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https://issues.apache.org/jira/browse/SPARK-10842?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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SuYan updated SPARK-10842:
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Description:
When we traverse RDD, to generate Stage DAG, Spark will skip to judge the stage
whether was added into *shuffleIdToStage* or not in some condition: get
shuffleDep from *getAncestorShuffleDependency*
was:When we traverse RDD, to generate Stage DAG, Spark will skip judge the
stage whether it add into *shuffleIdToStage* in some condition: get shuffleDep
from *getAncestorShuffleDependency*
> Eliminate create duplicate stage while generate job dag
> -------------------------------------------------------
>
> Key: SPARK-10842
> URL: https://issues.apache.org/jira/browse/SPARK-10842
> Project: Spark
> Issue Type: Improvement
> Components: Scheduler
> Affects Versions: 1.5.0
> Reporter: SuYan
> Priority: Minor
>
> When we traverse RDD, to generate Stage DAG, Spark will skip to judge the
> stage whether was added into *shuffleIdToStage* or not in some condition: get
> shuffleDep from *getAncestorShuffleDependency*
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