default compression to 'none'

[env defaults](https://github.com/open-telemetry/opentelemetry-js/blob/main/packages/opentelemetry-core/src/utils/environment.ts#L221-L222) of `''` lead to warning log `Unknown compression`
open-telemetry · Sep 9, 2024 · 328939c · 328939c
1 parent 016c240
commit 328939c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/experimental/packages/otlp-grpc-exporter-base/src/util.ts b/experimental/packages/otlp-grpc-exporter-base/src/util.ts
@@ -160,7 +160,8 @@ export function configureCompression(
 
   const envCompression =
     getEnv().OTEL_EXPORTER_OTLP_TRACES_COMPRESSION ||
-    getEnv().OTEL_EXPORTER_OTLP_COMPRESSION;
+    getEnv().OTEL_EXPORTER_OTLP_COMPRESSION ||
+    'none';
 
   if (envCompression === 'gzip') {
     return CompressionAlgorithm.GZIP;