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https://issues.apache.org/jira/browse/YUNIKORN-2980?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Peter Bacsko updated YUNIKORN-2980:
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Target Version: 1.7.0, 1.6.1 (was: 1.7.0)
> DaemonSet preemption: don't flood the logs if victim selection fails
> --------------------------------------------------------------------
>
> Key: YUNIKORN-2980
> URL: https://issues.apache.org/jira/browse/YUNIKORN-2980
> Project: Apache YuniKorn
> Issue Type: Sub-task
> Components: core - scheduler
> Reporter: Peter Bacsko
> Assignee: Peter Bacsko
> Priority: Major
>
> If we can't find a proper victim for a DaemonSet pod, we constaly print the
> following to the console in every scheduling cycle:
> {noformat}
> log.Log(log.SchedApplication).Info("Triggering preemption process for daemon
> set ask",
> zap.String("ds allocation key", ask.GetAllocationKey()))
> [...]
> log.Log(log.SchedApplication).Warn("Problem in finding the victims for
> preempting resources to meet required ask requirements",
> zap.String("ds allocation key", ask.GetAllocationKey()),
> zap.String("node id", reserve.nodeID))
> {noformat}
> Since we attempt to schedule in every 100ms, this is logged at least 10 times
> in every second.
> Suggestion: do the preemption silently and only log if it has succeeded, just
> like regular preemption. Otherwise, use {{Allocation.LogAllocationFailure()}}
> which we already do for a variety of things.
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