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https://issues.apache.org/jira/browse/MAPREDUCE-892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12754350#action_12754350
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Dmytro Molkov commented on MAPREDUCE-892:
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1) I will extend the ClusterStatus itself with the new Task Trackers information
2) There is currently no '-list-trackers' command, the two options that are
there are -list-active-trackers and -list-blacklisted-trackers. So I can simply
introduce the -list-trackers (because the idea of this tool is to display the
full cluster information)
I am also planning on introducing some more information related to the jobs
running on the cluster, so that the load can be better analyzed using this
object.
> 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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