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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/09/26 15:17:04 UTC
[jira] [Commented] (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:comment-tabpanel&focusedCommentId=14909271#comment-14909271 ]
Apache Spark commented on SPARK-10842:
--------------------------------------
User 'suyanNone' has created a pull request for this issue:
https://github.com/apache/spark/pull/8923
> 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 judge the stage whether it add into *shuffleIdToStage* in some condition: get shuffleDep from *getAncestorShuffleDependency*
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