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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6958) Shuffle audit logger should log size of shuffle transfer
Date Mon, 18 Sep 2017 22:15:01 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16170810#comment-16170810
] 

Hudson commented on MAPREDUCE-6958:
-----------------------------------

FAILURE: Integrated in Jenkins build Hadoop-trunk-Commit #12903 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/12903/])
MAPREDUCE-6958. Shuffle audit logger should log size of shuffle (jlowe: rev b3d61304f2fa4a99526f7a60ccaac9f262083079)
* (edit) hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle/src/main/java/org/apache/hadoop/mapred/ShuffleHandler.java


> Shuffle audit logger should log size of shuffle transfer
> --------------------------------------------------------
>
>                 Key: MAPREDUCE-6958
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6958
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>            Priority: Minor
>             Fix For: 3.0.0-beta1
>
>         Attachments: MAPREDUCE-6958.001.patch, MAPREDUCE-6958.002.patch, MAPREDUCE-6958.003.patch
>
>
> The shuffle audit logger currently logs the job ID and reducer ID but nothing about the
size of the requested transfer.  It calculates this as part of the HTTP response headers,
so it would be trivial to log the response size.  This would be very valuable for debugging
network traffic storms from the shuffle handler.



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