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https://issues.apache.org/jira/browse/SPARK-3574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14138246#comment-14138246
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Sandy Ryza commented on SPARK-3574:
-----------------------------------
On it
> Shuffle finish time always reported as -1
> -----------------------------------------
>
> Key: SPARK-3574
> URL: https://issues.apache.org/jira/browse/SPARK-3574
> Project: Spark
> Issue Type: Bug
> Affects Versions: 1.1.0
> Reporter: Kay Ousterhout
>
> shuffleFinishTime is always reported as -1. I think the way we fix this
> should be to set the shuffleFinishTime in each ShuffleWriteMetrics as the
> shuffles finish, but when aggregating the metrics, only report
> shuffleFinishTime as something other than -1 when *all* of the shuffles have
> completed.
> [~sandyr], it looks like this was introduced in your recent patch to
> incrementally report metrics. Any chance you can fix this?
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