Kubernetes Scheduler Extenders: Custom Placement Logic

Learn how to write a Kubernetes scheduler extender webhook that restricts GPU pods to nodes with NVLink interconnects. This episode covers the extender contract, KubeSchedulerConfiguration registration, filter and prioritize endpoints, and the latency tradeoffs interviewers probe in senior SRE and platform engineering interviews. Full interview prep guides and scenario walkthroughs: DevOpsInterview.Cloud