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Nathaniel J. Smith - Trio: Async concurrency for mere mortals - PyCon 2018

3 videos recommended on HN
YouTube
2 HN users recommended this talk2 months2020–2023 score 2.5
Years with an HN recommendation, 2007–2026

Recommended as a clear introduction to structured concurrency and as an explanation of subtle asyncio bugs that Trio avoids.

Nathaniel J. Smith's PyCon 2018 talk introducing Trio, a Python concurrency library designed around usability and structured concurrency. He live-codes a problem and analyzes pitfalls in other async libraries.

“one of the best explanations I've seen about what subtle bugs are easy to make with asyncio” (HN, 2021)

1 strong recommendations · 1 recommendations · 1 citations · Talks · intermediate

3 Hacker News comments

From the HN archive; up to 20 kept per video, favoring different commenters. Recommendations first.

@acidbaseextract Oct 2021 Strongly recommends
on HN thread A viable solution for Python concurrency
The video (or blog post) below is one of the best explanations I've seen about what subtle bugs are easy to make with asyncio, why it's easy to make them, and how the trio library addresses them. But yes, consider alternatives before you pick asyncio as your approach! Talk: [this video] Blog post: [link]
Explains subtle asyncio bugs and how trio addresses them
@kzuberi Feb 2023 Recommends
on HN thread Structured Concurrency Definition
A useful introduction to the ideas is in Nathaniel's PyCon 2018 talk on trio [1], where he live-codes a solution to a concurrency-spaghetti problem. [1] [this video]
Useful introduction with live-coded concurrency problem

Citations, criticism and jokes

@ric2b Aug 2020 Cites it
on HN thread Don't trust default timeouts
Great list. That last suggestion (Multiple requests) can be tough to implement correctly, I think it's usually called Happy Eyeballs: [this video]
Happy Eyeballs concept for multiple requests

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