Wilfred Spiegelenburg created YUNIKORN-498:
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Summary: core should know if cluster can auto scale or not
Key: YUNIKORN-498
URL: https://issues.apache.org/jira/browse/YUNIKORN-498
Project: Apache YuniKorn
Issue Type: Improvement
Components: core - common
Reporter: Wilfred Spiegelenburg
For headroom calculation and max resources on a queue the core currently
assumes that the cluster is always able to upscale when needed.
However in the case that we run in an on premise cluster or in another limited
setup we might not be able to upscale.
When we check the headroom we ignore the root queue or partition size as we can
autoscale. In the case that there is a gang we check the max queue size but
should not include the root (partition) size unless the cluster cannot
autoscale.
Since we have no idea if we can autoscale we could make the wrong decision.
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