WangJianfei created SPARK-17447:
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Summary: we need't sort the rdds in Partitioner.DefaultPartitioner
Key: SPARK-17447
URL: https://issues.apache.org/jira/browse/SPARK-17447
Project: Spark
Issue Type: Improvement
Components: Spark Core
Affects Versions: 2.0.0
Reporter: WangJianfei
if there are many rdds in some situations,the sort will loss he performance
servely,actually we needn't sort the rdds , we can just scan the rdds one time
to gain the same goal.
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