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https://issues.apache.org/jira/browse/MAPREDUCE-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16170837#comment-16170837
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Chris Douglas commented on MAPREDUCE-6958:
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bq. Since 3.0 hasn't officially shipped yet, I propose to revert the 003 patch
I committed to trunk and branch-3.0 and instead commit patch version 002 which
preserves the job-then-reducer ordering already established in the 2.x line.
Objections?
Nope, that sounds reasonable. Thanks for the extra audit
> 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, MAPREDUCE-6958-branch-2.002.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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