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https://issues.apache.org/jira/browse/HADOOP-9562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13662669#comment-13662669
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Konstantin Boudnik commented on HADOOP-9562:
--------------------------------------------
Trevor, for a patch to go trough automatic testing system it needs to be
generated against trunk.
Also, a quick look at the patch shows that you have some irrelevant changes in
it:
- .../hadoop-common/src/main/docs/releasenotes.html seems to be included
because it has some CRLF issues in branch-2 as the result of autogeneration or
something.
- the licenses _have_ to be ASL 2.0 and they have to present in all new files
- class {{NodesInfo}} is empty. Is this expected?
Please address these issue in the second version. BTW, you can keep the same
name of the patch file and JIRA will automatically detect new version.
> 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
> Reporter: Trevor Lorimer
> Priority: Minor
> Attachments: 0001-HAD-162-Final-revision-refactor.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 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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