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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-549) Asynchronous application submission
Date Fri, 19 Apr 2013 22:45:17 GMT

    [ https://issues.apache.org/jira/browse/YARN-549?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13636972#comment-13636972
] 

Zhijie Shen commented on YARN-549:
----------------------------------

{quote}
Does it make sense to print some log every so often to let users now, if the application is
stuck in new/saving state for a long time? Say every 10-15 times of the polling-interval ?
{quote}
YarnClient.getApplicationReport has opened the door for querying application states.If the
client is blocked by YarnClient.submitApplication for a long time, I think the client can
use YarnClient.getApplicationReport to query the state. Then, it can decide whether it want
to terminate the submission or something. IMHO, it's the client's business.
                
> 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
>
>
> 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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