Add a metric that tracks the number of preemptions issued by a ClusterQueue #2491
Comments
alculquicondor
added
the
kind/feature
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/assign @vladikkuzn |
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To clarify, this counter should increment for every workload that is preempted. |
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In this case we can just extend Lines 137 to 149 in 1d849aa and add an additional label for the preemption scope. |
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Yes, indeed, that would be useful. But this counter is from the point-of-view of the preemptee CQ. The request is from the point-of-view of the preemptor CQ. |
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... that is a bit different , so count the preemptees but group but group by the preemptor's CQ name. We could ad yet another metric label "preemptor_cluster_queue" but we can end up creating too many metric data-points. |
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Preemption is one of the few actions that involves two entities. |
What would you like to be added:
A metric that counts how many preemptions a ClusterQueue has issued, broken down by whether it was internal to the ClusterQueue, it was a reclamation, fair sharing or priority threshold.
This is somewhat the opposite direction of
evicted_workloads_total, but focused on Preemption.Why is this needed:
Improve observability.
Completion requirements:
This enhancement requires the following artifacts:
The artifacts should be linked in subsequent comments.
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