Staff DB Engineer at Meta. Scaling MySQL to Billions QPS. Engineering leader, extreme skier.https://adityajalan.comhttps://adityajalan.com/what-staff-engineering-actually-meanshttps://adityajalan.com/what-staff-engineering-actually-meansStaff Engineer is not Senior Engineer with more years. It is a fundamentally different job. Here is what actually changes — and what nobody tells you.Fri, 20 Mar 2026 00:00:00 GMThttps://adityajalan.com/the-physics-of-billion-qpshttps://adityajalan.com/the-physics-of-billion-qpsWhat does it actually take to scale MySQL to a billion queries per second? A deep dive into the architecture, trade-offs, and lessons learned at Meta scale.Sun, 08 Mar 2026 00:00:00 GMT