Changelog fragment

beacon-chain/rpc/BUILD.bazel

@@ -4,6 +4,7 @@ go_library(
     name = "go_default_library",
     srcs = [
         "endpoints.go",
+        "grpc_compression.go",
         "log.go",
         "metrics.go",
         "service.go",
@@ -69,6 +70,7 @@ go_library(
         "@io_opentelemetry_go_contrib_instrumentation_google_golang_org_grpc_otelgrpc//:go_default_library",
         "@org_golang_google_grpc//:go_default_library",
         "@org_golang_google_grpc//credentials:go_default_library",
+        "@org_golang_google_grpc//encoding/gzip:go_default_library",
         "@org_golang_google_grpc//peer:go_default_library",
         "@org_golang_google_grpc//reflection:go_default_library",
     ],

beacon-chain/rpc/grpc_compression.go

@@ -0,0 +1,7 @@
+package rpc
+
+import (
+	// Installing the gzip encoding registers it as an available compressor.
+	// gRPC will automatically negotiate and use gzip if the client supports it.
+	_ "google.golang.org/grpc/encoding/gzip"
+)

changelog/pvl-gzip.md

@@ -0,0 +1,3 @@
+### Added
+
+- Added support for gzip compression in gRPC server