Mark exemplars as stable. (#3870)

open-telemetry · Apr 20, 2024 · e6eccba · e6eccba
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -13,8 +13,12 @@ release.
 
 ### Metrics
 
+- Change the exemplar behavior to be on by default.
+  ([#3994](https://github.com/open-telemetry/opentelemetry-specification/pull/3994))
 - Add name suggestion for option to apply resource attributes as metric attributes in Prometheus exporter.
   ([#3837](https://github.com/open-telemetry/opentelemetry-specification/pull/3837))
+- Mark Exemplars as stable.
+  ([#3870](https://github.com/open-telemetry/opentelemetry-specification/pull/3870))
 
 ### Logs
 
@@ -51,8 +55,6 @@ release.
   ([#3872](https://github.com/open-telemetry/opentelemetry-specification/pull/3872))
 - Add synchronous gauge entry to sum monotonic table.
   ([#3977](https://github.com/open-telemetry/opentelemetry-specification/pull/3977))
-- Change the exemplar behavior to be on by default.
-  ([#3994](https://github.com/open-telemetry/opentelemetry-specification/pull/3994))
 
 ### Logs
 

diff --git a/spec-compliance-matrix.md b/spec-compliance-matrix.md
@@ -201,8 +201,8 @@ formats is required. Implementing more than one format is optional.
 | Exemplars retain any attributes available in the measurement that are not preserved by aggregation or view configuration.                                              |          |    | +    |     | -      |      | +      |     |      |     | -    |       |
 | Exemplars contain the associated trace id and span id of the active span in the Context when the measurement was taken.                                                |          |    | +    |     | -      |      | +      |     |      |     | -    |       |
 | Exemplars contain the timestamp when the measurement was taken.                                                                                                        |          |    | +    |     | -      |      | +      |     |      |     | -    |       |
-| The metrics SDK provides an `ExemplarReservoir` interface or extension point.                                                                                          | X        |    | -    |     | -      |      | +      | +   |      |     | -    |       |
-| An `ExemplarReservoir` has an `offer` method with access to the measurement value, attributes, `Context` and timestamp.                                                | X        |    | -    |     | -      |      | +      | +   |      |     | -    |       |
+| The metrics SDK provides an `ExemplarReservoir` interface or extension point.                                                                                          |          |    | -    |     | -      |      | +      | +   |      |     | -    |       |
+| An `ExemplarReservoir` has an `offer` method with access to the measurement value, attributes, `Context` and timestamp.                                                |          |    | -    |     | -      |      | +      | +   |      |     | -    |       |
 | The metrics SDK provides a `SimpleFixedSizeExemplarReservoir` that is used by default for all aggregations except `ExplicitBucketHistogram`.                           |          |    | +    |     | -      |      | +      | +   |      |     | -    |       |
 | The metrics SDK provides an `AlignedHistogramBucketExemplarReservoir` that is used by default for `ExplicitBucketHistogram` aggregation.                               |          |    | +    |     | -      |      | +      |     |      |     | -    |       |
 | A metric Producer accepts an optional metric Filter                                                                                                                    |          |    |      |     |        |      | -      |     |      |     |      |       |

diff --git a/specification/metrics/sdk.md b/specification/metrics/sdk.md
@@ -382,7 +382,7 @@ The SDK MUST accept the following stream configuration parameters:
   user does not provide an `aggregation` value, the `MeterProvider` MUST apply
   a [default aggregation](#default-aggregation) configurable on the basis of
   instrument type according to the [MetricReader](#metricreader) instance.
-* **Status**: [Experimental, Feature-freeze](../document-status.md) - `exemplar_reservoir`: A
+* `exemplar_reservoir`: A
   functional type that generates an exemplar reservoir a `MeterProvider` will
   use when storing exemplars. This functional type needs to be a factory or
   callback similar to aggregation selection functionality which allows
@@ -957,7 +957,7 @@ series and the topic requires further analysis.
 
 ## Exemplar
 
-**Status**: [Experimental, Feature-freeze](../document-status.md)
+**Status**: [Stable](../document-status.md)
 
 Exemplars are example data points for aggregated data. They provide specific
 context to otherwise general aggregations. Exemplars allow correlation between