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https://issues.apache.org/jira/browse/HADOOP-9562?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Trevor Lorimer updated HADOOP-9562:
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Description:
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.
was:
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.
> 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: 3.0.0, 2.0.4-alpha
> Reporter: Trevor Lorimer
> Priority: Minor
> Attachments: HADOOP-9562.diff
>
>
> 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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