David Ashpole

Hmmm... This seems to imply that the requests Header is always required to be initialized: https://pkg.go.dev/net/http#RoundTripper. I've also looked through many other instrumentation libraries (prometheus and other otel http libraries),...

> Add a link to the raw results in the blog post as well for people to find it Added.

> I'm wondering if it's possible to have a "Next steps" section that summarizes the steps the Prometheus WG will take given these insights? I'm not sure yet, as any...

The warnings in the build log seem unrelated

@avillela I added a note about spam comments in https://github.com/open-telemetry/opentelemetry.io/pull/4649/commits/d4a3c33a2b1be3716ee5a42817cf57c66930807f

Thanks @svrnm!

Thanks! I'll leave this open, and pursue option 2.

/assign @dgrisonnet /triage accepted

Exemplars were enabled by default in 1.31.0, so that wouldn't have changed between 1.28.0 and 1.30.0. But if it was 1.31, that would possibly explain it. From https://github.com/prometheus/prometheus/blob/4a6f8704efcabfe9ee0f74eab58d4c11579547be/tsdb/exemplar.go#L257: > Since...

Got it. So it is probably an issue with the implementation of exemplar translation in the OTLP receiver of the prometheus server. The exemplar validation code probably assumes things about...