Scaling Reads

- Reads dominate writes 100:1. Scale in three tiers: optimize the database (indexing, denormalization), scale ho...

30-second elevator pitch: "Read traffic grows exponentially faster than writes. I handle this in three tiers: first optimize the existing database with indexes and denormalization, then scale horizontally with read replicas, and finally add caching layers. Each tier builds on the previous one, and I always start with the simplest solution."

The Problem

Co…