SREcon25 Americas - Maturing Your Data Architecture in a Week: How Bluesky Survived

Maturing Your Data Architecture in a Week: How Bluesky Survived Jaz Volpert, Bluesky PBC In November of 2024, Bluesky saw a sudden surge in activity adding one million new users per day several days in a row, with daily active users increasing by 1,200% in a week. Through this exponential growth, Bluesky's backend team of ~6 engineers kept the site online and continued to onboard new users despite all of our core infrastructure running on our own physical infrastructure. In this talk, I'll walk you through the 11 days of hell (16+ hours a day) in which we rapidly matured our data architecture to support over 1M hourly active users producing 1,600+ events/sec. View the full SREcon25 Americas program at https://www.usenix.org/conference/srecon25americas/program