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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2017/01/20 11:49:26 UTC
[jira] [Resolved] (SPARK-10842) Eliminate create duplicate stage
while generate job dag
[ https://issues.apache.org/jira/browse/SPARK-10842?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon resolved SPARK-10842.
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Resolution: Duplicate
I am resolving this as a duplicate per the reporter's comment https://github.com/apache/spark/pull/8923#issuecomment-218682081 and the comment in the PR taking over this - https://github.com/apache/spark/pull/12655#issuecomment-216706049
> 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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