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https://issues.apache.org/jira/browse/SPARK-26287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-26287:
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Assignee: (was: Apache Spark)
> 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
> Priority: Minor
>
> 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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