21st May 2009 - Link Blog
TwitterAlikeExample - redis. Excellent example of how you design a moderately complex system against a scalable key-value store (in this case redis). Most “how to build Twitter” code examples fail to address the hard problem of scaling user inboxes, but this one tackles it head on.
Recent articles
- The Axios supply chain attack used individually targeted social engineering - 3rd April 2026
- Highlights from my conversation about agentic engineering on Lenny's Podcast - 2nd April 2026
- Mr. Chatterbox is a (weak) Victorian-era ethically trained model you can run on your own computer - 30th March 2026