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From "Xuan Gong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1764) Handle RM fail overs after the submitApplication call.
Date Mon, 10 Mar 2014 03:49:43 GMT

    [ https://issues.apache.org/jira/browse/YARN-1764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13925427#comment-13925427

Xuan Gong commented on YARN-1764:

bq. Can you add a log in YarnClientImpl when we retry the submission?


bq. Can you improvement the documentation of submitApp() API in ApplicationClientProtocol
about the clients needing to retry when the specified exception happens?


bq. Also add the exception to the documentation to the base protocol.


bq. Document YarnClient's submit API that we automatically retry when this issue happens.


bq. All the new files added in the patch have some formatting issues.


bq. In both the test-cases, after the fail-over, we assert for the states that are not expected
(assertFalse). Can we explicitly test for the cases that we expect (assertTrue) ?


bq. I think we should also mark getApplicationReport() to be idempotent in this patch itself
as RM can fail-over after submitApplication() returned but during a getApplicationReport().
We will need to add some tests for this too.


> Handle RM fail overs after the submitApplication call.
> ------------------------------------------------------
>                 Key: YARN-1764
>                 URL: https://issues.apache.org/jira/browse/YARN-1764
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Xuan Gong
>            Assignee: Xuan Gong
>         Attachments: YARN-1764.1.patch, YARN-1764.2.patch

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