Ask someone to sketch a transformer on a whiteboard and they’ll draw the 2017 version: softmax attention over every pair
Continue readingMHA, MQA, GQA, MLA: The KV-Cache Trade-offs Behind Every Modern Transformer
Every production rate limiter has two layers. The first layer is the algorithm: token bucket, leaky bucket, fixed window, sliding
# POST 2: Reading EXPLAIN A query that ran in 20 milliseconds yesterday takes 40 seconds today. Nothing in the
Continue readingReading EXPLAIN Like a Planner: Debugging Slow Queries in PostgreSQL
# POST 1: Transactional Outbox (Slot 10 backend) You update a row in your database, then publish an event to
Continue readingThe Transactional Outbox Pattern in Go: Reliable Events Without Dual Writes
A request fails at 2 AM. The on-call engineer greps through logs looking for a trace ID, finds seventeen lines
Continue readingStructured Logging in Go With slog: Handlers, Sampling, and Dynamic Levels
Another week, another pile of repositories crossing the ten-thousand-star mark in days. Most weekly roundups stop at the star count,
Continue readingTrending GitHub Repos This Week: Typed Decision Models Take Over the Trending Page
PgBouncer has quietly become mandatory infrastructure for PostgreSQL at scale. If you run more than a few hundred client connections
Python 3.13 gave us something Python developers had wanted for decades: a build of CPython with no Global Interpreter Lock.
Every team starts with environment variables because every framework supports them. A DATABASE_URL in a .env file, a compose file
Every Prometheus outages post-mortem tells the same story in a slightly different costume. The server ran fine for months, then
Continue readingPrometheus Cardinality Explosions: Why Your Monitoring Server Ran Out of Memory