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https://issues.apache.org/jira/browse/YUNIKORN-2915?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated YUNIKORN-2915:
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Labels: pull-request-available (was: )
> Scheduling latency metric should update even if no scheduling occurs
> --------------------------------------------------------------------
>
> Key: YUNIKORN-2915
> URL: https://issues.apache.org/jira/browse/YUNIKORN-2915
> Project: Apache YuniKorn
> Issue Type: Improvement
> Components: core - scheduler
> Reporter: Craig Condit
> Assignee: Craig Condit
> Priority: Major
> Labels: pull-request-available
>
> The scheduler metric scheduling_latency_milliseconds is currently only
> updated if an allocation actually occurs. This is not particularly useful, as
> latency could be quite long but in the case where no scheduling was possible
> after traversing all queues, no reporting is done, so the visible latency is
> 0. This makes the metric difficult to use for analysis, as in a busy cluster,
> scheduling can be very slow, but not show up on the histogram at all.
> We should move the reporting of scheduling latency outside the check for an
> allocation and report even scheduling runs with no result.
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