resource management

Kubernetes v1.37: Pod-Level Resource Managers graduated to Betakubernetes.io

Kubernetes v1.37 adds Pod‑Level Resource Managers to beta (off by default). The feature lets Kubelet’s Topology, CPU, and Memory managers consume pod‑level `.spec.resources` to reserve exclusive NUMA‑aligned CPUs/memory for primary containers while sidecars share a pod‑isolated pool. A new PodResources gRPC API now reports `cpu_ids` and `memory` per pod. Enable via the `PodLevelResourceManagers`…