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From "Naganarasimha G R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5256) Add REST endpoint to support detailed NodeLabel Informations
Date Wed, 12 Oct 2016 16:35:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-5256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15569178#comment-15569178

Naganarasimha G R commented on YARN-5256:

Thanks [~wangda], was expecting this hence waited :)
Yes i was of the same opinion when [~sunilg] came with the first patch. but later during discussion
with him felt that once we come up with Constraints (YARN-3409) it might be required to treat
them differently and separate API's to retrieve the constraints and the partition label info
separately. So based on how the constraint label comes up we need to shape the API. As per
the offline discussion with [~sunilg] he informed me that he requires a solution for this
jira to meet the Newe UI dead lines so i am ok with going with the other approach.
Few options in this approach
* would be good to have both the {{labelName}} and {{associated nodes info}}  as params instead
of path variable (similar to current patch to fetch information for set of labels)
* Would be need to return the used resource info ? we need to fetch from scheduler ? i presume
not required every time right? any plans in UI ?


> Add REST endpoint to support detailed NodeLabel Informations
> ------------------------------------------------------------
>                 Key: YARN-5256
>                 URL: https://issues.apache.org/jira/browse/YARN-5256
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: webapp
>            Reporter: Sunil G
>            Assignee: Sunil G
>         Attachments: YARN-5256-YARN-3368.1.patch, YARN-5256-YARN-3368.2.patch, YARN-5256.0001.patch,
YARN-5256.0002.patch, YARN-5256.0003.patch
> Add a new REST endpoint to fetch few more detailed information about node labels such
as resource, list of nodes etc.

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