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https://issues.apache.org/jira/browse/YARN-3539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14516393#comment-14516393
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Zhijie Shen commented on YARN-3539:
-----------------------------------

bq. What would it take to bring it up to date?

Yeah, the doc was written long time ago. We need to convert it to MD. Perhaps 
we want to consolidate both this and that patches.

I think the bigger problem is if we should/can state ATS v1 APIs are stable. If 
we do, do we force ATS v2 to be compatible with ATS v1 APIs?

> Compatibility doc to state that ATS v1 is a stable REST API
> -----------------------------------------------------------
>
>                 Key: YARN-3539
>                 URL: https://issues.apache.org/jira/browse/YARN-3539
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: documentation
>    Affects Versions: 2.7.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>         Attachments: HADOOP-11826-001.patch, HADOOP-11826-002.patch, 
> YARN-3539-003.patch
>
>
> The ATS v2 discussion and YARN-2423 have raised the question: "how stable are 
> the ATSv1 APIs"?
> The existing compatibility document actually states that the History Server 
> is [a stable REST 
> API|http://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-common/Compatibility.html#REST_APIs],
>  which effectively means that ATSv1 has already been declared as a stable API.
> Clarify this by patching the compatibility document appropriately



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