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From "Wang Xu (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1121) Allow HDFS client to measure distribution of blocks across devices for a specific DataNode
Date Fri, 11 Mar 2011 09:25:59 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13005565#comment-13005565
] 

Wang Xu commented on HDFS-1121:
-------------------------------

Hi folks,

As discussed in HDFS-1312, we need a jsp on datanode that shows local filesystem usage information.
Beyond that, do we need a centralized collection mechanism, with which we can got alerts for
unbalanced datanodes?

> Allow HDFS client to measure distribution of blocks across devices for a specific DataNode
> ------------------------------------------------------------------------------------------
>
>                 Key: HDFS-1121
>                 URL: https://issues.apache.org/jira/browse/HDFS-1121
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs client
>            Reporter: Jeff Hammerbacher
>
> As discussed on the mailing list, it would be useful if the DfsClient could measure the
distribution of blocks across devices for an individual DataNode.

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