Learning Postgres under fire
2019.258The index was there. The query was right. Postgres stopped using it anyway.
performance
all tags →The index was there. The query was right. Postgres stopped using it anyway.
Algorithm selection, passive health checking, per-endpoint rate limiting, and upstream timing -- the decisions that matter when Nginx sits in front of production traffic.
Migrating a payment processing API from Node.js to Go -- what changed, what improved, and what we gave up.
Everything else was tuned. The wall was the one function I never wrote -- malloc. A dtrace one-liner showed the paths in.