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In modern virtualized environments, there are usually methods for doing I/O that approximately bypasses the host OS so that your VM is doing I/O against physica
by jandrewrogers 5y ago
In modern virtualized environments, there are usually methods for doing I/O that approximately bypasses the host OS so that your VM is doing I/O against physical hardware. This wasn’t always the case several years ago but virtualized I/O performance can now be very close to bare metal if you write the code for it.