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From "Charles Wimmer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2203) Add additional fields to the JMX output on NameNode
Date Tue, 26 Jul 2011 19:15:09 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13071293#comment-13071293
] 

Charles Wimmer commented on HDFS-2203:
--------------------------------------

I meant per DataNode blocks and configured capacity:

LiveNodes: "{"hostA":{"usedSpace":8264583897088,"lastContact":0},"hostB":{"usedSpace":7914785189533,"lastContact":0},"hostC":{"usedSpace":4715591979008,"lastContact":2},"hostD":{"usedSpace":6168919373255,"lastContact":1},"hostE":{"usedSpace":8315075813376,"lastContact":1},"hostF":
<snip>
"hostY":{"usedSpace":8272411804419,"lastContact":1},"hostZ":{"usedSpace":8359994176231,"lastContact":0}}",

I would like the same data that shows up on the live nodes page:

http://namenode:50070/dfsnodelist.jsp?whatNodes=LIVE

> Add additional fields to the JMX output on NameNode
> ---------------------------------------------------
>
>                 Key: HDFS-2203
>                 URL: https://issues.apache.org/jira/browse/HDFS-2203
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: name-node
>    Affects Versions: 0.20.204.0, 0.20.205.0, 0.23.0
>            Reporter: Charles Wimmer
>            Priority: Minor
>              Labels: newbie
>
> When accessing the JMX data via http (http://namenode:50070/jmx) there are a couple of
useful fields missing from this bean:
> "name" : "Hadoop:service=NameNode,name=NameNodeInfo",
> "modelerType" : "org.apache.hadoop.hdfs.server.namenode.FSNamesystem",
> Please add the number of blocks and the configured capacity. 

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