Logs were designed for humans grepping text files at 2am. Now they also have to feed query engines, correlation and anomaly detection. Here's what that changes about what you write, and which field names to use.

Observability 1.0 taught us to look backward. Observability 2.0 asks us to look forward. Most teams haven’t made that shift yet. That’s why I named this site after a medieval divination practice.