Post: Using Rust to Scale Elixir for 11 Million Concurrent Users

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What is Elixr?

Elixir is a functional language; its data structures are immutable. This is great for reasoning about code and supporting the massive concurrency you enjoy when you write Elixir. The double-edged sword of immutable data structures is that mutations are modeled by taking an existing data structure and an operation and creating a brand new data structure that is the result of applying that operation to the existing data structure.