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Spike
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Resolution: Done
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Major
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None
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None
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None
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None
In the "request-serving" deployment model for HCPs, the request-serving nodes are being memory starved by the k8s API server. This has an observed impact on limiting the number of nodes a guest HCP cluster can provision, especially during upgrade events.
This is a spike card to investing setting the API Priority and Fairness [1] configuration, and exactly what configuration would be necessary to set.
[1] https://kubernetes.io/docs/concepts/cluster-administration/flow-control/
- is related to
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HOSTEDCP-1850 Add support for configuring maximum requests in flight
- In Progress
- links to
- mentioned on