Three Knives

Aug 22, 2026 · Cloud Native

Eliminating Startup Decisions: How Feat Moves Runtime Choices to Compile Time for Faster Cold Starts

The article explains how the Feat framework reduces Java cold‑start latency by shifting configuration and environment decisions from runtime to compile time, using a three‑layer config model, externalized placeholders, and compile‑time code generation to eliminate on‑the‑fly processing.