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Metrics SDK - require meter information to be available for exporter #2040

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Oct 25, 2021
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Metrics SDK - require meter information to be available for exporter #2040

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Metrics SDK - require meter information to be available for exporter
reyang Oct 19, 2021
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update changelog
reyang Oct 19, 2021
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Merge branch 'main' into reyang/metrics-sdkaccess-meter-from-exporter
reyang Oct 20, 2021
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Merge branch 'main' into reyang/metrics-sdkaccess-meter-from-exporter
jsuereth Oct 23, 2021
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Merge branch 'main' into reyang/metrics-sdkaccess-meter-from-exporter
reyang Oct 25, 2021
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2 changes: 2 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -19,6 +19,8 @@ release.
([#1935](https://github.com/open-telemetry/opentelemetry-specification/pull/1935))
- Add clarifications on how to handle numerical limits.
([#2007](https://github.com/open-telemetry/opentelemetry-specification/pull/2007))
- Specify that the SDK must support exporters to access meter information.
([#2040](https://github.com/open-telemetry/opentelemetry-specification/pull/2040))

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3 changes: 3 additions & 0 deletions specification/metrics/sdk.md
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Expand Up @@ -706,6 +706,9 @@ Exports a batch of `Metrics`. Protocol exporters that will implement this
function are typically expected to serialize and transmit the data to the
destination.

The SDK MUST provide a way for the exporter to get the [Meter](./api.md#meter)
information (e.g. name, version, etc.) associated with each `Metric`.
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`Export` will never be called concurrently for the same exporter instance.
`Export` can be called again only after the current call returns.

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