diff --git a/mittest/simple_server/CMakeLists.txt b/mittest/simple_server/CMakeLists.txt
index 30e65a74ab..478297aa88 100644
--- a/mittest/simple_server/CMakeLists.txt
+++ b/mittest/simple_server/CMakeLists.txt
@@ -29,6 +29,26 @@ function(errsim_ha_unittest_observer case)
   target_link_libraries(${case} PRIVATE gtest gmock observer_test oceanbase)
 endfunction()
 
+add_executable(test_simple_ob
+  EXCLUDE_FROM_ALL
+  test_ob_simple_cluster.cpp
+  env/ob_simple_server.cpp
+  env/ob_simple_server_restart_helper.cpp
+  env/ob_simple_cluster_test_base.cpp
+  )
+target_include_directories(test_simple_ob PUBLIC
+  ${CMAKE_SOURCE_DIR}/unittest ${CMAKE_SOURCE_DIR}/mittest)
+target_link_libraries(test_simple_ob
+  PRIVATE
+  -Wl,--start-group
+  oceanbase_static
+  ob_sql_static
+  ob_storage_static
+  -Wl,--end-group
+  -static-libgcc
+  -static-libstdc++
+  gtest
+  gmock)
 
 ob_unittest_observer(test_standby_balance test_standby_balance_ls_group.cpp)
 ob_unittest_observer(test_ls_recover test_ls_recover.cpp)
diff --git a/mittest/simple_server/env/ob_fast_bootstrap.h b/mittest/simple_server/env/ob_fast_bootstrap.h
deleted file mode 100644
index eb0e6d8ca7..0000000000
--- a/mittest/simple_server/env/ob_fast_bootstrap.h
+++ /dev/null
@@ -1,212 +0,0 @@
-#pragma once
-
-#include "lib/ob_define.h"
-#include "lib/profile/ob_trace_id.h"
-#include "rootserver/ob_bootstrap.h"
-#include "share/schema/ob_schema_service.h"
-#include "share/schema/ob_schema_getter_guard.h"
-#include "share/schema/ob_multi_version_schema_service.h"
-#include "share/schema/ob_ddl_sql_service.h"
-#include "share/schema/ob_schema_service_sql_impl.h"
-
-#include <thread>
-
-namespace oceanbase
-{
-namespace rootserver
-{
-
-int batch_create_schema_local(uint64_t tenant_id,
-                              ObDDLService &ddl_service,
-                              ObIArray<ObTableSchema> &table_schemas,
-                              const int64_t begin, const int64_t end)
-{
-  int ret = OB_SUCCESS;
-  const int64_t begin_time = ObTimeUtility::current_time();
-  if (begin < 0 || begin >= end || end > table_schemas.count()) {
-    ret = OB_INVALID_ARGUMENT;
-    LOG_WARN("invalid argument", K(ret), K(begin), K(end), "table count", table_schemas.count());
-  } else {
-    ObDDLOperator ddl_operator(ddl_service.get_schema_service(), ddl_service.get_sql_proxy());
-    ObMySQLTransaction trans(true);
-    if (OB_FAIL(trans.start(&ddl_service.get_sql_proxy(), tenant_id))) {
-      LOG_WARN("start transaction failed", KR(ret));
-    } else {
-      for (int64_t idx = begin;idx < end && OB_SUCC(ret); idx++) {
-        ObTableSchema &table = table_schemas.at(idx);
-        const ObString *ddl_stmt = NULL;
-        bool need_sync_schema_version = !(ObSysTableChecker::is_sys_table_index_tid(table.get_table_id()) ||
-                                          is_sys_lob_table(table.get_table_id()));
-        int64_t start_time = ObTimeUtility::current_time();
-        if (OB_FAIL(ddl_operator.create_table(table, trans, ddl_stmt,
-                                              need_sync_schema_version,
-                                              false))) {
-          LOG_WARN("add table schema failed", K(ret),
