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Posted to issues@spark.apache.org by "wangjiaochun (JIRA)" <ji...@apache.org> on 2018/12/06 06:01:00 UTC

[jira] [Created] (SPARK-26287) Don't need to create an empty spill file when memory has no records

wangjiaochun created SPARK-26287:
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             Summary: Don't need to create an empty spill file when memory has no records
                 Key: SPARK-26287
                 URL: https://issues.apache.org/jira/browse/SPARK-26287
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
    Affects Versions: 2.4.0
            Reporter: wangjiaochun


In the function writeSortedFile of the class ShuffleExternalSorter 

when If there are no records in memory, then we don't need to create an empty spill file.



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