[All writing](/blog/)

# System Design

2 posts in this thread.

Nov 11, 2022

-   [Infrastructure](/blog/infrastructure/)

### [Scale to Millions of Users](/scale-to-millions-of-users/)

How to design a system that supports millions of users? What are the challenges to scaling it up to serve millions of users?

Sep 1, 2022

-   [Database](/blog/database/)

### [Database Primary Key](/database-primary-key/)

Choosing a database primary key between big integers, ordered UUID, and nanoid.