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https://issues.apache.org/jira/browse/HDFS-5978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13932971#comment-13932971
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Akira AJISAKA commented on HDFS-5978:
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[~wheat9], thank you for your comment.
I updated the patch to reflect the comment, and added {{FILESTATUS}} operation.
bq. I'm also unclear why {{StringEncoder}} is required.
It is required because the type of the json content is {{String}}.
> 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
> Attachments: HDFS-5978.patch
>
>
> Suggested in HDFS-5975.
> Add an option to exposes the read-only version of WebHDFS API for
> OfflineImageViewer. You can imagine it looks very similar to jhat.
> 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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