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https://issues.apache.org/jira/browse/MAPREDUCE-3686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13216667#comment-13216667
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Vinod Kumar Vavilapalli commented on MAPREDUCE-3686:
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Nice catch Kamesh! Both the bugs.
Patch looks good too. Tested and verified. +1. Pushing this in.
> history server web ui - job counter values for map/reduce not shown properly
> ----------------------------------------------------------------------------
>
> Key: MAPREDUCE-3686
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3686
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Thomas Graves
> Assignee: Bhallamudi Venkata Siva Kamesh
> Priority: Critical
> Attachments: MAPREDUCE-3686-1.path, MAPREDUCE-3686.patch,
> MAPREDUCE-3686.patch, jobcounter1.png, jobcounter2.png, jobcounter3.png
>
>
> Looking at the job counters page on the history server for a finished job, it
> shows 3 columns for each counter - map, reduce, total. The total appears
> correct, but map and reduce columns are always zero. If you click on a
> particular column it does show you the map/reduce task and the value of each
> one.
> Going to attach screenshots shortly.
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