[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間:2025-08-18 (世界標準時間)。"],[[["\u003cp\u003eNested virtualization in Compute Engine allows running virtual machines (VMs) inside other VMs, enabling the creation of custom virtualization environments.\u003c/p\u003e\n"],["\u003cp\u003eCompute Engine uses a security-hardened, KVM-based hypervisor at level 0 (L0), which hosts level 1 (L1) VMs, each capable of running another hypervisor for level 2 (L2) VMs.\u003c/p\u003e\n"],["\u003cp\u003eNested virtualization can be useful for running VMs incompatible with Compute Engine or for testing software on various operating systems without managing numerous Compute Engine images.\u003c/p\u003e\n"],["\u003cp\u003eNested VMs may experience a performance decrease of 10% or more, especially in CPU or input/output-bound workloads, and certain VM types are not compatible.\u003c/p\u003e\n"],["\u003cp\u003eEnabling nested virtualization involves checking constraints, creating an L1 VM with the feature enabled, and then creating the nested L2 VM.\u003c/p\u003e\n"]]],[],null,[]]