Wilfred Spiegelenburg created YUNIKORN-1658:
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Summary: autoscaling is not triggered for requests with unlimited
resources
Key: YUNIKORN-1658
URL: https://issues.apache.org/jira/browse/YUNIKORN-1658
Project: Apache YuniKorn
Issue Type: Bug
Components: core - scheduler
Affects Versions: 1.2.0, 1.1.0, 1.0.0
Reporter: Wilfred Spiegelenburg
Assignee: Wilfred Spiegelenburg
Auto scaling is triggered by marking pods as unschedulable. The core triggers
the checks to mark pods unschedulable. The checks is based on the maximum
resource quotas for the queues and the requested resources.
The number of requests to mark outstanding can never exceed the resources
amount available within the quota for the queues.
If a request has unlimited resource types in a limited queue scale up will not
be triggered due to failures in the headroom calculation. The headroom
calculation for the resource type that is not limited will become negative.
This then breaks the "fit in" check as the unlimited resource is now defined as
a negative value.
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