[exporter/prometheus] Document native histogram support#47733
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Vanshul97 wants to merge 1 commit intoopen-telemetry:mainfrom
Open
[exporter/prometheus] Document native histogram support#47733Vanshul97 wants to merge 1 commit intoopen-telemetry:mainfrom
Vanshul97 wants to merge 1 commit intoopen-telemetry:mainfrom
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Add a section to the README documenting that native histograms are supported via OpenMetrics protobuf format, and that exemplars are currently not supported for native histograms. Fixes open-telemetry#47160
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dashpole
reviewed
Apr 18, 2026
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| To use native histograms: | ||
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| 1. Set `enable_open_metrics: true` in the exporter configuration. Native histograms are only available through the OpenMetrics protobuf content negotiation format. |
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This doesn't sound correct. The prometheus protobuf format is not part of openmetrics (that has its own protobuf format which hasn't ever been implemented that I know of). It shouldn't require you to set enable_open_metrics
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Summary
Documents native histogram support in the Prometheus exporter README.
Fixes #47160
Changes
Added a "Native Histograms" section to the README that documents:
enable_open_metrics: trueis required (protobuf content negotiation)