Damien Mathieu

[RFC 7231](https://www.rfc-editor.org/rfc/rfc7231#page-46) states: > The User-Agent field-value consists of one or more product identifiers In the case of OTLP exporters, the product identifier is OpenTelemetry, not the user's application, despite...

Do we need it configurable via an environment variable then? A distribution could modify a local variable, or any other mean to change the value that wouldn't easily be available...

See https://github.com/open-telemetry/opentelemetry-go/pull/5756 for context on the challenges this gives, and how it's not a trivial change.

Could you use [benchstat](https://pkg.go.dev/golang.org/x/perf/cmd/benchstat) to make the benchmark more comparable ? You also need to sign the CLA

Urgh you're right, it's my friday evening mistake.

cc @pyohannes as code owner.

I agree with @mx-psi that the behavior really depends on the language, and what it offers. Go is rather strict there. An interface can't add a new method, that'd be...

> For example, [PHP 8 has observer API](https://www.datadoghq.com/blog/engineering/php-8-observability-baked-right-in/#the-observer-api-in-php-8), where it should be easy to do. Then, there's nothing preventing the language maintainers (or you) from starting something which does that...

This issue is a ludicrous attempt from a fascist to maintain their antique view that men and women as unequal, and that the world needs to be patriarchal. It should...

Any improvement is welcome. But each separate improvement should be its own PR with benchmark comparison (either using the existing benchmarks, or adding new ones).