Zach Tellman - Everything Will Flow

Why HN readers recommended it

HN recommends it as a fascinating explanation of queues, flow control and overload that applies well beyond Clojure.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel

ClojureTV

Topic

queueing theory and backpressure

Format

talk

Level

intermediate

HN recommenders in dataset

4

HN mentions in dataset

7

Recommendation years in dataset

2015–2022

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

• Yeah this is true, typically you want to keep blocking functions outside this. By default, core.async allocates as many threads as cores in your CPU. In addition to this, I personally find core.async to deal poorly with flow control (e.g. slow subscribers slowing down the …

• See also a very nice video from ClojureWest about queues in system architectures: [VIDEO] The queue are everywhere - your messaging queue, the threadpool, the hardware threads, and other layers of the stack and APIs you use. The video adds the interesting detail that as …

• Anything by Zach Tellman: [LINK] [LINK] In terms of his ideas, watch "Always be composing": [LINK] And he offers some great thoughts about queues and backpressure in "Everything will flow": [VIDEO]