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https://issues.apache.org/jira/browse/SPARK-3577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14142524#comment-14142524
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Sandy Ryza commented on SPARK-3577:
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No problem. Yeah, I agree that a spill time metric would be useful.
> Add task metric to report spill time
> ------------------------------------
>
> Key: SPARK-3577
> URL: https://issues.apache.org/jira/browse/SPARK-3577
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 1.1.0
> Reporter: Kay Ousterhout
> Priority: Minor
>
> The ExternalSorter passes its own ShuffleWriteMetrics into ExternalSorter.
> The write time recorded in those metrics is never used. We should probably
> add task metrics to report this spill time, since for shuffles, this would
> have previously been reported as part of shuffle write time (with the
> original hash-based sorter).
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