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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-853) The HDFS webUI should show a metric that summarizes whether the cluster is balanced regarding disk space usage
Date Fri, 07 May 2010 05:39:51 GMT

    [ https://issues.apache.org/jira/browse/HDFS-853?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12865031#action_12865031
] 

dhruba borthakur commented on HDFS-853:
---------------------------------------

Konstantin: does this patch address your concern of whether it will handle heterogeneous clusters?

> The HDFS webUI should show a metric that summarizes whether the cluster is balanced regarding
disk space usage
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-853
>                 URL: https://issues.apache.org/jira/browse/HDFS-853
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: name-node
>            Reporter: dhruba borthakur
>            Assignee: Dmytro Molkov
>         Attachments: HDFS-853.patch, Screen shot 2010-04-27 at 5.52.05 PM.png
>
>
> It is desirable to know how much the datanodes vary form one another in terms of space
utilization to get a sense of how well a HDFS cluster is balanced.

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