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https://issues.apache.org/jira/browse/TEZ-3073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15118980#comment-15118980
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Cyrille Chépélov commented on TEZ-3073:
---------------------------------------

Thanks [~Sreenath]. Yes, RM REST APIs got to RMWebUrl, but webproxy calls go to 
the "new" RMProxyUrl. All three services must have the TEZ-UI origin 
greenlighted in their CORS setup (which for RM requires having [YARN-4009] in).

For now, we're fine using tez-ui-0.8.2 as patched here. Looking forwards to 
trying out Tez UI 2 in time, but no hurry for us. I guess it'll be more 
efficient if you take care of this when it makes sense to do so. Thanks a lot!

> Support for separate WebProxy
> -----------------------------
>
>                 Key: TEZ-3073
>                 URL: https://issues.apache.org/jira/browse/TEZ-3073
>             Project: Apache Tez
>          Issue Type: Improvement
>          Components: UI
>    Affects Versions: 0.6.2, 0.8.2
>         Environment: YARN 2.6.0
>            Reporter: Cyrille Chépélov
>            Priority: Minor
>              Labels: patch
>         Attachments: tez-ui_configs.js, tez-ui_main.js.diff
>
>
> When running the YARN WebProxy separate from the YARN ResourceManager (as 
> suggested by the YARN Documentation on security grounds), some REST calls 
> should no longer be made to RMWebUrl but to the proxy instead.
> Attached here is a Proof of Concept patch which works against tez-ui-0.8.2, 
> which would need to be refreshed with TEZ-UI 2



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