A Node.js service was writing UTC timestamps to a PostgreSQL database configured for Europe/Berlin. Nobody noticed the mismatch until a DST transition made an entire hour of orders vanish from daily reports.
- Published On
debugging
- A client's dashboard took 11 seconds to render. Everyone blamed the database. The real problem was an ORM doing exactly what we told it to — we just never looked at what that meant.
- Published On
- A consulting story about a nightly billing job that quietly started double-charging customers after a Kubernetes migration — and the boring lock that finally fixed it.
- Published On
- A debugging deep dive into replacing wall-of-text logs with structured logging and trace IDs — and how it cut our mean time to resolution from hours to minutes.
- Published On
Tags
consulting (26)developer-experience (13)architecture (9)debugging (4)reliability (4)code-quality (4)ai (4)devops (3)performance (3)microservices (3)testing (3)observability (3)engineering-culture (3)database (2)technical-debt (2)productivity (2)ci-cd (2)tooling (2)javascript (2)postgres (2)goals (2)cloud (1)cost-optimization (1)postgresql (1)orm (1)refactoring (1)on-call (1)alerting (1)incident-management (1)typescript (1)kubernetes (1)distributed-systems (1)caching (1)platform-engineering (1)security (1)dependencies (1)deployment (1)code-review (1)feature-flags (1)api (1)contracts (1)logging (1)mongodb (1)migration (1)workflow (1)nestjs (1)angular (1)sandbox (1)sonarcube (1)learning (1)journey (1)mdx (1)