https://www.pistack.xyz/tags/preemption/ Recent content in Preemption on Pi Stack Hugo en-us Fri, 15 May 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-05-15-kubernetes-priority-preemption-scheduling-best-practices-guide/ Fri, 15 May 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-05-15-kubernetes-priority-preemption-scheduling-best-practices-guide/ <p>In a shared Kubernetes cluster, not all workloads are equally important. Production databases should never be evicted to make room for batch jobs. Critical API gateways deserve guaranteed resources over experimental workloads. Kubernetes PriorityClasses and preemption provide the mechanisms to enforce these priorities — but configuring them correctly requires understanding how the scheduler, eviction logic, and resource quotas interact.</p>