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https://issues.apache.org/jira/browse/YARN-9222?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Hung updated YARN-9222:
--------------------------------
Description: (was: Currently submitTime for rmApp is based on when app
is submitted to RMAppManager:
{noformat}
rmAppManager.submitApplication(submissionContext,
System.currentTimeMillis(), user);{noformat}
Then RMAppManager#createAndPopulateNewRMApp does some validation (queue
routing, app priority, etc), then the RMAppImpl object is created, at which
point the startTime is populated:
{noformat}
if (startTime <= 0) {
this.startTime = this.systemClock.getTime();
} else {
this.startTime = startTime;
}{noformat}
In general it seems there shouldn't be much difference between submitTime and
startTime. It makes more sense to change startTime to when the app actually
started. One possible solution is to (re)populate startTime when application
master registers with RM.
One issue may be compatibility, especially if there are large scheduling
delays.)
> Print launchTime in ApplicationSummary
> --------------------------------------
>
> Key: YARN-9222
> URL: https://issues.apache.org/jira/browse/YARN-9222
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Jonathan Hung
> Priority: Major
>
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