diff --git a/cpp/CHANGELOG.md b/cpp/CHANGELOG.md
index 7f860baf7c195a2cc3e8bbe524bca3c70773bb13..db70fe0dbb1372d33c883d0e453db18a57a3eb29 100644
--- a/cpp/CHANGELOG.md
+++ b/cpp/CHANGELOG.md
@@ -98,6 +98,7 @@ Please mark all change in change log and use the ticket from JIRA.
 - MS-504 - Update node_test in scheduler
 - MS-505 - Install core unit test and add to coverage
 - MS-508 - Update normal_test in scheduler
+- MS-532 - Add grpc server unittest
 
 ## New Feature
 - MS-343 - Implement ResourceMgr
diff --git a/cpp/src/sdk/examples/grpcsimple/src/ClientTest.cpp b/cpp/src/sdk/examples/grpcsimple/src/ClientTest.cpp
index 1fc1aa4f86615efab3f23c2187e76df80f09aec7..f25bb1d17298e0ca0159076ce706a319c0cd58b6 100644
--- a/cpp/src/sdk/examples/grpcsimple/src/ClientTest.cpp
+++ b/cpp/src/sdk/examples/grpcsimple/src/ClientTest.cpp
@@ -24,7 +24,7 @@ const std::string TABLE_NAME = GetTableName();
 constexpr int64_t TABLE_DIMENSION = 512;
 constexpr int64_t TABLE_INDEX_FILE_SIZE = 1024;
 constexpr int64_t BATCH_ROW_COUNT = 1000000;
-constexpr int64_t NQ = 10000;
+constexpr int64_t NQ = 1000;
 constexpr int64_t TOP_K = 10;
 constexpr int64_t SEARCH_TARGET = 5000; //change this value, result is different
 constexpr int64_t ADD_VECTOR_LOOP = 1;
diff --git a/cpp/unittest/server/CMakeLists.txt b/cpp/unittest/server/CMakeLists.txt
index 3dfca579940482c208d5289ad4db3e335d2f110a..7e67711f3d7b33e38067e35d6b1b5ab2fd1edecd 100644
--- a/cpp/unittest/server/CMakeLists.txt
+++ b/cpp/unittest/server/CMakeLists.txt
@@ -6,29 +6,85 @@
 include_directories(${MILVUS_ENGINE_SRC}/)
 include_directories(/usr/include)
 
+include_directories(/usr/include/mysql)
+
 include_directories(/usr/local/cuda/include)
 link_directories(/usr/local/cuda/lib64)
 
+aux_source_directory(${MILVUS_ENGINE_SRC}/db db_main_files)
+aux_source_directory(${MILVUS_ENGINE_SRC}/db/engine db_engine_files)
+aux_source_directory(${MILVUS_ENGINE_SRC}/db/insert db_insert_files)
+aux_source_directory(${MILVUS_ENGINE_SRC}/db/meta db_meta_files)
 aux_source_directory(${MILVUS_ENGINE_SRC}/config config_files)
 aux_source_directory(${MILVUS_ENGINE_SRC}/cache cache_srcs)
-aux_source_directory(${MILVUS_ENGINE_SRC}/wrapper wrapper_src)
+aux_source_directory(${MILVUS_ENGINE_SRC}/wrapper/knowhere knowhere_src)
+aux_source_directory(${MILVUS_ENGINE_SRC}/scheduler/action scheduler_action_srcs)
+aux_source_directory(${MILVUS_ENGINE_SRC}/scheduler/event scheduler_event_srcs)
+aux_source_directory(${MILVUS_ENGINE_SRC}/scheduler/resource scheduler_resource_srcs)
+aux_source_directory(${MILVUS_ENGINE_SRC}/scheduler/task scheduler_task_srcs)
+aux_source_directory(${MILVUS_ENGINE_SRC}/scheduler scheduler_srcs)
+
+aux_source_directory(${MILVUS_ENGINE_SRC}/server server_src)
+aux_source_directory(${MILVUS_ENGINE_SRC}/server/grpc_impl grpc_server_src)
+
