This paper [1] argues that fork needs to be deprecated in favor of posix_spawn() or other more modern solutions. It claims that, among many other reasons, that

This paper [1] argues that fork needs to be deprecated in favor of posix_spawn() or other more modern solutions. It claims that, among many other reasons, that fork encourages overcommit and that programs such as Redis are extraordinarily constrained if overcommit is disabled - because of fork. [1] https://dl.acm.org/doi/10.1145/3317550.3321435 https://dl.acm.org/doi/10.1145/3317550.3321435