Github user maropu closed the pull request at:
https://github.com/apache/spark/pull/14039
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GitHub user maropu opened a pull request:
https://github.com/apache/spark/pull/14039
[SPARK-15896][SQL] Clean up shuffle files just after jobs finished
## What changes were proposed in this pull request?
Since `ShuffleRDD` in a SQL query could not be reuse later, this pr is to
