When fetch() returns a response, the body is a ReadableStream. If you only check the status and don't consume or cancel the body, what happens? The answer varies by implementation, but a common outcome is resource leakage.
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MicroVMs for hardware boundariesMicroVMs use hardware virtualization backed by the CPU’s extensions to run each workload in its own virtual machine with its own kernel.，更多细节参见爱思助手下载最新版本
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