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Posted to hdfs-dev@hadoop.apache.org by "Trevor Lorimer (JIRA)" <ji...@apache.org> on 2013/07/17 18:14:50 UTC

[jira] [Created] (HDFS-5004) Add additional JMX bean for NameNode status data

Trevor Lorimer created HDFS-5004:
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             Summary: 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
    Affects Versions: 2.0.4-alpha, 3.0.0, 2.1.0-beta
            Reporter: Trevor Lorimer
             Fix For: 3.0.0, 2.2.0


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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