Hacker News Digest · October 21, 2025

AWS multiple services outage in us-east-1 health.aws.amazon.com / 1831 comments

Results from blood test for 50 cancers bbc.com / 31 comments

Intel and AMD standardise ChkTag to bring Memory Safety to x86 community.intel.com / 100 comments

Building a message queue with only two UNIX signals leandronsp.com / 50 comments

Postman which I thought worked locally on my computer, is down status.postman.com / 154 comments

A laser pointer at 2B FPS [video] youtube.com / 57 comments

Production RAG: what I learned from processing 5M+ documents blog.abdellatif.io / 85 comments

Alibaba Cloud says it cut Nvidia AI GPU use by 82% with new pooling system tomshardware.com / 245 comments

BERT is just a single text diffusion step nathan.rs / 91 comments

Claude Code on the web anthropic.com / 250 comments

Last updated: 2025-10-21 05:02:26 UTC