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Tokio with Carle Lerche

September 16, 2025 · 56 min

Show notes

Remastered as: Season 1 · Episode 34 — Tokio with Carl Lerche

Episode 5 – Tokio with Carl Lerche.

In this episode of Netstack.fm, Glen speaks with Carl Lerche, the creator and maintainer of the Tokio Runtime, about his journey into technology, the evolution of programming languages, and the impact of Rust on the software development landscape. They discuss the rise of async programming, the development of networking libraries, and the future of Rust in infrastructure. Carl shares insights on the creation of the Bytes crate, the implications of io_uring, and his role at Amazon. The conversation also touches on the upcoming Tokio conference and the introduction of Toasty, a new query engine for Rust.

Learn more:

Rama

If you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.org


Chapters

  • 00:00 Intro
  • 00:45 Origins of Carl
  • 04:01 Parallel between DotCom Bubble and current AI wave
  • 05:52 Origins of Carl... Continued
  • 09:12 Carl discovers Rust in 2014
  • 13:40 Creation of mio
  • 17:39 mio, tokio and futures
  • 19:15 Powers of Rust
  • 25:57 io_uring
  • 26:12 The Evolution of IO-URing and Its Practicality
  • 29:40 Carl's job at Amazon and Tokio
  • 30:51 Maintaining Tokio today and beyond
  • 32:30 Toasty
  • 38:58 AI in Software Development: A Tool for Productivity
  • 49:20 First Tokio Conference
  • 53:10 Final words
  • 55:17 Outro

Netstack.FM

Music for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.

All episodes of netstack.fm

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