Logs
Log Explorer
What did each component report? Logs tell you what happened; the trace id on each line tells you where it happened in the request. Click it.
Runs on your machine
The Log Explorer reads real telemetry from the lab running on your computer: traces from Tempo, metrics from Prometheus and logs from Loki. This public page has no lab behind it, and it will not show invented numbers in their place.
git clone https://github.com/jars-demo/otel-demo.git cd otel-demo docker compose up -d --build --wait
Then open http://localhost:3400: the same site, with every live view connected. New here? Start with Chapter 01.