Why Prometheus exporter not support exponential histogram

[OuyangKevin]

Component(s)

prometheus-client-bridge

Is your feature request related to a problem? Please describe.

Why Prometheus exporter not support exponential histogram? https://github.com/open-telemetry/opentelemetry-java-contrib/blob/main/prometheus-client-bridge/src/main/java/io/opentelemetry/contrib/metrics/prometheus/clientbridge/MetricAdapter.java

Describe the solution you'd like

not yet

Describe alternatives you've considered

No response

Additional context

No response

[jkwatson]

Support hasn't been implemented yet...simple as that.

[trask]

hi @OuyangKevin! check out open-telemetry/opentelemetry-java#5940 (and there's a PR in discussion at open-telemetry/opentelemetry-java#6015)

[trask]

oops, re-opening, I missed that this is about the prometheus-client-bridge and not about the prometheus exporter