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Date: Sat, 1 Mar 2014 01:15:19 +0000 (UTC)
From: "Zhijie Shen (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
Message-ID: <JIRA.12696999.1393275547953.128992.1393636519441@arcas>
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Subject: [jira] [Commented] (YARN-1756) capture the time when newApplication
 is called in RM
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    [ https://issues.apache.org/jira/browse/YARN-1756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13916677#comment-13916677 ] 

Zhijie Shen commented on YARN-1756:
-----------------------------------

What does "newApplication" meaning? Constructing the RMAppImpl instance? AFAIK, submitTime is captured in ClientRMService, and before constructing the instance, there's just a few step of sanity check. Therefore, the "newTime" will be quite close to submitTime.

> capture the time when newApplication is called in RM
> ----------------------------------------------------
>
>                 Key: YARN-1756
>                 URL: https://issues.apache.org/jira/browse/YARN-1756
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Ming Ma
>
> The application submission time ( when submitApplication is called) is collected by RM and application history server. But it doesn't capture when the client calls newApplication method. The delta between newApplication and submitApplication could be useful if the client submits large jar files. This metric will be useful for https://issues.apache.org/jira/browse/YARN-1492.


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