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From "Boris Shkolnik (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-4029) NameNode should report status and performance for each replica of image and log
Date Thu, 27 Nov 2008 00:48:44 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-4029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Boris Shkolnik updated HADOOP-4029:
-----------------------------------

    Affects Version/s:     (was: 0.18.0)
                       0.20.0
               Status: Patch Available  (was: Open)

> NameNode should report status and performance for each replica of image and log
> -------------------------------------------------------------------------------
>
>                 Key: HADOOP-4029
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4029
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: dfs
>    Affects Versions: 0.20.0
>            Reporter: Robert Chansler
>            Assignee: Boris Shkolnik
>         Attachments: HADOOP-4029.patch
>
>
> The administrator should have immediate access to the status of each replica. In addition
to reporting whether the replica is active or not, measured performance should be reported
so as to indicate whether a replica might impact cluster performance or might be in danger
of failing.
> We're probably not close to doing automated replica fail over, but we can give the administrator
some clues.

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