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From "Jakob Homan (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-5258) Provide dfsadmin functionality to report on namenode's view of network topology
Date Tue, 10 Mar 2009 22:29:50 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-5258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jakob Homan updated HADOOP-5258:
--------------------------------

    Attachment: HADOOP-5258.patch

Updating patch.  Old one caused a Javadoc warning.  That line has been removed.

> 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
>          Components: dfs
>            Reporter: Jakob Homan
>            Assignee: Jakob Homan
>         Attachments: HADOOP-5258.patch, 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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