DNS-First Connectivity for Distributed Systems 1. Mandatory Rule All services must be addressed by DNS/service name. localhost, 127.0.0.1, or static IPs are forbidden outside single-process unit tests. 2. Scope Applies to: Applications ETL / ...

Just wrapped up a real‑world debugging arc inside Azure Synapse — the kind that reminds you data engineering is built on investigation, not just pipelines. A simple task “load 18 months of NYC Taxi data into the Silver layer” turned into a full b...