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From "Dmytro Molkov (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-892) command line tool to list all tasktrackers and their status
Date Thu, 20 Aug 2009 18:23:14 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12745542#action_12745542
] 

Dmytro Molkov commented on MAPREDUCE-892:
-----------------------------------------

Currently some classes that hold the information relevant to this report: TaskTrackerStatus,
JobInProgress are marked as package private, which restricts me from using them directly in
the MRAdmin class.
Two ways to solve it might be introducing public interfaces that expose information useful
in reports or making the classes public.

> 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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