This edition
From snakes to crabs: rewriting feature flag evaluation infrastructure at web scale
November 02 2026 - 15:30 (45 min )
A feature flag evaluation service handling ~500k req/min across 300 Django pods was hitting hard scaling limits: cascading failures from database pressure, fragile connection pooling, complex timeouts, and ballooning costs. When 10x growth projections made it clear the architecture wouldn't hold, the team rewrote it in Rust in under 3 quarters. This talk covers the full arc – the decisions, the execution, the results, and the consequences.
LEVEL: Advanced
