Fix: OTEL_LOG_LEVEL default to info for partial success logging.

Author: michaelsafyan

CHANGELOG.md

@@ -12,6 +12,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+- OTLP exporters now log partial success responses when `OTEL_LOG_LEVEL` is set to `info`, `debug`, or `verbose`.
+  ([#4805](https://github.com/open-telemetry/opentelemetry-python/pull/4805))
 - docs: Added sqlcommenter example
   ([#4734](https://github.com/open-telemetry/opentelemetry-python/pull/4734))
 - build: bump ruff to 0.14.1

exporter/opentelemetry-exporter-otlp-proto-grpc/src/opentelemetry/exporter/otlp/proto/grpc/exporter.py

@@ -259,7 +259,7 @@ def _get_credentials(
 
 
 def _should_log_partial_responses():
-    otel_log_level = environ.get(OTEL_LOG_LEVEL, "off").lower()
+    otel_log_level = environ.get(OTEL_LOG_LEVEL, "info").lower()
     return otel_log_level in ["verbose", "debug", "info"]
 
 

opentelemetry-sdk/src/opentelemetry/sdk/environment_variables/__init__.py

@@ -50,7 +50,8 @@
 """
 .. envvar:: OTEL_LOG_LEVEL
 
-The :envvar:`OTEL_LOG_LEVEL` environment variable sets the log level used by the SDK logger
+The :envvar:`OTEL_LOG_LEVEL` environment variable sets the log level used by the SDK logger.
+OTLP exporters will log partial success responses when this is set to `info`, `debug`, or `verbose`.
 Default: "info"
 """