meiyoula created SPARK-14486:
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Summary: 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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