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https://issues.apache.org/jira/browse/MAPREDUCE-892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12746212#action_12746212
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Dmytro Molkov commented on MAPREDUCE-892:
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By the way, another place to introduce this functionality is the JobClient.
Instead of "hadoop mradmin -report" we can do "hadoop job -report", the
JobClient currently displays some (but extemely limited) information about the
task trackers on the cluster. We can extend the reporting functionality. Since
the JobClient is in mapred package, not mapred.tools it also solves the problem
of package private classes.
> command line tool to list all tasktrackers and their status
> -----------------------------------------------------------
>
> Key: MAPREDUCE-892
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-892
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Reporter: dhruba borthakur
> Assignee: Dmytro Molkov
>
> The "hadoop mradmin -report" could list all the tasktrackers that the
> JobTracker knows about. It will also list a brief status summary for each of
> the TaskTracker. (This is similar to the hadop dfsadmin -report command that
> lists all Datanodes)
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