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  1. OpenShift Hosted Control Plane
  2. HOSTEDCP-1895

[release-4.16] Add support for configuring maximum requests in flight

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    • OCPSTRAT-1251 - HCP: Guest clusters should support up to 500 worker nodes
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      User Story:

      As a service provider, I want to be able to:

      • Configure priority and fairness settings per HostedCluster size and force these settings to be applied on the resulting hosted cluster.

      so that I can achieve

      • Prevent user of hosted cluster from bringing down the HostedCluster kube apiserver with their workload.

      Acceptance Criteria:

      Description of criteria:

      • HostedCluster priority and fairness settings should be configurable per cluster size in the ClusterSizingConfiguration CR
      • Any changes in priority and fairness inside the HostedCluster should be prevented and overridden by whatever is configured on the provider side.
      • With the proper settings, heavy use of the API from user workloads should not result in the KAS pod getting OOMKilled due to lack of resources.

      This requires/does not require a design proposal.
      This requires/does not require a feature gate.

              cewong@redhat.com Cesar Wong
              cewong@redhat.com Cesar Wong
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                Created:
                Updated: