Great work! Enjoyable read. I’ve always thought those basic droplets would choke as soon as any significant traffic began to scale up, but this shows it can stretch pretty far.

The only real issue here is that the tests assume applications are receiving legitimate human visits, but we know something like 90% of all traffic are bots and scrapers. Serving 4000 actual users would be significant, because the application could be serving more like 40,000 other requests from bots in that case. That’s why we’re inclined to not launch apps without implementing advanced caching and CDNs.