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From "Abdullah Yousufi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7088) Fix application start time and add submit time to UIs
Date Tue, 29 Aug 2017 22:35:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7088?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16146261#comment-16146261
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Abdullah Yousufi commented on YARN-7088:
----------------------------------------

Thanks [~sunilg]. Regarding your first point, this is intentional as an initial value for
launchTime because it is part of the ApplicationFinishData, as the field will have been set
by the time the application has finished.

For the pendingTime name, isn't the difference between app.getStartTime() and app.getLaunchTime()
essentially the same as the difference between when the app is submitted and launched? From
what I've seen, the application is registered in the RM very soon after it is submitted. Therefore,
pendingTime is describing how long the application was pending before it actually began running,
which makes sense in that context. Furthermore, the placement between the start and launch
time in both UI's makes it clear what delta it is measuring. Let me know what you think and
I'd be curious if anyone else has any thoughts on this.

> Fix application start time and add submit time to UIs
> -----------------------------------------------------
>
>                 Key: YARN-7088
>                 URL: https://issues.apache.org/jira/browse/YARN-7088
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 3.0.0-alpha4
>            Reporter: Abdullah Yousufi
>            Assignee: Abdullah Yousufi
>         Attachments: YARN-7088.001.patch, YARN-7088.002.patch, YARN-7088.003.patch, YARN-7088.004.patch
>
>
> Currently, the start time in the old and new UI actually shows the app submission time.
There should actually be two different fields; one for the app's submission and one for its
start, as well as the elapsed pending time between the two.



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