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https://issues.apache.org/jira/browse/SPARK-3577?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kay Ousterhout updated SPARK-3577:
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Description:
After this change
https://github.com/apache/spark/commit/4e982364426c7d65032e8006c63ca4f9a0d40470
(cc [~sandyr] [~pwendell]) the ExternalSorter passes its own
ShuffleWriteMetrics into ExternalSorter. The write time recorded in those
metrics is never used -- meaning that when someone is using sort-based shuffle,
the shuffle write time will be recorded as 0.
[~sandyr] do you have time to take a look at this?
was:After this change
https://github.com/apache/spark/commit/4e982364426c7d65032e8006c63ca4f9a0d40470
(cc [~sandyr] [~pwendell]) the ExternalSorter passes its own
ShuffleWriteMetrics into ExternalSorter. The write time recorded in those
metrics is never used -- meaning that when someone is using sort-based shuffle,
the shuffle write time will be recorded as 0.
Priority: Blocker (was: Major)
Target Version/s: 1.2.0
> Shuffle write time incorrect for sort-based shuffle
> ---------------------------------------------------
>
> 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: Blocker
>
> After this change
> https://github.com/apache/spark/commit/4e982364426c7d65032e8006c63ca4f9a0d40470
> (cc [~sandyr] [~pwendell]) the ExternalSorter passes its own
> ShuffleWriteMetrics into ExternalSorter. The write time recorded in those
> metrics is never used -- meaning that when someone is using sort-based
> shuffle, the shuffle write time will be recorded as 0.
> [~sandyr] do you have time to take a look at this?
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