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convert OpenMetrics Info and StateSet metrics to gauges
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@dashpole
dashpole committed Feb 24, 2022
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Showing 1 changed file with 8 additions and 2 deletions.
10 changes: 8 additions & 2 deletions specification/metrics/datamodel.md
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Expand Up @@ -1152,13 +1152,19 @@ Multiple Prometheus metrics are merged together into a single OTLP Summary:
* The `quantile` label on non-suffixed metrics is used to identify quantile points in summary metrics. Each Prometheus line produces one quantile on the resulting summary.
* Lines with `_count` and `_sum` suffixes are used to determine the summary's count and sum.

#### Info

An [OpenMetrics Info](https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#info) metric MUST be converted to an OTLP Gauge.

#### StateSet

An [OpenMetrics StateSet](https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#stateset) metric MUST be converted to an OTLP Gauge.

#### Dropped Types

The following Prometheus types MUST be dropped:

* [OpenMetrics GaugeHistogram](https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#gaugehistogram)
* [OpenMetrics StateSet](https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#stateset)
* [OpenMetrics Info](https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#info)

#### Start Time

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