+aux_source_directory(${MILVUS_ENGINE_SRC}/db/scheduler scheduler_files)
+aux_source_directory(${MILVUS_ENGINE_SRC}/db/scheduler/context scheduler_context_files)
+aux_source_directory(${MILVUS_ENGINE_SRC}/db/scheduler/task scheduler_task_files)
+
 aux_source_directory(./ test_srcs)
 
+set(db_scheduler_srcs
+        ${scheduler_files}
+        ${scheduler_context_files}
+        ${scheduler_task_files}
+        )
+
+set(db_src
+        ${config_files}
+        ${cache_srcs}
+        ${db_main_files}
+        ${db_engine_files}
+        ${db_insert_files}
+        ${db_meta_files}
+        ${db_scheduler_srcs}
+        ${wrapper_src}
+        ${scheduler_action_srcs}
+        ${scheduler_event_srcs}
+        ${scheduler_resource_srcs}
+        ${scheduler_task_srcs}
+        ${scheduler_srcs}
+        ${knowhere_src}
+        ${util_files}
+        ${require_files}
+        ${test_srcs}
+        )
+
 set(utils_srcs
         ${MILVUS_ENGINE_SRC}/utils/StringHelpFunctions.cpp
         ${MILVUS_ENGINE_SRC}/utils/TimeRecorder.cpp
         ${MILVUS_ENGINE_SRC}/utils/CommonUtil.cpp
         ${MILVUS_ENGINE_SRC}/utils/LogUtil.cpp
         ${MILVUS_ENGINE_SRC}/utils/ValidationUtil.cpp
+        ${MILVUS_ENGINE_SRC}/utils/SignalUtil.cpp
+        )
+
+set(grpc_service_files
+        ${MILVUS_ENGINE_SRC}/grpc/gen-milvus/milvus.grpc.pb.cc
+        ${MILVUS_ENGINE_SRC}/grpc/gen-milvus/milvus.pb.cc
+        ${MILVUS_ENGINE_SRC}/grpc/gen-status/status.grpc.pb.cc
+        ${MILVUS_ENGINE_SRC}/grpc/gen-status/status.pb.cc
         )
 
+include_directories(${MILVUS_ENGINE_SRC}/grpc/gen-status)
+include_directories(${MILVUS_ENGINE_SRC}/grpc/gen-milvus)
+
 cuda_add_executable(server_test
+        ${db_src}
         ${unittest_srcs}
-        ${config_files}
-        ${cache_srcs}
-        ${wrapper_src}
-        ${test_srcs}
+        ${grpc_server_src}
+        ${server_src}
         ${utils_srcs}
+        ${grpc_service_files}
         ${require_files}
         )
 
@@ -38,6 +94,7 @@ set(require_libs
         cudart
         cublas
         sqlite
+        mysqlpp
         boost_system_static
         boost_filesystem_static
         snappy
@@ -46,6 +103,11 @@ set(require_libs
         zstd
         lz4
         pthread
+        grpcpp_channelz
+        grpc++
+        grpc
+        grpc_protobuf
+        grpc_protoc
         )
 
 target_link_libraries(server_test
diff --git a/cpp/unittest/server/rpc_test.cpp b/cpp/unittest/server/rpc_test.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..48e03124e20205b117d11f1664f862f0f7e002f9
--- /dev/null
+++ b/cpp/unittest/server/rpc_test.cpp
@@ -0,0 +1,334 @@
+////////////////////////////////////////////////////////////////////////////////
+// Copyright 上海赜睿信息科技有限公司(Zilliz) - All Rights Reserved
+// Unauthorized copying of this file, via any medium is strictly prohibited.
+// Proprietary and confidential.
