allow passing MetricProducers to MetricReaders via config

open-telemetry · Jul 20, 2023 · 93b927e · 93b927e
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -13,6 +13,9 @@ release.
 
 ### Metrics
 
+- Allow passing MetricProducers as config to MetricReaders instead of through RegisterProducer.
+ ([#TODO](https:/open-telemetry/opentelemetry-specification/pull/TODO))
+
 ### Logs
 
 ### Resource

diff --git a/specification/metrics/sdk.md b/specification/metrics/sdk.md
@@ -1112,6 +1112,11 @@ If the [MeterProvider](#meterprovider) is an instance of
 MeterProvider, but MUST NOT allow multiple [MeterProviders](#meterprovider)
 to be registered with the same MetricReader.
 
+MetricReaders MAY accept zero or more MetricProducers during construction
+instead of providing the RegisterProducer operation. Provided MetricProducers
+are used as a source of of aggregated metric data in subsequent invocations of
+Collect.
+
 #### Collect
 
 Collects the metrics from the SDK and any registered