-              "table_id", table.get_table_id(),
-              "table_name", table.get_table_name());
-        } else {
-          int64_t end_time = ObTimeUtility::current_time();
-          LOG_INFO("add table schema succeed", K(idx),
-              "table_id", table.get_table_id(),
-              "table_name", table.get_table_name(), "core_table", is_core_table(table.get_table_id()), "cost", end_time-start_time);
-        }
-      }
-    }
-    if (trans.is_started()) {
-      const bool is_commit = (OB_SUCCESS == ret);
-      int tmp_ret = trans.end(is_commit);
-      if (OB_SUCCESS != tmp_ret) {
-        LOG_WARN("end trans failed", K(tmp_ret), K(is_commit));
-        ret = (OB_SUCCESS == ret) ? tmp_ret : ret;
-      } else {
-      }
-    }
-  }
-
-  const int64_t now = ObTimeUtility::current_time();
-  LOG_INFO("batch create schema finish", K(ret), "table_count", end - begin, "total_time_used", now - begin_time);
-  //BOOTSTRAP_CHECK_SUCCESS();
-  return ret;
-}
-
-int parallel_create_table_schema(uint64_t tenant_id, ObDDLService &ddl_service, ObIArray<ObTableSchema> &table_schemas)
-{
-  int ret = OB_SUCCESS;
-  int64_t begin = 0;
-  int64_t batch_count = table_schemas.count() / 16;
-  const int64_t MAX_RETRY_TIMES = 10;
-  int64_t finish_cnt = 0;
-  std::vector<std::thread> ths;
-  ObCurTraceId::TraceId *cur_trace_id = ObCurTraceId::get_trace_id();
-  for (int64_t i = 0; OB_SUCC(ret) && i < table_schemas.count(); ++i) {
-    if (table_schemas.count() == (i + 1) || (i + 1 - begin) >= batch_count) {
-      std::thread th([&, begin, i, cur_trace_id] () {
-        int ret = OB_SUCCESS;
-        ObCurTraceId::set(*cur_trace_id);
-        int64_t retry_times = 1;
-        while (OB_SUCC(ret)) {
-          if (OB_FAIL(batch_create_schema_local(tenant_id, ddl_service, table_schemas, begin, i + 1))) {
-            LOG_WARN("batch create schema failed", K(ret), "table count", i + 1 - begin);
-            // bugfix:
-            if (retry_times <= MAX_RETRY_TIMES) {
-              retry_times++;
-              ret = OB_SUCCESS;
-              LOG_INFO("schema error while create table, need retry", KR(ret), K(retry_times));
-              usleep(1 * 1000 * 1000L); // 1s
-            }
-          } else {
-            ATOMIC_AAF(&finish_cnt, i + 1 - begin);
-            break;
-          }
-        }
-        LOG_INFO("worker job", K(begin), K(i), K(i-begin), K(ret));
-      });
-      ths.push_back(std::move(th));
-      if (OB_SUCC(ret)) {
-        begin = i + 1;
-      }
-    }
-  }
-  for (auto &th : ths) {
-    th.join();
-  }
-  if (finish_cnt != table_schemas.count()) {
-    ret = OB_ERR_UNEXPECTED;
-    LOG_WARN("parallel_create_table_schema fail", K(finish_cnt), K(table_schemas.count()), K(ret), K(tenant_id));
-  }
-  return ret;
-}
-
-int ObBootstrap::create_all_schema(ObDDLService &ddl_service,
-                                   ObIArray<ObTableSchema> &table_schemas)
-{
-  int ret = OB_SUCCESS;
-  const int64_t begin_time = ObTimeUtility::current_time();
-  LOG_INFO("start create all schemas", "table count", table_schemas.count());
-  if (table_schemas.count() <= 0) {
-    ret = OB_INVALID_ARGUMENT;
-    LOG_WARN("table_schemas is empty", K(table_schemas), K(ret));
-  } else {
