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From "XieXianshan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-2612) The result returned by the wrong usage of the command "job -counter<job-id> <group-name> <counter-name> "is not appropriate
Date Mon, 27 Jun 2011 09:47:47 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2612?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13055430#comment-13055430
] 

XieXianshan commented on MAPREDUCE-2612:
----------------------------------------

Thanks for your comment.I reupload the patch.

> The result returned by the wrong usage of the command "job -counter<job-id> <group-name>
<counter-name> "is not appropriate
> ---------------------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-2612
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2612
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>    Affects Versions: 0.23.0
>            Reporter: XieXianshan
>            Priority: Minor
>             Fix For: 0.23.0
>
>         Attachments: MAPREDUCE-2612-0627, Mapreduce_2612
>
>
> The result returned by Map/Reduce command "job -counter<job-id> <group-name>
<counter-name> " is always zero ,when use this command with incorrect group name or
counter name. 
> It is very easy to be misunderstood if users just make a spelling mistake.
> So,for more comprehensible information, more detailed results should be displayed as
the following:
> [Could not find group FileSystemCounters_err] <--incorrect group name
>   or
> [Could not find counter FILE_BYTES_READ_err in the group FileSystemCounters] <--incorrect
counter name

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