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Date: Wed, 28 Sep 2011 16:12:45 +0000 (UTC)
From: "Robert Joseph Evans (Commented) (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
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Subject: [jira] [Commented] (MAPREDUCE-3001) Map Reduce JobHistory and
 AppMaster UI should have ability to display task specific counters.
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-3001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13116574#comment-13116574 ] 

Robert Joseph Evans commented on MAPREDUCE-3001:
------------------------------------------------

I have been looking into the cutoff of the counter.  It looks like Luke did this on purpose.  There are a couple of options that I can put in and I am not really sure what the correct one is.

# I can increase the width of the column to 15em.  This has enough space for what we have now, but may not be enough in the future and the error will happen again.
# I can set it up so if there is an overflow then a scroll bar shows up and you can scroll to see the rest (This is kind of ugly)
# I can set it up so if there is an overflow then the name will write off the edge and potentially overwrite text in the next column (also ugly)
# I can try and make it so that we split the string in a different location.  Right now there is code inserting 0-width spaces after '.' and before '$' characters to allow splits there.  I could also put them in other places too.  Like before a Capital letter.

I think #1 is the best choice right now, and I am going to go with it.  If you want something else in addition to it or instead of it then please say so. 
                
> Map Reduce JobHistory and AppMaster UI should have ability to display task specific counters.
> ---------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3001
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3001
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: jobhistoryserver, mrv2
>    Affects Versions: 0.23.0, 0.24.0
>            Reporter: Robert Joseph Evans
>            Assignee: Robert Joseph Evans
>            Priority: Blocker
>             Fix For: 0.23.0, 0.24.0
>
>         Attachments: MR-3001.txt
>
>
> Map Reduce JobHistory and AppMaster UI should have ability to display task specific counters.  I think the best way to do this is to include in the Nav Block a task specific section with task links when a task is selected.  Counters is already set up to deal with a task passed in.

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