-    // persist __all_core_table's schema in inner table, which is only used for sys views.
-    HEAP_VAR(ObTableSchema, core_table) {
-       ObArray<ObTableSchema> tmp_tables;
-      if (OB_FAIL(share::ObInnerTableSchema::all_core_table_schema(core_table))) {
-        LOG_WARN("fail to construct __all_core_table's schema", KR(ret), K(core_table));
-      } else if (OB_FAIL(tmp_tables.push_back(core_table))) {
-        LOG_WARN("fail to push back __all_core_table's schema", KR(ret), K(core_table));
-      } else if (OB_FAIL(batch_create_schema_local(OB_SYS_TENANT_ID, ddl_service, tmp_tables, 0, 1))) {
-        LOG_WARN("fail to create __all_core_table's schema", KR(ret), K(core_table));
-      }
-    }
-    if (OB_FAIL(ret)) {
-    } else if (OB_FAIL(parallel_create_table_schema(OB_SYS_TENANT_ID, ddl_service, table_schemas))) {
-      LOG_WARN("create_all_schema", K(ret));
-    }
-  }
-  LOG_INFO("end create all schemas", K(ret), "table count", table_schemas.count(),
-           "time_used", ObTimeUtility::current_time() - begin_time);
-  return ret;
-}
-
-/*
-int ObDDLService::create_sys_table_schemas(
-    ObDDLOperator &ddl_operator,
-    ObMySQLTransaction &trans,
-    common::ObIArray<ObTableSchema> &tables)
-{
-  int ret = OB_SUCCESS;
-  if (OB_FAIL(check_inner_stat())) {
-    LOG_WARN("variable is not init", KR(ret));
-  } else if (OB_ISNULL(sql_proxy_) || OB_ISNULL(schema_service_) || tables.count() == 0) {
-    ret = OB_ERR_UNEXPECTED;
-    LOG_WARN("ptr is null", KR(ret), KP_(sql_proxy), KP_(schema_service));
-  } else if (OB_FAIL(parallel_create_table_schema(tables.at(0).get_tenant_id(), *this, tables))) {
-    LOG_WARN("create_sys_table_schemas", K(ret));
-  }
-  return ret;
-}
-*/
-
-
-} // end rootserver
-
-namespace share
-{
-namespace schema
-{
-
-common::SpinRWLock lock_for_schema_version;
-int ObSchemaServiceSQLImpl::gen_new_schema_version(
-    uint64_t tenant_id,
-    int64_t refreshed_schema_version,
-    int64_t &schema_version)
-{
-  int ret = OB_SUCCESS;
-  schema_version = OB_INVALID_VERSION;
-  SpinWLockGuard guard(lock_for_schema_version);
-  if (OB_INVALID_TENANT_ID == tenant_id) {
-    ret = OB_INVALID_ARGUMENT;
-    LOG_WARN("invalid tenant_id", K(ret), K(tenant_id));
-  } else {
-    if (is_sys_tenant(tenant_id)) {
-      if (OB_FAIL(gen_leader_sys_schema_version(tenant_id, schema_version))) {
-          LOG_WARN("failed to gen leader sys tenant_id schema version", K(ret), K(tenant_id));
-      }
-    } else {
-      // normal tenant
-      if (OB_FAIL(gen_leader_normal_schema_version(tenant_id, refreshed_schema_version, schema_version))) {
-        LOG_WARN("failed to gen leader normal schema version", K(ret), K(tenant_id), K(refreshed_schema_version));
-      }
-
-    }
-  }
-  if (OB_FAIL(ret)) {
-  } else {
-    LOG_INFO("new schema version", K(schema_version), "this", OB_P(this));
-  }
-  return ret;
-}
-}
-}
-
-} // end oceanbase
diff --git a/mittest/simple_server/test_keep_alive_min_start_scn.cpp b/mittest/simple_server/test_keep_alive_min_start_scn.cpp
index ab3ef9d28c..a8d95186d4 100644
--- a/mittest/simple_server/test_keep_alive_min_start_scn.cpp
+++ b/mittest/simple_server/test_keep_alive_min_start_scn.cpp
@@ -16,7 +16,6 @@
 #define private public
 
