Intro Another exciting database article! I bet you couldn’t wait! =) I’m going to keep this one short, and cover one topic: database sharding. What Is It? Let’s say you have an application that needs a backend database. You’re using Postgres, and you’ve scaled it as much as you can vertically. Like, you’re using AWS X1E 32xlarge that cost around $20,000 USD per month. What can you do next?