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From "Meng Mao (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-994) bin/hadoop job -counter help options do not give information on permissible values.
Date Wed, 03 Feb 2010 03:26:18 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12828928#action_12828928

Meng Mao commented on MAPREDUCE-994:

I agree, though currently the usage output is simply:
$ hadoop job -counter
Usage: JobClient [-counter <job-id> <group-name> <counter-name>]

I couldn't the example of
hadoop job -counter org.apache.hadoop.mapreduce.TaskCounter REDUCE_INPUT_RECORDS
to work. Is it working for others? Access to the various MapReduce counters would be highly

> bin/hadoop job -counter help options do not give information on permissible values.
> -----------------------------------------------------------------------------------
>                 Key: MAPREDUCE-994
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-994
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Iyappan Srinivasan
>            Priority: Minor
> Right now,  bin/hadoop job -counter  gives this output
> bin/hadoop job -counter 
> DEPRECATED: Use of this script to execute mapred command is deprecated.
> Instead use the mapred command for it.
> Usage: CLI [-counter <job-id> <group-name> <counter-name>]
> What are these group names and what are the counter-names is not explained. All permissible
values of group-name> and <counter-name> should be specified.
> Group_name Ex: 
> org.apache.hadoop.mapreduce.TaskCounter 
> Counter name example:

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