tag
3 posts on The Log.
Architecture
When a side project suddenly has to answer a hundred thousand requests a minute, the comfortable abstractions start to leak. Here's what actually held up, and what I'd never do again.
Databases
For years I treated the database as a dumb bucket behind an ORM. Then a slow query took down production and taught me to read an execution plan. A love letter to the most underrated tool we own.
Data
We pushed both at a billion rows and measured everything. The answer wasn't "use the fast one"; it was knowing which questions each database was built to answer.