+////////////////////////////////////////////////////////////////////////////////
+#include <gtest/gtest.h>
+#include <thread>
+#include <boost/filesystem.hpp>
+
+#include "server/Server.h"
+#include "server/grpc_impl/GrpcRequestHandler.h"
+#include "server/grpc_impl/GrpcRequestScheduler.h"
+#include "server/grpc_impl/GrpcRequestTask.h"
+#include "version.h"
+
+#include "grpc/gen-milvus/milvus.grpc.pb.h"
+#include "grpc/gen-status/status.pb.h"
+
+#include "server/DBWrapper.h"
+#include "server/ServerConfig.h"
+#include "db/Factories.h"
+#include "scheduler/SchedInst.h"
+#include "scheduler/ResourceFactory.h"
+#include "utils/CommonUtil.h"
+
+
+namespace zilliz {
+namespace milvus {
+namespace server {
+namespace grpc {
+
+static const char *TABLE_NAME = "test_grpc";
+static constexpr int64_t TABLE_DIM = 256;
+static constexpr int64_t INDEX_FILE_SIZE = 1024;
+static constexpr int64_t VECTOR_COUNT = 10000;
+static constexpr int64_t INSERT_LOOP = 10;
+constexpr int64_t SECONDS_EACH_HOUR = 3600;
+
+class RpcHandlerTest : public testing::Test {
+ protected:
+    void
+    SetUp() override {
+        server::ConfigNode &config = server::ServerConfig::GetInstance().GetConfig(server::CONFIG_CACHE);
+        config.AddSequenceItem(server::CONFIG_GPU_IDS, "0");
+
+        auto res_mgr = engine::ResMgrInst::GetInstance();
+        res_mgr->Clear();
+        res_mgr->Add(engine::ResourceFactory::Create("disk", "DISK", 0, true, false));
+        res_mgr->Add(engine::ResourceFactory::Create("cpu", "CPU", 0, true, true));
+        res_mgr->Add(engine::ResourceFactory::Create("gtx1660", "GPU", 0, true, true));
+
+        auto default_conn = engine::Connection("IO", 500.0);
+        auto PCIE = engine::Connection("IO", 11000.0);
+        res_mgr->Connect("disk", "cpu", default_conn);
+        res_mgr->Connect("cpu", "gtx1660", PCIE);
+        res_mgr->Start();
+        engine::SchedInst::GetInstance()->Start();
+
+        zilliz::milvus::engine::Options opt;
+
+        ConfigNode &db_config = ServerConfig::GetInstance().GetConfig(CONFIG_DB);
+        db_config.SetValue(CONFIG_DB_URL, "sqlite://:@:/");
+        db_config.SetValue(CONFIG_DB_PATH, "/tmp/milvus_test");
+        db_config.SetValue(CONFIG_DB_SLAVE_PATH, "");
+        db_config.SetValue(CONFIG_DB_ARCHIVE_DISK, "");
+        db_config.SetValue(CONFIG_DB_ARCHIVE_DAYS, "");
+
+        ConfigNode &cache_config = ServerConfig::GetInstance().GetConfig(CONFIG_CACHE);
+        cache_config.SetValue(CONFIG_INSERT_CACHE_IMMEDIATELY, "");
+
+        ConfigNode &serverConfig = ServerConfig::GetInstance().GetConfig(CONFIG_SERVER);
+        serverConfig.SetValue(CONFIG_CLUSTER_MODE, "single");
+
+        ConfigNode &engine_config = ServerConfig::GetInstance().GetConfig(CONFIG_ENGINE);
+        engine_config.SetValue(CONFIG_OMP_THREAD_NUM, "");
+
+
+        DBWrapper::GetInstance().GetInstance().StartService();
+        //initialize handler, create table
+        handler = std::make_shared<GrpcRequestHandler>();
+        ::grpc::ServerContext context;
+        ::milvus::grpc::TableSchema request;
+        request.mutable_table_name()->set_table_name(TABLE_NAME);
+        request.set_dimension(TABLE_DIM);
+        request.set_index_file_size(INDEX_FILE_SIZE);
+        request.set_metric_type(1);
+        ::milvus::grpc::Status status;
+        ::grpc::Status grpc_status = handler->CreateTable(&context, &request, &status);
+    }
+
+    void
+    TearDown() override {
+        DBWrapper::GetInstance().StopService();
+        engine::ResMgrInst::GetInstance()->Stop();
+        engine::SchedInst::GetInstance()->Stop();
+        boost::filesystem::remove_all("/tmp/milvus_test");
+    }
+ protected:
+    std::shared_ptr<GrpcRequestHandler> handler;
+};
+
+namespace {
+void BuildVectors(int64_t from, int64_t to,
+                  std::vector<std::vector<float >> &vector_record_array) {
+    if (to <= from) {
