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https://issues.apache.org/jira/browse/SPARK-25166?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-25166:
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Assignee: Apache Spark
> Reduce the number of write operations for shuffle write.
> --------------------------------------------------------
>
> Key: SPARK-25166
> URL: https://issues.apache.org/jira/browse/SPARK-25166
> Project: Spark
> Issue Type: Improvement
> Components: Shuffle
> Affects Versions: 2.4.0
> Reporter: liuxian
> Assignee: Apache Spark
> Priority: Minor
>
> Currently, only one record is written to a buffer each time, which increases
> the number of copies.
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