diff --git a/test/cpp/qps/qps_test.cc b/test/cpp/qps/qps_test.cc
index 7b93443f7ce157b181f8278d72e0612d26e8ed8f..ba980a666438e73a6a78fa308b83e19f31aa6f63 100644
--- a/test/cpp/qps/qps_test.cc
+++ b/test/cpp/qps/qps_test.cc
@@ -53,8 +53,8 @@ static void RunQPS() {
   ClientConfig client_config;
   client_config.set_client_type(ASYNC_CLIENT);
   client_config.set_enable_ssl(false);
-  client_config.set_outstanding_rpcs_per_channel(10);
-  client_config.set_client_channels(800);
+  client_config.set_outstanding_rpcs_per_channel(1000);
+  client_config.set_client_channels(8);
   client_config.set_payload_size(1);
   client_config.set_async_client_threads(8);
   client_config.set_rpc_type(UNARY);