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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5004) Add additional JMX bean for NameNode status data
Date Thu, 15 Aug 2013 01:18:48 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5004?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13740532#comment-13740532

Konstantin Shvachko commented on HDFS-5004:

Cos, you need to move the record about this jira in CHANGES.txt on trunk under 2.3.0 section.
It is inconsistent now.
> Add additional JMX bean for NameNode status data
> ------------------------------------------------
>                 Key: HDFS-5004
>                 URL: https://issues.apache.org/jira/browse/HDFS-5004
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>    Affects Versions: 3.0.0, 2.1.0-beta, 2.0.4-alpha
>            Reporter: Trevor Lorimer
>            Assignee: Trevor Lorimer
>             Fix For: 3.0.0, 2.3.0
>         Attachments: HDFS-5004.diff, HDFS-5004.diff, HDFS-5004.diff
> Currently the JMX beans 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,
that can only be accessed from within NameNode.
> For this reason a new JMX bean is required (NameNodeStatusMXBean) which will expose the
following attributes in NameNode:
> Role
> State
> HostAndPort
> also a list of the corruptedFiles should be exposed by NameNodeMXBean.

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