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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-26287) Don't need to create an empty spill file when memory has no records
Date Thu, 06 Dec 2018 06:03:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-26287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16711001#comment-16711001
] 

Apache Spark commented on SPARK-26287:
--------------------------------------

User 'wangjiaochun' has created a pull request for this issue:
https://github.com/apache/spark/pull/23225

> 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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