Yes! A community member was interested in enabling tracing in Druid, specifically tracing time spent aggregating and combining results using OpenTelemetry:
OpenTelemetry is a collection of tools, APIs, and SDKs. Use it to instrument, generate, collect, and export telemetry data (metrics, logs, and traces) to help you analyze your software’s performance and behavior.
Read about the OpenTelemetry emitter extension, along with a bit more context.
I’ve heard about OpenTelemetry but admit that I’ve not seen an example in action – I would love to hear from anyone who’s got this up and running. Looks like a good topic for a meetup somewhere! (Oh and Virtual Druid Summit in December of course! = Druid Summit Virtual 2022 - Druid Summit