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Split OTEL_EXPORTER to OTEL_TRACE_EXPORTER and OTEL_METRICS_EXPORTER #1318

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merged 8 commits into from
Jan 13, 2021
Merged

Split OTEL_EXPORTER to OTEL_TRACE_EXPORTER and OTEL_METRICS_EXPORTER #1318

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39b03ed
Rename OTEL_EXPORTER to OTEL_EXPORTERS
Jan 5, 2021
d4502d6
Split exporter variables
Jan 6, 2021
07faed8
Update compliance matrix
Jan 6, 2021
cf3b6bf
Clean
Jan 8, 2021
79007ed
Merge branch 'master' of github.com:open-telemetry/opentelemetry-spec…
Jan 9, 2021
fe8215f
Changelog
Jan 9, 2021
3366da2
Merge branch 'master' of github.com:open-telemetry/opentelemetry-spec…
Jan 12, 2021
df105be
Update spec-compliance-matrix.md
Jan 12, 2021
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3 changes: 3 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -16,6 +16,9 @@ Updates:

- Additional Cassandra semantic attributes
([#1217](https://github.com/open-telemetry/opentelemetry-specification/pull/1217))
- OTEL_EXPORTER environment variable replaced with OTEL_TRACE_EXPORTER and
OTEL_METRICS_EXPORTER which each accept only a single value, not a list.
([#1318](https://github.com/open-telemetry/opentelemetry-specification/pull/1318))
- `process.runtime.description` resource convention: Add `java.vm.name`
([#1242](https://github.com/open-telemetry/opentelemetry-specification/pull/1242))
- Refine span name guideline for SQL database spans
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3 changes: 2 additions & 1 deletion spec-compliance-matrix.md
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Expand Up @@ -126,7 +126,8 @@ status of the feature is not known.
|OTEL_EXPORTER_OTLP_* | | + | | + | + | - | - | | - | - | - |
|OTEL_EXPORTER_JAEGER_* | | + | | + | + | - | - | + | - | - | - |
|OTEL_EXPORTER_ZIPKIN_* | | + | | + | | - | - | | - | - | - |
|OTEL_EXPORTER | | - | | + | | | | | | - | - |
|OTEL_TRACE_EXPORTER | | - | | - | | | | | | - | - |
|OTEL_METRICS_EXPORTERS | | - | | - | | | | | | - | - |
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|OTEL_SPAN_ATTRIBUTE_COUNT_LIMIT | | + | | + | + | | | | | - | - |
|OTEL_SPAN_EVENT_COUNT_LIMIT | | + | | + | + | | | | | - | - |
|OTEL_SPAN_LINK_COUNT_LIMIT | | + | | + | + | | | | | - | - |
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17 changes: 10 additions & 7 deletions specification/sdk-environment-variables.md
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Expand Up @@ -84,20 +84,23 @@ See [OpenTelemetry Protocol Exporter Configuration Options](./protocol/exporter.

## Exporter Selection

We define environment variables for setting a single exporter per signal.

| Name | Description | Default |
| ------------- | ---------------------------------------------------------------------------- | ------- |
| OTEL_EXPORTER | Exporter to be used, can be a comma-separated list to use multiple exporters | "otlp" |
| OTEL_TRACE_EXPORTER | Trace exporter to be used | "otlp" |
| OTEL_METRICS_EXPORTER | Metrics exporter to be used | "otlp" |

Known values for OTEL_EXPORTER are:
Known values for OTEL_TRACE_EXPORTER are:

- `"otlp"`: [OTLP Trace and Metrics](./protocol/otlp.md)
- `"otlp"`: [OTLP](./protocol/otlp.md)
- `"jaeger"`: [Jaeger gRPC](https://www.jaegertracing.io/docs/1.21/apis/#protobuf-via-grpc-stable)
- `"zipkin"`: [Zipkin](https://zipkin.io/zipkin-api/) (Defaults to [protobuf](https://github.com/openzipkin/zipkin-api/blob/master/zipkin.proto) format)
- `"prometheus"`: [Prometheus](https://github.com/prometheus/docs/blob/master/content/docs/instrumenting/exposition_formats.md)
- `"otlp_span"`: [OTLP Trace](./protocol/otlp.md)
- `"otlp_metric"`: [OTLP Metrics](./protocol/otlp.md)

Note: "otlp" is equivalent to "otlp_span,otlp_metric".
Known values for OTEL_METRICS_EXPORTER are:

- `"otlp"`: [OTLP](./protocol/otlp.md)
- `"prometheus"`: [Prometheus](https://github.com/prometheus/docs/blob/master/content/docs/instrumenting/exposition_formats.md)

## Language Specific Environment Variables

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