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https://issues.apache.org/jira/browse/YARN-7088?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16440998#comment-16440998
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Sunil G commented on YARN-7088:
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Ok. Thanks for pointing this.
I am still bit confused though. It may be because of the variable name called
launchTime. An app is started when we create RMApp. But per scheduler, an app
is started when an attempt is launched (post scheduling). Now I can see that
the launchTime what we discuss here is the same. Now multiple attempts could
happen, and one may succeed. Still launchTime will be first attempt's
launchTime. Are we looking for this time itself ? because for attempt, i can
understand what is attempt launch. Now for an app, what is the difference b/w
app start vs app launch. if we clearly looking for this, then its fine.
> Add application launch time to Resource Manager REST API
> --------------------------------------------------------
>
> 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: Kanwaljeet Sachdev
> Priority: Major
> Fix For: 3.2.0
>
> Attachments: YARN-7088.001.patch, YARN-7088.002.patch,
> YARN-7088.003.patch, YARN-7088.004.patch, YARN-7088.005.patch,
> YARN-7088.006.patch, YARN-7088.007.patch, YARN-7088.008.patch,
> YARN-7088.009.patch, YARN-7088.010.patch, YARN-7088.011.patch,
> YARN-7088.012.patch, YARN-7088.013.patch, YARN-7088.014.patch,
> YARN-7088.015.patch, YARN-7088.016.patch, YARN-7088.017.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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