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

["Haohui Mai (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-9562?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Haohui Mai updated HADOOP-9562:
-------------------------------
    Resolution: Won't Fix
        Status: Resolved  (was: Patch Available)

Closing this jira as won't fix for now as the information is available through JMX already and can be obtained through a REST call. Please feel free to reopen if you don't agree.

> Create REST interface for HDFS health data
> ------------------------------------------
>
>                 Key: HADOOP-9562
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9562
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs
>    Affects Versions: 2.0.4-alpha, 3.0.0
>            Reporter: Trevor Lorimer
>            Priority: Minor
>              Labels: BB2015-05-TBR
>         Attachments: HADOOP-9562.diff, HADOOP-9562.patch
>
>
> 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 the NameNode 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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