How are Elixir processes lightweight?

[dom]

Technically, why are processes in Erlang more efficient than OS threads?

Edit: this was also covered quite a lot in this thread

Do process in elixir/erlang work like the process in google chrome?

tl;dr -> Yes, the idea is the same, and is provided in Elixir using its language-level support for processes, message passing and Supervisors. Longer: Conceptually they are indeed both similar: each task (web page in chrome; process in Elixir) is run in an isolated execution context, so (as you observed) failure in one of those tasks (e.g. a browser tab in chrome; a process in Elixir) does not impact the stability of other tasks (e.g. other tabs in chrome; other tasks in your Elixir paplicatio…