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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1390) Provide a way to capture source of an application to be queried through REST or Java Client APIs
Date Mon, 25 Nov 2013 23:10:37 GMT

    [ https://issues.apache.org/jira/browse/YARN-1390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13832041#comment-13832041
] 

Karthik Kambatla commented on YARN-1390:
----------------------------------------

An alternative way to look at this is "application-groups". An appGroup can have multiple
applications in it, and users might want to know details about the applications within this
group. Users might want to run all apps corresponding to a single "project" under one group.
The field itself could be plain text to be matched using {{String#equals}} as opposed to pattern-matching.

[~hitesh], does an appGroup sound reasonable to you? It is the exact same thing, but a group
is more general compared to lineage information, and can be used for other purposes. If need
be, we can consider adding multiple appGroups to an application in the future.

> Provide a way to capture source of an application to be queried through REST or Java
Client APIs
> ------------------------------------------------------------------------------------------------
>
>                 Key: YARN-1390
>                 URL: https://issues.apache.org/jira/browse/YARN-1390
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: api
>    Affects Versions: 2.2.0
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>
> In addition to other fields like application-type (added in YARN-563), it is useful to
have an applicationSource field to track the source of an application. The application source
can be useful in (1) fetching only those applications a user is interested in, (2) potentially
adding source-specific optimizations in the future. 
> Examples of sources are: User-defined project names, Pig, Hive, Oozie, Sqoop etc.



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