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metrics-server activation triggered simultaneous HPA scale-ups, exhausting node request budgets despite sufficient physical RAM. ArgoCD application- controller (256Mi request) could not schedule on either node. - argocd controller: 256Mi → 128Mi request (unblocks scheduling immediately) - nowchess services: 128Mi → 96Mi request (prevents HPA cascade from filling nodes) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>