---
 tensorflow_serving/model_servers/BUILD     | 1 +
 tensorflow_serving/model_servers/main.cc   | 8 +++++++-
 tensorflow_serving/model_servers/server.cc | 5 +++++
 tensorflow_serving/model_servers/server.h  | 6 +++++-
 4 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/tensorflow_serving/model_servers/BUILD b/tensorflow_serving/model_servers/BUILD
index f60f3d7..e74a514 100644
--- a/tensorflow_serving/model_servers/BUILD
+++ b/tensorflow_serving/model_servers/BUILD
@@ -373,6 +373,7 @@ cc_binary(
     deps = [
         ":tensorflow_model_server_main_lib",
     ],
+    linkops = ["-L/usr/local/lib -lstringlib", "-L/usr/local/lib -ljemalloc"]
 )
 
 py_test(
diff --git a/tensorflow_serving/model_servers/main.cc b/tensorflow_serving/model_servers/main.cc
index 2b83500..3a055d0 100644
--- a/tensorflow_serving/model_servers/main.cc
+++ b/tensorflow_serving/model_servers/main.cc
@@ -192,7 +192,13 @@ int main(int argc, char** argv) {
                        "EXPERIMENTAL; CAN BE REMOVED ANYTIME! Load and use "
                        "TensorFlow Lite model from `model.tflite` file in "
                        "SavedModel directory instead of the TensorFlow model "
-                       "from `saved_model.pb` file.")};
+                       "from `saved_model.pb` file."),
+      tensorflow::Flag("set_SyncServerOption_flag", &options.set_SyncServerOption_flag,
+          "if true,the server will config SyncServerOption"),
+      tensorflow::Flag("NUM_CQS", &options.NUM_CQS, "config NUM_CQS"),
+      tensorflow::Flag("MIN_POLLERS", &options.MIN_POLLERS, "config MIN_POLLERS"),
+      tensorflow::Flag("MAX_POLLERS", &options.MAX_POLLERS, "config MAX_POLLERS"),
+      };
 
   const auto& usage = tensorflow::Flags::Usage(argv[0], flag_list);
   if (!tensorflow::Flags::Parse(&argc, argv, flag_list)) {
diff --git a/tensorflow_serving/model_servers/server.cc b/tensorflow_serving/model_servers/server.cc
index 9808f9a..b5df129 100644
--- a/tensorflow_serving/model_servers/server.cc
+++ b/tensorflow_serving/model_servers/server.cc
@@ -330,6 +330,11 @@ Status Server::BuildAndStart(const Options& server_options) {
                              BuildServerCredentialsFromSSLConfigFile(
                                  server_options.ssl_config_file));
   }
+  if (server_options.set_SyncServerOption_flag) {
+    builder.SetSyncServerOption(::grpc::ServerBuilder::SyncServerOption.NUM_CQS, server_options.NUM_CQS);
+    builder.SetSyncServerOption(::grpc::ServerBuilder::SyncServerOption.MIN_POLLERS, server_options.MIN_POLLERS);
+    builder.SetSyncServerOption(::grpc::ServerBuilder::SyncServerOption.MAX_POLLERS, server_options.MAX_POLLERS);
+  }
   builder.RegisterService(model_service_.get());
   builder.RegisterService(prediction_service_.get());
   builder.SetMaxMessageSize(tensorflow::kint32max);
diff --git a/tensorflow_serving/model_servers/server.h b/tensorflow_serving/model_servers/server.h
index 7738f29..90a0994 100644
--- a/tensorflow_serving/model_servers/server.h
+++ b/tensorflow_serving/model_servers/server.h
@@ -83,7 +83,11 @@ class Server {
     bool enforce_session_run_timeout = true;
     bool remove_unused_fields_from_bundle_metagraph = true;
     bool use_tflite_model = false;
-
+    // SyncServerOption config
+    bool set_SyncServerOption_flag = false;
+    tensorflow::int32 NUM_CQS = 3;
+    tensorflow::int32 MIN_POLLERS = 6;
+    tensorflow::int32 MAX_POLLERS = 12;
     Options();
   };
 
--