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From "Haohui Mai (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-9562) Create REST interface for HDFS health data
Date Mon, 23 Nov 2015 02:19:11 GMT

     [ 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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