https://jimyag.com/blog/libvirt/ 专注于 Kubernetes、KubeVirt、OVN 和 Firecracker 的后端开发工程师 Hugo zh-CN Copyright © 2019, jimyag. Thu, 14 May 2026 18:04:16 +0800 https://jimyag.com/posts/kubevirt-cpu-overcommit-control/ Thu, 14 May 2026 18:04:16 +0800 https://jimyag.com/posts/kubevirt-cpu-overcommit-control/ CPU 超卖不是单个开关。本文拆解 KubeVirt 场景下调度层、执行层和策略层的控制边界：requests/limits、cpuAllocationRatio、动态调度入口控制，以及 libvirt quota/period。