Github user XuTingjun commented on a diff in the pull request: https://github.com/apache/spark/pull/6839#discussion_r32693244 --- Diff: core/src/main/scala/org/apache/spark/ui/scope/RDDOperationGraph.scala --- @@ -70,6 +70,13 @@ private[ui] class RDDOperationCluster(val id: String, private var _name: String) def getAllNodes: Seq[RDDOperationNode] = { _childNodes ++ _childClusters.flatMap(_.childNodes) } + + /** Return all the nodes which are cached. */ + def getCachedNodes: Seq[RDDOperationNode] = { + val cachedNodes = _childNodes.filter(_.cached) + _childClusters.foreach(cluster => cachedNodes ++= cluster._childNodes.filter(_.cached)) --- End diff -- yeah, I think so.
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