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https://issues.apache.org/jira/browse/MAPREDUCE-5883?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13994684#comment-13994684
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Chen He commented on MAPREDUCE-5883:
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+1 non-binding.
> "Total megabyte-seconds" in job counters is slightly misleading
> ---------------------------------------------------------------
>
> Key: MAPREDUCE-5883
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5883
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 3.0.0, 2.4.0
> Reporter: Nathan Roberts
> Assignee: Nathan Roberts
> Priority: Minor
> Attachments: MAPREDUCE-5883.patch
>
>
> The following counters are in milliseconds so "megabyte-seconds" might be
> better stated as "megabyte-milliseconds"
> MB_MILLIS_MAPS.name= Total megabyte-seconds taken by all map
> tasks
> MB_MILLIS_REDUCES.name= Total megabyte-seconds taken by all reduce
> tasks
> VCORES_MILLIS_MAPS.name= Total vcore-seconds taken by all map tasks
> VCORES_MILLIS_REDUCES.name= Total vcore-seconds taken by all reduce
> tasks
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