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Posted to mapreduce-dev@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2017/09/14 21:54:00 UTC

[jira] [Created] (MAPREDUCE-6958) Shuffle audit logger should log size of shuffle transfer

Jason Lowe created MAPREDUCE-6958:
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             Summary: 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


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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