[jira] [Closed] (SPARK-8392) RDDOperationGraph: getting cached nodes is slow

["Andrew Or (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-8392?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Or closed SPARK-8392.
----------------------------
          Resolution: Fixed
       Fix Version/s: 1.5.0
                      1.4.1
    Target Version/s: 1.4.1, 1.5.0

> RDDOperationGraph: getting cached nodes is slow
> -----------------------------------------------
>
>                 Key: SPARK-8392
>                 URL: https://issues.apache.org/jira/browse/SPARK-8392
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 1.4.0
>            Reporter: meiyoula
>            Assignee: meiyoula
>            Priority: Minor
>             Fix For: 1.4.1, 1.5.0
>
>
> 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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