meiyoula created SPARK-8392:
-------------------------------
Summary: the process is hang on when getting cachedNodes
Key: SPARK-8392
URL: https://issues.apache.org/jira/browse/SPARK-8392
Project: Spark
Issue Type: Bug
Components: Spark Core
Reporter: meiyoula
*def getAllNodes: Seq[RDDOperationNode] = {
_childNodes ++ _childClusters.flatMap(_.childNodes)
}*
when the _childClusters has so many nodes, the process will hang on. I think we
can improve the efficiency here.
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