Github user JoshRosen commented on a diff in the pull request: https://github.com/apache/spark/pull/6672#discussion_r33068170 --- Diff: core/src/main/scala/org/apache/spark/ui/storage/StorageTab.scala --- @@ -39,7 +39,9 @@ private[ui] class StorageTab(parent: SparkUI) extends SparkUITab(parent, "storag * This class is thread-safe (unlike JobProgressListener) */ @DeveloperApi -class StorageListener(storageStatusListener: StorageStatusListener) extends SparkListener { +class StorageListener(storageStatusListener: StorageStatusListener) + extends BlockStatusListener with SparkListener { --- End diff -- AFAIK you can just extend `BlockStatusListener` here, which will transitively pull in the `SparkListener` interface.
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