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From "Aaron T. Myers (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2708) Stats for the # of blocks per DN
Date Sat, 14 Apr 2012 00:11:24 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2708?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aaron T. Myers updated HDFS-2708:
---------------------------------

    Attachment: HDFS-2708.patch

Here's a patch for trunk which adds a "numBlocks" field to each DN in the "LiveNodes" field
of the NameNodeInfo JMX interface.
                
> Stats for the # of blocks per DN
> --------------------------------
>
>                 Key: HDFS-2708
>                 URL: https://issues.apache.org/jira/browse/HDFS-2708
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: data-node, name-node
>    Affects Versions: 2.0.0
>            Reporter: Eli Collins
>            Assignee: Aaron T. Myers
>            Priority: Minor
>         Attachments: HDFS-2708.patch
>
>
> It would be useful for tools to be able to retrieve the total number of blocks on each
datanode.

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