Unverified50% confidenceFactExact time

操作系统级虚拟化（如OpenVZ/LXC）共享宿主内核，资源开销极小但隔离性较弱

1

Sources

50%

Confidence

Long-term

Relevance

7/12/2026

First Seen

Sources

Farewell to a Decade-Old VPS: Technical and Emotional Insights from Retiring an Old Server

twitterJamesIvings7/10/2026

Related Claims

UnverifiedOpenVZ是操作系统级虚拟化，多个容器共享同一内核，无法加载自定义内核模块，FUSE、eBPF等特性无法使用74% similar Unverified容器共享宿主机内核而非模拟完整硬件，因此启动速度可达毫秒级，资源开销远低于传统虚拟机69% similar UnverifiedGCP、AWS部分实例以及大多数OpenStack部署都以KVM和QEMU虚拟化栈为基础67% similar

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