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https://issues.apache.org/jira/browse/HDFS-5382?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13798238#comment-13798238
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Haohui Mai commented on HDFS-5382:
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You won't be able to browse the filesystem whenever webhdfs is turned off.

When security is on, the administrator needs a principal to access the web UI. 
The patch uses the same principal to browse the filesystem via webHDFS.


> Implement the UI of browsing filesystems in HTML 5 page
> -------------------------------------------------------
>
>                 Key: HDFS-5382
>                 URL: https://issues.apache.org/jira/browse/HDFS-5382
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Haohui Mai
>            Assignee: Haohui Mai
>         Attachments: HDFS-5382.000.patch
>
>
> The UI of browsing filesystems can be implemented as an HTML 5 application. 
> The UI can pull the data from WebHDFS.



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