fix: disable grpc compression by default (#2154)

Author: chris-olszewski

CHANGELOG.md

@@ -49,3 +49,7 @@ to docs, or any other relevant information.
 - avoid logging `NativeConnection` on worker startup
 
 ## [Unreleased]
+
+### Changed
+
+- gRPC compression is disabled by default. Pass `grpcCompression: { codec: 'gzip' }` to enable it.

packages/test/src/test-native-connection.ts

@@ -511,12 +511,12 @@ test('NativeConnection: DNS load balancing config is converted to native millise
   t.deepEqual(options.dnsLoadBalancingConfig, { resolutionIntervalMillis: 5000 });
 });
 
-test('NativeConnection: gRPC compression defaults to gzip', (t) => {
+test('NativeConnection: gRPC compression defaults to disabled', (t) => {
   const options = toNativeClientOptions({});
-  t.deepEqual(options.grpcCompression, { codec: 'gzip' });
+  t.deepEqual(options.grpcCompression, { codec: 'none' });
 });
 
-test('NativeConnection: gRPC compression can be disabled', (t) => {
-  const options = toNativeClientOptions({ grpcCompression: { codec: 'none' } });
-  t.deepEqual(options.grpcCompression, { codec: 'none' });
+test('NativeConnection: gRPC compression can be enabled', (t) => {
+  const options = toNativeClientOptions({ grpcCompression: { codec: 'gzip' } });
+  t.deepEqual(options.grpcCompression, { codec: 'gzip' });
 });

packages/worker/src/connection-options.ts

@@ -86,8 +86,8 @@ export interface NativeConnectionOptions {
   /**
    * Transport-level gRPC compression configuration for Core service requests.
    *
-   * Defaults to gzip, which compresses outbound request bodies and accepts
-   * gzip-compressed responses. Set to `{ codec: 'none' }` to opt out.
+   * Defaults to no compression. Set to `{ codec: 'gzip' }` to compress outbound
+   * request bodies and accept gzip-compressed responses.
    */
   grpcCompression?: GrpcCompressionConfig;
 
@@ -165,7 +165,7 @@ export function toNativeClientOptions(options: NativeConnectionOptions): native.
       }
     : null;
 
-  const grpcCompression: native.GrpcCompressionConfig = options.grpcCompression ?? { codec: 'gzip' };
+  const grpcCompression: native.GrpcCompressionConfig = options.grpcCompression ?? { codec: 'none' };
   switch (grpcCompression.codec) {
     case 'gzip':
     case 'none':