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https://issues.apache.org/jira/browse/SPARK-26140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16699444#comment-16699444
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Apache Spark commented on SPARK-26140:
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User 'rxin' has created a pull request for this issue:
https://github.com/apache/spark/pull/23147
> Enable custom shuffle metrics implementation in shuffle reader
> --------------------------------------------------------------
>
> Key: SPARK-26140
> URL: https://issues.apache.org/jira/browse/SPARK-26140
> Project: Spark
> Issue Type: Sub-task
> Components: Spark Core
> Affects Versions: 2.4.0
> Reporter: Reynold Xin
> Assignee: Reynold Xin
> Priority: Major
> Fix For: 3.0.0
>
>
> The first step to pull the creation of TempShuffleReadMetrics out of shuffle
> layer, so it can be driven by an external caller. Then we can in SQL
> execution pass in a special metrics reporter that allows updating
> ShuffleExchangeExec's metrics.
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