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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1389) ApplicationClientProtocol and ApplicationHistoryProtocol should expose analog APIs
Date Sat, 01 Mar 2014 00:18:19 GMT

    [ https://issues.apache.org/jira/browse/YARN-1389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13916618#comment-13916618
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Zhijie Shen commented on YARN-1389:
-----------------------------------

Some high level comments for the initial patch:

1. ApplicationClientProtocol and ApplicationHistoryProtocol are able to share a base interface
now?

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

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

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

5. Like RMApp, make createApplicationAttemptReport/ContainerReport as part of RMAppAttempt/RMContainer.

> 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
>
>
> 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
users.



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