diff --git a/internal/gitaly/config/config.go b/internal/gitaly/config/config.go
index 8b775f39b892ecebe3ff76667df3815b56431f2d..934dadf9b4f7128e6a032413932fd329dd42cc1a 100644
--- a/internal/gitaly/config/config.go
+++ b/internal/gitaly/config/config.go
@@ -145,6 +145,11 @@ type Cfg struct {
 	Transactions           Transactions        `json:"transactions,omitempty"      toml:"transactions,omitempty"`
 	AdaptiveLimiting       AdaptiveLimiting    `json:"adaptive_limiting,omitempty" toml:"adaptive_limiting,omitempty"`
 	Raft                   Raft                `json:"raft,omitempty"              toml:"raft,omitempty"`
+	GRPCOptions            GRPCOptions         `json:"grpc_options"                toml:"grpc_options,omitempty"`
+}
+
+type GRPCOptions struct {
+	SharedWriteBuffer bool `json:"shared_write_buffer" toml:"shared_write_buffer,omitempty"`
 }
 
 // Transactions configures transaction related options.
diff --git a/internal/gitaly/config/config_test.go b/internal/gitaly/config/config_test.go
index b49490bde7d5c984a02457109efff6f1fd0af1f3..fda8a220645d22b6b3f5f692419a95aee489a567 100644
--- a/internal/gitaly/config/config_test.go
+++ b/internal/gitaly/config/config_test.go
@@ -51,6 +51,15 @@ enabled = true
 	require.True(t, cfg.Transactions.Enabled)
 }
 
+func TestLoadSharedWriteBuffer(t *testing.T) {
+	cfg, err := Load(strings.NewReader(`
+[grpc_options]
+shared_write_buffer = true
+	`))
+	require.NoError(t, err)
+	require.True(t, cfg.GRPCOptions.SharedWriteBuffer)
+}
+
 func TestLoadEmptyConfig(t *testing.T) {
 	cfg, err := Load(strings.NewReader(``))
 	require.NoError(t, err)
diff --git a/internal/gitaly/server/server.go b/internal/gitaly/server/server.go
index 3c28d64f06cef04c4123191c3b7f53f8020598b4..6a48bd60081785e5a90f88b5b9f07de8cbeeda61 100644
--- a/internal/gitaly/server/server.go
+++ b/internal/gitaly/server/server.go
@@ -189,6 +189,7 @@ func (s *GitalyServerFactory) New(external, secure bool, opts ...Option) (*grpc.
 			Time: 5 * time.Minute,
 		}),
 		grpc.WaitForHandlers(true),
+		grpc.SharedWriteBuffer(s.cfg.GRPCOptions.SharedWriteBuffer),
 	}
 
 	return grpc.NewServer(serverOptions...), nil