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When teams plan a Kubernetes deployment, the first question is deceptively simple: where should it actually run? For years the default answer has been the public cloud, prized for flexibility and instant provisioning. Yet a growing number of organizations is circling back to an older option — running Kubernetes directly on bare metal servers, with no hypervisor sitting between the scheduler and the silicon. The timing for that debate is unusually good. Recent weeks have produced hard data points on both sides of the ledger: compiler-level gains that only materialize on known hardware, a kernel fix that exposes the firmware risks of owning your own machines, and new accelerator economics that make the "rent versus own" question live again. No Hypervisor Tax: Where the Performance Gains Actually Come From The most obvious advantage is also the hardest to generalize: pods get direct, unmediated access to the host's cores, NUMA topology, NVMe storage and network interfaces...