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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5307) Federation Application State Store internal APIs
Date Wed, 03 Aug 2016 22:06:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-5307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15406701#comment-15406701
] 

Wangda Tan commented on YARN-5307:
----------------------------------

Hi [~subru],

Few comments:

- For the responsibility of FederationApplicationStateStore, what else state you plan to add
for applications? What I can see is it only manages home-sub-cluster of applications, renaming
it to FederationApplicationHomeSubClusterStore if no more items are planned?
- For ApplicationHomeSubClusterMap and all related response / request / method name, remove
"map" from these names? I was trying to find map-like data structure in definition..
- Cannot figure out who will use FederationStateStore and how it will be used, should we move
it to more related JIRA?

> Federation Application State Store internal APIs
> ------------------------------------------------
>
>                 Key: YARN-5307
>                 URL: https://issues.apache.org/jira/browse/YARN-5307
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, resourcemanager
>            Reporter: Subru Krishnan
>            Assignee: Subru Krishnan
>         Attachments: YARN-5307-YARN-2915-v1.patch, YARN-5307-YARN-2915-v2.patch, YARN-5307-YARN-2915-v3.patch,
YARN-5307-YARN-2915-v4.patch
>
>
> The Federation Application State encapsulates the mapping between an application and
it's _home_ sub-cluster, i.e. the sub-cluster to which it is submitted to by the Router. Please
refer to the design doc in parent JIRA for further details.



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