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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-549) Asynchronous application submission
Date Mon, 22 Apr 2013 19:07:17 GMT

    [ https://issues.apache.org/jira/browse/YARN-549?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13638327#comment-13638327
] 

Bikas Saha commented on YARN-549:
---------------------------------

The sleep/blocking is already happening inside yarnclietimpl code. Why sleep outside again?
By calling yarnclient.submit() inline in the test code the test code will block until yarnclient.submit()
is complete.
You can try writing the alternate code. Its not a lot of code and will help clarify if the
threading is buying us anything extra.
                
> Asynchronous application submission
> -----------------------------------
>
>                 Key: YARN-549
>                 URL: https://issues.apache.org/jira/browse/YARN-549
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Zhijie Shen
>            Assignee: Zhijie Shen
>         Attachments: Proposal of Asynchronous Application Submission_v1.pdf, YARN-549.1.patch,
YARN-549.2.patch
>
>
> Currently, when submitting an application, storeApplication will be called for recovery.
However, it is a blocking API, and is likely to block concurrent application submissions.
Therefore, it is good to make application submission asynchronous, and postpone storeApplication.

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