25th February 2019
Metrics are lossily compressed logs. Traces are logs with parent child relationships between entries. The only reason we have three terms is because getting value from them has required different compromises to make them cost effective.
Recent articles
- New release of LLM adds support for reasoning traces, OpenAI Responses, server-side tools, and smarter logging - 4th August 2026
- Stateless MCP has recaptured my interest (and inspired mcp-explorer and datasette-mcp) - 31st July 2026
- OpenAI’s accidental cyberattack against Hugging Face is science fiction that happened - 22nd July 2026