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https://issues.apache.org/jira/browse/MAPREDUCE-486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13189694#comment-13189694
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Devaraj K commented on MAPREDUCE-486:
-------------------------------------
Recently I also have faced the same thing, and confused that why it is taking
more than the configured capacity. After debugging the code, came to know that
extra tasks are only in commit pending state. It is better to have this in the
UI to avoid confusion.
Patch looks good to me.
> JobTracker web UI counts COMMIT_PENDING tasks as Running
> --------------------------------------------------------
>
> Key: MAPREDUCE-486
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-486
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Affects Versions: 0.20.2
> Reporter: Todd Lipcon
> Assignee: Harsh J
> Priority: Minor
> Attachments: 0.20-MAPREDUCE-486.r1.diff, After Commit_pending
> column.png, Before Commit_pending column.png, runcount.jar, runcount.tar.gz
>
>
> In jobdetails.jsp, tasks in COMMIT_PENDING state are listed as "Running". I
> propose creating another column in this table for COMMIT_PENDING tasks, since
> users find it confusing that a given job can have more tasks "Running" than
> their total cluster capacity.
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