+        return;
+    }
+
+    vector_record_array.clear();
+    for (int64_t k = from; k < to; k++) {
+        std::vector<float> record;
+        record.resize(TABLE_DIM);
+        for (int64_t i = 0; i < TABLE_DIM; i++) {
+            record[i] = (float) (k % (i + 1));
+        }
+
+        vector_record_array.emplace_back(record);
+    }
+}
+
+std::string CurrentTmDate(int64_t offset_day = 0) {
+    time_t tt;
+    time(&tt);
+    tt = tt + 8 * SECONDS_EACH_HOUR;
+    tt = tt + 24 * SECONDS_EACH_HOUR * offset_day;
+    tm *t = gmtime(&tt);
+
+    std::string str = std::to_string(t->tm_year + 1900) + "-" + std::to_string(t->tm_mon + 1)
+        + "-" + std::to_string(t->tm_mday);
+
+    return str;
+}
+}
+
+TEST_F(RpcHandlerTest, HasTableTest) {
+    ::grpc::ServerContext context;
+    ::milvus::grpc::TableName request;
+    request.set_table_name(TABLE_NAME);
+    ::milvus::grpc::BoolReply reply;
+    ::grpc::Status status = handler->HasTable(&context, &request, &reply);
+    ASSERT_TRUE(status.error_code() == ::grpc::Status::OK.error_code());
+    int error_code = reply.status().error_code();
+    ASSERT_EQ(error_code, ::milvus::grpc::ErrorCode::SUCCESS);
+}
+
+TEST_F(RpcHandlerTest, IndexTest) {
+    ::grpc::ServerContext context;
+    ::milvus::grpc::IndexParam request;
+    ::milvus::grpc::Status response;
+    request.mutable_table_name()->set_table_name(TABLE_NAME);
+    request.mutable_index()->set_index_type(1);
+    request.mutable_index()->set_nlist(16384);
+    ::grpc::Status grpc_status = handler->CreateIndex(&context, &request, &response);
+    ASSERT_EQ(grpc_status.error_code(), ::grpc::Status::OK.error_code());
+    int error_code = response.error_code();
+    ASSERT_EQ(error_code, ::milvus::grpc::ErrorCode::SUCCESS);
+
+    ::milvus::grpc::TableName table_name;
+    table_name.set_table_name(TABLE_NAME);
+    ::milvus::grpc::IndexParam index_param;
+    handler->DescribeIndex(&context, &table_name, &index_param);
+    ::milvus::grpc::Status status;
+    handler->DropIndex(&context, &table_name, &status);
+//    ASSERT_EQ();
+}
+
+TEST_F(RpcHandlerTest, InsertTest) {
+    ::grpc::ServerContext context;
+    ::milvus::grpc::InsertParam request;
+    ::milvus::grpc::Status response;
+    request.set_table_name(TABLE_NAME);
+    std::vector<std::vector<float>> record_array;
+    BuildVectors(0, VECTOR_COUNT, record_array);
+    ::milvus::grpc::VectorIds vector_ids;
+    for (auto &record : record_array) {
+        ::milvus::grpc::RowRecord *grpc_record = request.add_row_record_array();
+        for (size_t i = 0; i < record.size(); i++) {
+            grpc_record->add_vector_data(record[i]);
+        }
+    }
+    handler->Insert(&context, &request, &vector_ids);
+    ASSERT_EQ(vector_ids.vector_id_array_size(), VECTOR_COUNT);
+}
+
+TEST_F(RpcHandlerTest, SearchTest) {
+    ::grpc::ServerContext context;
+    ::milvus::grpc::SearchParam request;
+    ::milvus::grpc::TopKQueryResultList response;
+    request.set_table_name(TABLE_NAME);
+    request.set_topk(10);
+    request.set_nprobe(32);
+    std::vector<std::vector<float>> record_array;
+    BuildVectors(0, VECTOR_COUNT, record_array);
+    for (auto &record : record_array) {
+        ::milvus::grpc::RowRecord *row_record = request.add_query_record_array();
+        for (auto &rec : record) {
+            row_record->add_vector_data(rec);
+        }
+    }
+    handler->Search(&context, &request, &response);
+    ::milvus::grpc::SearchInFilesParam search_in_files_param;
+//    search_in_files_param.set
+    handler->SearchInFiles(&context, &search_in_files_param, &response);
+}
+
+TEST_F(RpcHandlerTest, TablesTest) {
+    std::string tablename = "tbl";
+    ::grpc::ServerContext context;
+    ::milvus::grpc::InsertParam request;
+    ::milvus::grpc::Status response;
+    request.set_table_name(tablename);
+    std::vector<std::vector<float>> record_array;
