@@ -59,7 +59,15 @@ class StorageListener(storageStatusListener:
StorageStatusListener) extends Bloc
override def onStageSubmitted(stageSubmitted:
SparkListenerStageSubmitted): Unit = synchronized {
val rddInfos = stageSubmitted.stageInfo.rddInfos
- rddInfos.foreach { info => _rddInfoMap.getOrElseUpdate(info.id, info) }
+ rddInfos.foreach { info =>
+ _rddInfoMap.get(info.id) match {
+ case Some(rddInfo) if info.name != rddInfo.name =>
+ rddInfo.name = info.name
+ case None =>
+ _rddInfoMap(info.id) = info
+ case _ =>
--- End diff --
If we take out `case _ =>`, then won't have a match for cached rddInfo
whose name wasn't changed - resulting in exception?
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