As an application grows, its database grows with it.
A small application might start with a few thousand users and a single database server. But what happens when that application reaches millions of users, processes thousands of requests per second, and stores terabytes or even petabytes of data?
At that point, simply buying a more powerful database server is not always enough.
This is where database partitioning and sharding come in.
In this article, we'll understand what they are, why they matter, how they work, and when you should use them.
