Why Did My K8s Node Crash After a CPU Upgrade? Uncovering Static CPU Manager Policies

This article explains how upgrading a Kubernetes node's CPU while using the static CPU manager policy can cause kubelet startup failures, details the underlying CPU manager architecture and topology handling, and provides a simple two‑step recovery method.

CPU ManagerCPU topologyKubernetes

0 likes · 15 min read

Why Did My K8s Node Crash After a CPU Upgrade? Uncovering Static CPU Manager Policies

HomeTech

Jan 13, 2022 · Cloud Native

AutoKH: A Mixed‑Workload Resource Management Solution on Kubernetes and Hadoop

AutoKH is a cloud‑native mixed‑workload framework that integrates Kubernetes and Hadoop to dynamically schedule online and offline tasks, improve CPU and memory utilization, enforce priority classes, and ensure service stability through operators, CronHPA, and resource‑control components.

CPU ManagerHadoopKubernetes

0 likes · 19 min read

AutoKH: A Mixed‑Workload Resource Management Solution on Kubernetes and Hadoop

Ops Development Stories

Jun 1, 2021 · Cloud Native

Why Do Readiness Probe Failures Show “OCI runtime exec failed: EOF” in Kubernetes?

A Kubernetes pod reported readiness probe warnings with an OCI runtime exec failure, which was traced through kubelet, Docker, dockershim, containerd, and runc, ultimately caused by a race condition with cpu‑manager updating the container state file, and resolved by disabling cpu‑manager or upgrading runc.

CPU ManagerKubernetesOCI runtime

0 likes · 14 min read

Why Do Readiness Probe Failures Show “OCI runtime exec failed: EOF” in Kubernetes?