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Posted to common-dev@hadoop.apache.org by "Trevor Lorimer (JIRA)" <ji...@apache.org> on 2013/05/14 02:59:16 UTC

[jira] [Created] (HADOOP-9562) Create REST interface for HDFS health data

Trevor Lorimer created HADOOP-9562:
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             Summary: Create REST interface for HDFS health data
                 Key: HADOOP-9562
                 URL: https://issues.apache.org/jira/browse/HADOOP-9562
             Project: Hadoop Common
          Issue Type: New Feature
          Components: fs
    Affects Versions: 2.0.4-alpha
            Reporter: Trevor Lorimer
            Priority: Minor


The HDFS health screen (dfshealth.jsp) displays basic Version, Security and Health information concerning the NameNode, currently this information is accessible from classes in the org.apache.hadoop,hdfs.server.namenode package and cannot be accessed outside the NameNode. This becomes prevalent if the data is required to be displayed using a new user interface.

The proposal is to create a REST interface to expose all the information displayed on dfshealth.jsp using GET methods. Wrapper classes will be created to serve the data to the REST root resource within the hadoop-hdfs project.

This will enable the HDFS health screen information to be accessed remotely.

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