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Posted to issues@spark.apache.org by "Sandy Ryza (JIRA)" <ji...@apache.org> on 2014/09/18 02:09:33 UTC

[jira] [Commented] (SPARK-3577) Shuffle write time incorrect for sort-based shuffle

    [ https://issues.apache.org/jira/browse/SPARK-3577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14138245#comment-14138245 ] 

Sandy Ryza commented on SPARK-3577:
-----------------------------------

On it

> 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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