https://cxhello.top/blog Hi there, I am Cuthbert, a software engineer. zh-cn caixiaohuichn@gmail.com (Cuthbert) caixiaohuichn@gmail.com (Cuthbert) Wed, 16 Sep 2026 00:00:00 GMT https://cxhello.top/blog/2026-09-16-cgpu-upgrade-pitfalls-and-three-knobs https://cxhello.top/blog/2026-09-16-cgpu-upgrade-pitfalls-and-three-knobs Upgrading cGPU to restore hard memory isolation on a production K8s cluster — five pitfalls from a test run, the "fake Ready" anti-pattern, and a three-knob model for GPU scheduling. Wed, 16 Sep 2026 00:00:00 GMT caixiaohuichn@gmail.com (Cuthbert) KubernetesGPUtroubleshooting