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https://issues.apache.org/jira/browse/MAPREDUCE-2612?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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XieXianshan updated MAPREDUCE-2612:
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Status: Patch Available (was: Open)
> 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
>
>
> 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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