Forking can be quite slow (milliseconds), though there are techniques to speed it up: https://www.cs.purdue.edu/homes/pfonseca/papers/eurosys21-odf.pdf https://

Forking can be quite slow (milliseconds), though there are techniques to speed it up: https://www.cs.purdue.edu/homes/pfonseca/papers/eurosys21-odf.pdf https://www.cs.purdue.edu/homes/pfonseca/papers/eurosys21-od... I believe wasmtime can be faster as it doesn’t need to create as many new OS resources and just resets some memory maps. Only really meaningful for simple request handlers taking a few milliseconds.