Wilfred Spiegelenburg created YUNIKORN-1559:
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Summary: rethink QOS BestEffort pod scheduling
Key: YUNIKORN-1559
URL: https://issues.apache.org/jira/browse/YUNIKORN-1559
Project: Apache YuniKorn
Issue Type: Improvement
Components: core - scheduler, shim - kubernetes
Reporter: Wilfred Spiegelenburg
The best effort pods on K8s do not request resources. The default scheduler
will just dump them on a node and hope for the best.
In YuniKorn we need resources to schedule a pod. We reject a pod without a
request set. As a default we assign 1M memory to the pod to make sure it gets
scheduled. 1 byte would be better, need to rethink how we do this.
This also affects other BestEffort pod resource calculations
* init containers
* pod overhead
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