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Kube Startup CPU Boost #492

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kimtore opened this issue Jan 4, 2024 · 1 comment
Open

Kube Startup CPU Boost #492

kimtore opened this issue Jan 4, 2024 · 1 comment
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k8s-1.30 Kubernetes 1.30

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@kimtore
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kimtore commented Jan 4, 2024

Operator som gir podder mer CPU helt i starten mens de starter opp.
Kan gjøre det enklere for store monolitiske Java-applikasjoner å kjøre uten å bli drept under oppstart pga trege health checks og liknende.

Fra @Muni10

https://github.com/google/kube-startup-cpu-boost

Krever at man skrur på alpha feature InPlacePodVerticalScaling, med minimum Kubernetes 1.27:
https://github.com/kubernetes/enhancements/blob/master/keps/sig-node/1287-in-place-update-pod-resources/kep.yaml

I skrivende stund er det ventet at denne skal inn i beta fra Kubernetes 1.30. Dermed får vi ikke skrudd denne funksjonen på i GCP-klusterne med det første. Vi kan imidlertid teste det ut på on-prem inntil videre.

@kimtore
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kimtore commented Jan 9, 2024

Her har @Starefossen mekket chart og tilhørende Fasit feature.
Denne kan rulles ut for testing ved anledning.
https://fasit.nais.io/tenants/nav/dev-fss/feature/kube-startup-cpu-boost

@kimtore kimtore added the k8s-1.30 Kubernetes 1.30 label Jul 2, 2024
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