10.21.25 | Amazon's AWS struggles, Claude Code online, laser pointer at 2B FPS

Hacker News Highlights · Oct 21, 2025 · 12m

This is a recap of the top 10 posts on Hacker News on Oct 21, 2025.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

(00:00) - Intro

(00:20) - Today is when the Amazon brain drain sent AWS down the spout

(01:30) - Claude Code on the web

(02:36) - A laser pointer at 2B FPS [video]

(03:34) - Alibaba Cloud says it cut Nvidia AI GPU use by 82% with new pooling system

(04:50) - Production RAG: what I learned from processing 5M+ documents

(06:03) - BERT is just a single text diffusion step

(07:15) - ChkTag: x86 Memory Safety

(08:33) - How to stop Linux…