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https://issues.apache.org/jira/browse/SPARK-14486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15231920#comment-15231920
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meiyoula commented on SPARK-14486:
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[~andrewor14]
> For partition table, the dag occurs oom because of too many same rdds
> ---------------------------------------------------------------------
>
> Key: SPARK-14486
> URL: https://issues.apache.org/jira/browse/SPARK-14486
> Project: Spark
> Issue Type: Improvement
> Reporter: meiyoula
>
> For partition table, when partition rdds do some maps, the rdd number will
> multiple grow. So rdd number in dag will become thounds, and occurs oom.
> Can we make a improvement to reduce the rdd number in dag. show the same rdds
> just one time, not each partition.
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