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From "Trevor Lorimer (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4860) Add additional attributes to JMX beans
Date Thu, 30 May 2013 18:07:24 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4860?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Trevor Lorimer updated HDFS-4860:
---------------------------------

    Attachment: 0001-HDFS-4860.patch

Built and tested against trunk 
                
> Add additional attributes to JMX beans
> --------------------------------------
>
>                 Key: HDFS-4860
>                 URL: https://issues.apache.org/jira/browse/HDFS-4860
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>    Affects Versions: 0.20.204.1, 3.0.0, 2.0.5-beta, 2.0.4-alpha
>            Reporter: Trevor Lorimer
>         Attachments: 0001-HDFS-4860.patch
>
>
> Currently the JMX bean returns much of the data contained on the HDFS Health webpage
(dfsHealth.html). However there are several other attributes that are required to be added.
> I intend to add the following items to the appropriate bean in parenthesis :
> Started time (NameNodeInfo),
> Compiled info (NameNodeInfo),
> Jvm MaxHeap, MaxNonHeap (JvmMetrics)
> Node Usage stats (i.e. Min, Median, Max, stdev) (NameNodeInfo),
> Count of decommissioned Live and Dead nodes (FSNamesystemState),
> Journal Status (NodeNameInfo)

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