Building a distributed asyncio event loop (Chad Retz) - PyTexas 2025

To support distributed, durable (i.e. resumable) asynchronous code in Temporal, a custom asyncio event loop was required. We will cover how asyncio event loops work under the hood, considerations for building a custom, deterministic one, and gotchas encountered along the way.

Speaker: Chad Retz

Chad Retz is a Senior Staff Software Engineer at Temporal and the developer of Temporal Python used for developing distributed workflows as Python code.