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From "Mayank Bansal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1389) ApplicationClientProtocol and ApplicationHistoryProtocol should expose analog APIs
Date Tue, 04 Mar 2014 09:12:25 GMT

    [ https://issues.apache.org/jira/browse/YARN-1389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13919170#comment-13919170

Mayank Bansal commented on YARN-1389:

Thanks [~zjshen] for the review

bq. 1. ApplicationClientProtocol and ApplicationHistoryProtocol are able to share a base interface
I think we decided we will keep the interfaces seprate.

bq. 2. Javadoc in ApplicationHistoryProtocol says the data is obtained from AHS, which is
not correct.

bq. 3. YarnClientImpl misses the implementation for getting attempts/container/containers

bq. 4. Users are not able to get completed application list via YarnClient

bq. 5. Like RMApp, make createApplicationAttemptReport/ContainerReport as part of RMAppAttempt/RMContainer.
These are just utility functions, do you think they are needed in RMAPPATtempt and RMContainer?

Updating the latest patch.


> ApplicationClientProtocol and ApplicationHistoryProtocol should expose analog APIs
> ----------------------------------------------------------------------------------
>                 Key: YARN-1389
>                 URL: https://issues.apache.org/jira/browse/YARN-1389
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Mayank Bansal
>            Assignee: Mayank Bansal
>         Attachments: YARN-1389-1.patch, YARN-1389-2.patch
> As we plan to have the APIs in ApplicationHistoryProtocol to expose the reports of *finished*
application attempts and containers, we should do the same for ApplicationClientProtocol,
which will return the reports of *running* attempts and containers.
> Later on, we can improve YarnClient to direct the query of running instance to ApplicationClientProtocol,
while that of finished instance to ApplicationHistoryProtocol, making it transparent to the

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