Kubelet - 1

2026 (4)

May (1)

k8s: Kubernetes v1.36: PSI Metrics for Kubernetes Graduates to GA

Kubernetes Official Blog

2026-05-12

Kubernetes v1.36 graduates PSI metrics to GA for observing CPU, memory, and I/O pressure at node, pod, and container levels. The update also improves metric handling by suppressing zero-valued PSI output when the underlying Linux node does not support PSI.

April (3)

k8s: Kubernetes v1.36: In-Place Vertical Scaling for Pod-Level Resources Graduates to Beta

Kubernetes Official Blog

2026-04-30

Kubernetes v1.36 graduates in-place vertical scaling for Pod-level resources to Beta. Running Pods can now have their aggregate .spec.resources updated, with Kubelet deciding per-container whether to apply cgroup changes in place or restart containers based on resizePolicy.

k8s: Kubernetes v1.36: Tiered Memory Protection with Memory QoS

Kubernetes Official Blog

2026-04-29

Kubernetes v1.36 updates the alpha Memory QoS feature to separate throttling from reservation, add tiered memory protection by Pod QoS class, expose kubelet metrics, and warn on kernels older than 5.9. With the new policy, Guaranteed Pods get memory.min, Burstable Pods get memory.low, and BestEffort Pods get no protection; throttling via memory.high still applies.

k8s: Kubernetes v1.36: Fine-Grained Kubelet API Authorization Graduates to GA

Kubernetes Official Blog

2026-04-24

Kubernetes v1.36 makes fine-grained kubelet API authorization GA. KubeletFineGrainedAuthz is now always enabled, allowing RBAC to target specific kubelet subresources like nodes/metrics and nodes/stats instead of the broad nodes/proxy permission.