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opentelemetry-dotnet/docs/diagnostics/experimental-apis/OTEL1002.md

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OpenTelemetry .NET Diagnostic: OTEL1002

Overview

This is an Experimental API diagnostic covering the following APIs:

  • AlwaysOnExemplarFilter
  • AlwaysOffExemplarFilter
  • Exemplar
  • ExemplarFilter
  • MeterProviderBuilder.SetExemplarFilter extension method
  • TraceBasedExemplarFilter

Experimental APIs may be changed or removed in the future.

Details

The OpenTelemetry Specification defines an Exemplar API in the Metrics SDK.

From the specification:

Exemplars are example data points for aggregated data. They provide specific context to otherwise general aggregations. Exemplars allow correlation between aggregated metric data and the original API calls where measurements are recorded.

We are exposing these APIs experimentally until the specification declares them stable.