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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:
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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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