Was hoping this comment would be here. Firecracker and microVMs are good use-case. Also, being able to simply test and develop is a nice to have.

Nested virtualization can mean a lot of things. Not just full VMs.

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HumanOstrich 4 hours ago | parent [-]

> Firecracker and microVMs are good use-case.

Good use-case for what?

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sorenbs an hour ago | parent | next [-]

We operate a postgres service on Firecracker. You can create as many databases as you want, and we memory-snapshot them after 5 seconds of inactivity, and spin them up again in 50ms when a query arrives.

https://www.prisma.io/postgres

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adobrawy 4 hours ago | parent | prev [-]

Nowadays universal answer for "what? why?" is AI. AI agent needs VMs to run generated code in sandbox as they can not be trusted.

	▲	HumanOstrich 4 hours ago \| parent [-]
		I don't think everyone should assume that AI is the answer to all questions. I was asking the person I replied to, thanks.