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Six months in. $800k spent. The project isn''t working. Sunk cost bias says keep going. The business case for stopping is clear. Making the engineering argument to kill a project — and knowing when you''re right — is one of the hardest senior skills.
The senior engineer proposes Kafka for the notification system. You have 500 users. The junior engineer proposes a direct function call. The senior engineer is technically correct and strategically wrong. Knowing when good architecture is overkill is the skill that separates senior from staff.
Deploy inference workloads on Kubernetes with vLLM, GPU scheduling, autoscaling, and spot instances for cost-effective large-language model serving.
Implement zero-trust networking with Kubernetes NetworkPolicies. Learn default-deny patterns, label-based pod selection, DNS egress, multi-namespace policies, and testing with netshoot.
Master Kubernetes resource requests and limits to prevent OOMKills, CPU throttling, and cascading failures. Learn QoS classes, LimitRange, VPA, HPA, and the complete right-sizing workflow for production workloads.