Change default value for OTEL_EXPORTER_JAEGER_AGENT_PORT (open-teleme…

…try#1812) Co-authored-by: Armin Ruech <armin.ruech@dynatrace.com>
carlosalberto · Aug 25, 2021 · 03ee979 · 03ee979
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -36,6 +36,9 @@ release.
 
 ### SDK Configuration
 
+- Change default value for OTEL_EXPORTER_JAEGER_AGENT_PORT to 6831.
+  ([#1812](https://github.com/open-telemetry/opentelemetry-specification/pull/1812))
+
 ## v1.6.0 (2021-08-06)
 
 ### Context

diff --git a/specification/sdk-environment-variables.md b/specification/sdk-environment-variables.md
@@ -117,12 +117,14 @@ See [OpenTelemetry Protocol Exporter Configuration Options](./protocol/exporter.
 | Name                            | Description                                                      | Default                                                                                          |
 |---------------------------------|------------------------------------------------------------------|--------------------------------------------------------------------------------------------------|
 | OTEL_EXPORTER_JAEGER_AGENT_HOST | Hostname for the Jaeger agent                                    | "localhost"                                                                                      |
-| OTEL_EXPORTER_JAEGER_AGENT_PORT | Port for the Jaeger agent                                        | 6832                                                                                             |
+| OTEL_EXPORTER_JAEGER_AGENT_PORT | Port for the Jaeger agent `compact` Thrift protocol              | 6831                                                                                             |
 | OTEL_EXPORTER_JAEGER_ENDPOINT   | HTTP endpoint for Jaeger traces                                  | <!-- markdown-link-check-disable --> "http://localhost:14250"<!-- markdown-link-check-enable --> |
 | OTEL_EXPORTER_JAEGER_TIMEOUT    | Maximum time the Jaeger exporter will wait for each batch export | 10s                                                                                              |
 | OTEL_EXPORTER_JAEGER_USER       | Username to be used for HTTP basic authentication                | -                                                                                                |
 | OTEL_EXPORTER_JAEGER_PASSWORD   | Password to be used for HTTP basic authentication                | -                                                                                                |
 
+See [Jaeger Agent](https://www.jaegertracing.io/docs/latest/deployment/#agent) documentation.
+
 ## Zipkin Exporter
 
 **Status**: [Stable](document-status.md)