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https://issues.apache.org/jira/browse/HDFS-5978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13950113#comment-13950113
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Akira AJISAKA commented on HDFS-5978:
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Thanks [~wheat9] for the review!
> Create a tool to take fsimage and expose read-only WebHDFS API
> --------------------------------------------------------------
>
> Key: HDFS-5978
> URL: https://issues.apache.org/jira/browse/HDFS-5978
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: tools
> Reporter: Akira AJISAKA
> Assignee: Akira AJISAKA
> Labels: newbie
> Fix For: 2.5.0
>
> Attachments: HDFS-5978.10.patch, HDFS-5978.2.patch,
> HDFS-5978.3.patch, HDFS-5978.4.patch, HDFS-5978.5.patch, HDFS-5978.6.patch,
> HDFS-5978.7.patch, HDFS-5978.8.patch, HDFS-5978.9.patch, HDFS-5978.patch
>
>
> Suggested in HDFS-5975.
> Add an option to OfflineImageViewer to launch HTTP server that takes fsimage
> and exposes the read-only version of WebHDFS API for OfflineImageViewer. The
> server only supports {{LISTSTATUS}} operation and other operations such as
> {{GETFILESTATUS}} will be added by other JIRAs.
> That way we can allow the operator to use the existing command-line tool, or
> even the web UI to debug the fsimage. It also allows the operator to
> interactively browsing the file system, figuring out what goes wrong.
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