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From "Reynold Xin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-3577) Add task metric to report spill time
Date Tue, 11 Oct 2016 05:00:29 GMT

    [ https://issues.apache.org/jira/browse/SPARK-3577?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15564472#comment-15564472
] 

Reynold Xin commented on SPARK-3577:
------------------------------------

[~dreamworks007] can you take a look at the problem here? https://github.com/apache/spark/pull/15347


> 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: Shuffle, Spark Core
>    Affects Versions: 1.1.0
>            Reporter: Kay Ousterhout
>            Priority: Minor
>         Attachments: spill_size.jpg
>
>
> 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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