+    BuildVectors(0, VECTOR_COUNT, record_array);
+    ::milvus::grpc::VectorIds vector_ids;
+    for (auto &record : record_array) {
+        ::milvus::grpc::RowRecord *grpc_record = request.add_row_record_array();
+        for (size_t i = 0; i < record.size(); i++) {
+            grpc_record->add_vector_data(record[i]);
+        }
+    }
+
+    //Insert vectors
+    handler->Insert(&context, &request, &vector_ids);
+
+    //Count Table
+    ::milvus::grpc::TableRowCount count;
+    ::milvus::grpc::TableName table_name;
+    table_name.set_table_name(tablename);
+    ::grpc::Status status = handler->CountTable(&context, &table_name, &count);
+    ASSERT_EQ(status.error_code(), ::grpc::Status::OK.error_code());
+    ASSERT_EQ(count.table_row_count(), vector_ids.vector_id_array_size());
+
+    //Describe table
+    ::milvus::grpc::TableSchema table_schema;
+    request.set_table_name(TABLE_NAME);
+    status = handler->DescribeTable(&context, &table_name, &table_schema);
+    ASSERT_EQ(status.error_code(), ::grpc::Status::OK.error_code());
+
+    //Preload Table
+    status = handler->PreloadTable(&context, &table_name, &response);
+    ASSERT_EQ(status.error_code(), ::grpc::Status::OK.error_code());
+
+    //Drop table
+    request.set_table_name(tablename);
+    ::grpc::Status grpc_status = handler->DropTable(&context, &table_name, &response);
+    ASSERT_EQ(grpc_status.error_code(), ::grpc::Status::OK.error_code());
+    int error_code = status.error_code();
+    ASSERT_EQ(error_code, ::milvus::grpc::ErrorCode::SUCCESS);
+}
+
+TEST_F(RpcHandlerTest, CmdTest) {
+    ::grpc::ServerContext context;
+    ::milvus::grpc::Command command;
+    command.set_cmd("version");
+    ::milvus::grpc::StringReply reply;
+    handler->Cmd(&context, &command, &reply);
+
+    ASSERT_EQ(reply.string_reply(), MILVUS_VERSION);
+}
+
+TEST_F(RpcHandlerTest, DeleteByRangeTest) {
+    ::grpc::ServerContext context;
+    ::milvus::grpc::DeleteByRangeParam request;
+    ::milvus::grpc::Status status;
+    request.set_table_name(TABLE_NAME);
+    request.mutable_range()->set_start_value(CurrentTmDate(-2));
+    request.mutable_range()->set_end_value(CurrentTmDate(-3));
+
+    ::grpc::Status grpc_status = handler->DeleteByRange(&context, &request, &status);
+    int error_code = status.error_code();
+    ASSERT_EQ(error_code, ::milvus::grpc::ErrorCode::SUCCESS);
+}
+
+//////////////////////////////////////////////////////////////////////
+class DummyTask : public GrpcBaseTask {
+ public:
+    ErrorCode
+    OnExecute() override {
+        return 0;
+    }
+
+    static BaseTaskPtr
+    Create(std::string& dummy) {
+        return std::shared_ptr<GrpcBaseTask>(new DummyTask(dummy));
+    }
+
+    ErrorCode
+    DummySetError(ErrorCode error_code, const std::string &msg) {
+        return SetError(error_code, msg);
+    }
+
+ public:
+    explicit DummyTask(std::string &dummy) : GrpcBaseTask(dummy) {
+
+    }
+};
+
+class RpcSchedulerTest : public testing::Test {
+ protected:
+    void
+    SetUp() override {
+        std::string dummy = "dql";
+        task_ptr = std::make_shared<DummyTask>(dummy);
+    }
+
+    std::shared_ptr<DummyTask> task_ptr;
+};
+
+TEST_F(RpcSchedulerTest, BaseTaskTest){
+    ErrorCode error_code = task_ptr->Execute();
+    ASSERT_EQ(error_code, 0);
+
+    error_code = task_ptr->DummySetError(0, "test error");
+    ASSERT_EQ(error_code, 0);
+
+    GrpcRequestScheduler::GetInstance().Start();
+    ::milvus::grpc::Status grpc_status;
+    std::string dummy = "dql";
+    BaseTaskPtr base_task_ptr = DummyTask::Create(dummy);
+    GrpcRequestScheduler::GetInstance().ExecTask(base_task_ptr, &grpc_status);
+
+    GrpcRequestScheduler::GetInstance().ExecuteTask(task_ptr);
+    task_ptr = nullptr;
+    GrpcRequestScheduler::GetInstance().ExecuteTask(task_ptr);
+
+
+    GrpcRequestScheduler::GetInstance().Stop();
+}
+
+}
+}
+}
+}
+