whats the ~ perf hit of something like this? | Hacker News

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		parhamn 42 days ago \| parent \| context \| favorite \| on: AWS Adds support for nested virtualization whats the ~ perf hit of something like this?

largbae 42 days ago | [–]

Nowadays nested just wastes the extra operating system overhead and I/O performance if your VM doesn't have paravirtualization drivers installed. CPUs all have hardware support.

otterley 42 days ago | [–]

As a practical matter, anywhere from 5-15%.

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