Improving Performance: Interfacing Elixir with Rust - Discord's Success Story

2023/08/07

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Discord, a popular multi-platform voice over IP (VoIP) application platform, faced performance limitations with the BEAM virtual machine. In order to scale their system to 11 million concurrent users, they turned to interfacing Elixir with Rust. Elixir, built on top of the Erlang virtual machine, had previously allowed them to handle up to five million concurrent users. By integrating Rust, known for its performance and low-level control, Discord was able to overcome the limitations of BEAM when dealing with large data structures. This successful collaboration between Elixir and Rust showcases the potential of combining programming languages to optimize performance in large-scale systems. For developers looking to improve the performance of their applications, exploring the integration of Elixir and Rust can be a valuable approach. This article highlights Discord's story and the benefits of interfacing Elixir with Rust.