 #include "env/ob_simple_cluster_test_base.h"
-#include "env/ob_fast_bootstrap.h"
 #include "lib/mysqlclient/ob_mysql_result.h"
 #include "storage/tx/ob_tx_loop_worker.h"
 #include "storage/tx_storage/ob_ls_map.h"
diff --git a/mittest/simple_server/test_mds_table_checkpoint.cpp b/mittest/simple_server/test_mds_table_checkpoint.cpp
index 518159d2d0..296d4a7a0f 100644
--- a/mittest/simple_server/test_mds_table_checkpoint.cpp
+++ b/mittest/simple_server/test_mds_table_checkpoint.cpp
@@ -16,7 +16,6 @@
 #define private public
 
 #include "env/ob_simple_cluster_test_base.h"
-#include "env/ob_fast_bootstrap.h"
 #include "lib/mysqlclient/ob_mysql_result.h"
 
 #include "storage/ls/ob_ls.h"
diff --git a/mittest/simple_server/test_mds_transaction.cpp b/mittest/simple_server/test_mds_transaction.cpp
index b13c7a585b..09608578fe 100644
--- a/mittest/simple_server/test_mds_transaction.cpp
+++ b/mittest/simple_server/test_mds_transaction.cpp
@@ -23,7 +23,6 @@
 #include "lib/utility/serialization.h"
 #include "share/cache/ob_kv_storecache.h"
 #include "env/ob_simple_cluster_test_base.h"
-#include "env/ob_fast_bootstrap.h"
 #include "lib/mysqlclient/ob_mysql_result.h"
 #include "storage/multi_data_source/mds_table_handle.h"
 #include "storage/tx_storage/ob_ls_handle.h"
diff --git a/mittest/simple_server/test_ob_detect_manager_in_simple_server.cpp b/mittest/simple_server/test_ob_detect_manager_in_simple_server.cpp
index a95d168783..9c3fed6534 100644
--- a/mittest/simple_server/test_ob_detect_manager_in_simple_server.cpp
+++ b/mittest/simple_server/test_ob_detect_manager_in_simple_server.cpp
@@ -23,7 +23,6 @@
 
 // simple server
 #include "env/ob_simple_cluster_test_base.h"
-#include "env/ob_fast_bootstrap.h"
 #include "lib/mysqlclient/ob_mysql_result.h"
 
 using namespace oceanbase;
diff --git a/mittest/simple_server/test_ob_partition_balance.cpp b/mittest/simple_server/test_ob_partition_balance.cpp
index 8e18d36f7c..ea945cc411 100644
--- a/mittest/simple_server/test_ob_partition_balance.cpp
+++ b/mittest/simple_server/test_ob_partition_balance.cpp
@@ -16,7 +16,6 @@
 #define private public
 
 #include "env/ob_simple_cluster_test_base.h"
-#include "env/ob_fast_bootstrap.h"
 #include "lib/mysqlclient/ob_mysql_result.h"
 #include "rootserver/ob_partition_balance.h"
 #include "storage/tx_storage/ob_ls_service.h"
diff --git a/mittest/simple_server/test_ob_simple_cluster.cpp b/mittest/simple_server/test_ob_simple_cluster.cpp
index 51cf9fdf26..2c2c684118 100644
--- a/mittest/simple_server/test_ob_simple_cluster.cpp
+++ b/mittest/simple_server/test_ob_simple_cluster.cpp
@@ -16,7 +16,6 @@
 #define private public
 
 #include "env/ob_simple_cluster_test_base.h"
-#include "env/ob_fast_bootstrap.h"
 #include "lib/mysqlclient/ob_mysql_result.h"
 
 namespace oceanbase
diff --git a/unittest/storage/memtable/test_memtable_basic.cpp b/unittest/storage/memtable/test_memtable_basic.cpp
index b9d2fc1369..7ca9d43e3b 100644
--- a/unittest/storage/memtable/test_memtable_basic.cpp
+++ b/unittest/storage/memtable/test_memtable_basic.cpp
@@ -88,6 +88,12 @@ int ObTxTableGuard::init(ObTxTable *tx_table)
   return OB_SUCCESS;
 }
 
+int ObReadInfoStruct::init_compat_version()
+{
+  compat_version_ = READ_INFO_VERSION_V1;
+  return OB_SUCCESS;
+}
+
 } // end storage
 
 namespace memtable
@@ -188,10 +194,10 @@ public:
     // iter_param_.rowkey_cnt_ = rowkey_cnt_;
     iter_param_.tablet_id_ = tablet_id_;
     iter_param_.table_id_ = tablet_id_.id();
-    read_info_.init(allocator_, 16000, rowkey_cnt_, false, columns_, nullptr/*storage_cols_index*/);
+    int ret = read_info_.init(allocator_, 16000, rowkey_cnt_, false, columns_, nullptr/*storage_cols_index*/);
     iter_param_.read_info_ = &read_info_;
 
-    return OB_SUCCESS;
+    return ret;
   }
 
   void prepare_schema(share::schema::ObTableSchema &table_schema)