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From "Amar Kamat (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-892) command line tool to list all tasktrackers and their status
Date Fri, 11 Sep 2009 06:04:57 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12754014#action_12754014
] 

Amar Kamat commented on MAPREDUCE-892:
--------------------------------------

Few comments :
1) There is no need for a separate class ClusterStatusFull. We can use ClusterStatus class
itself. I think its ok to add more info to the *detailed* mode of cluster status.
2) Instead of '-list-trackers-info' you can use '-list-trackers --detailed' or something like
that. Something like
'./bin/hadoop job -list-tracker [--summary|--detailed]'

> 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
>    Affects Versions: 0.21.0
>            Reporter: dhruba borthakur
>            Assignee: Dmytro Molkov
>         Attachments: MAPREDUCE-892.patch, MAPREDUCE-892.patch, MAPREDUCE-892.patch.1
>
>
> 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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