Writing
Notes from building and running systems — backend design, DevOps, applied AI, and the occasional book that changed how I work.
2 posts in Software EngineeringClear filters
- 8 min readFeatured
The Postgres index that took 9 seconds off a query
A query that ran in 4ms locally took 9 seconds in production. The fix was one composite index — but the useful part is how to read the plan that tells you which one.
- Backend
- Software Engineering
- 3 min read
Why I started writing things down
Every engineer I admire keeps some kind of notebook. This is mine, made public — systems that had to hold up, infrastructure that stopped being scary, and books worth the hours.
- Software Engineering