feat: exponential histogram - part 2 - the accumulation and aggregator (

#3505)
open-telemetry · Mar 14, 2023 · d82a098 · d82a098
1 parent 56e6b1b
commit d82a098
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Showing 16 changed files with 1,796 additions and 13 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -11,6 +11,8 @@ For experimental package changes, see the [experimental CHANGELOG](experimental/
 
 ### :rocket: (Enhancement)
 
+* feat(sdk-metrics): add exponential histogram accumulation / aggregator [#3505](https://github.com/open-telemetry/opentelemetry-js/pull/3505) @mwear
+
 ### :bug: (Bug Fix)
 
 ### :books: (Refine Doc)

diff --git a/experimental/packages/otlp-transformer/src/metrics/internal.ts b/experimental/packages/otlp-transformer/src/metrics/internal.ts
@@ -19,6 +19,7 @@ import {
   AggregationTemporality,
   DataPoint,
   DataPointType,
+  ExponentialHistogram,
   Histogram,
   MetricData,
   ResourceMetrics,
@@ -96,7 +97,10 @@ export function toMetric(metricData: MetricData): IMetric {
 }
 
 function toSingularDataPoint(
-  dataPoint: DataPoint<number> | DataPoint<Histogram>,
+  dataPoint:
+    | DataPoint<number>
+    | DataPoint<Histogram>
+    | DataPoint<ExponentialHistogram>,
   valueType: ValueType
 ) {
   const out: INumberDataPoint = {