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https://issues.apache.org/jira/browse/SPARK-23253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-23253:
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Assignee: Apache Spark
> Only write shuffle temporary index file when there is not an existing one
> -------------------------------------------------------------------------
>
> Key: SPARK-23253
> URL: https://issues.apache.org/jira/browse/SPARK-23253
> Project: Spark
> Issue Type: Improvement
> Components: Shuffle, Spark Core
> Affects Versions: 2.2.1
> Reporter: Kent Yao
> Assignee: Apache Spark
> Priority: Major
>
> Shuffle Index temporay file is used for atomic creating shuffle index file,
> it is not needed when the index file already exists after another attempts of
> same task had it done.
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