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https://issues.apache.org/jira/browse/YARN-5203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15387577#comment-15387577
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Sunil G commented on YARN-5203:
-------------------------------

[~vvasudev], we added app priorities in 2.8. But what we are seeing here is 
container priorities and its present from initial 2.x releases itself.

Thanks [~subru] and [~ellenfkh]. I understood the real issue here, and there is 
no disagreement that we need to move to a cleaner jaxb object as suggested. For 
new yarn-ui, we can use new object and its fine from my end. My concern was 
that whether we may break some clients in coming release who were using old 
api. thoughts?

> Return ResourceRequest JAXB object in ResourceManager Cluster Applications 
> REST API
> -----------------------------------------------------------------------------------
>
>                 Key: YARN-5203
>                 URL: https://issues.apache.org/jira/browse/YARN-5203
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Subru Krishnan
>            Assignee: Ellen Hui
>         Attachments: YARN-5203.v0.patch, YARN-5203.v1.patch
>
>
> The ResourceManager Cluster Applications REST API returns {{ResourceRequest}} 
> as String rather than a JAXB object. This prevents downstream tools like 
> Federation Router (YARN-3659) that depend on the REST API to unmarshall the 
> {{AppInfo}}. This JIRA proposes updating {{AppInfo}} to return a JAXB version 
> of the {{ResourceRequest}}.



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