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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5258) Provide dfsadmin functionality to report on namenode's view of network topology
Date Mon, 09 Mar 2009 21:01:50 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12680277#action_12680277
] 

Konstantin Shvachko commented on HADOOP-5258:
---------------------------------------------

+1

> Provide dfsadmin functionality to report on namenode's view of network topology
> -------------------------------------------------------------------------------
>
>                 Key: HADOOP-5258
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5258
>             Project: Hadoop Core
>          Issue Type: New Feature
>            Reporter: Jakob Homan
>            Assignee: Jakob Homan
>         Attachments: HADOOP-5258.patch, HADOOP-5258.patch, HADOOP-5258.patch
>
>
> As discussed in HADOOP-4954, it would be useful to be able to query the namenode to its
current view on the network topology of racks and datanodes.  This would allow ops to compare
what the namenode sees with what they expect it to see.  

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