Afair Varnish can store cache in files too? I may be messing things here, as I use Nginx like 500 times more often. If yes, you can store that data with fixed

Afair Varnish can store cache in files too? I may be messing things here, as I use Nginx like 500 times more often. If yes, you can store that data with fixed size tmpfs - while on servers with modern NVMe handling 5 Gbyte/sec I would not bother.