diff --git a/src/master/master_impl.cc b/src/master/master_impl.cc
index 4b03f540e..0a56fa67a 100644
--- a/src/master/master_impl.cc
+++ b/src/master/master_impl.cc
@@ -49,6 +49,7 @@ DECLARE_string(tera_master_meta_table_path);
 DECLARE_int32(tera_master_meta_retry_times);
 
 DECLARE_bool(tera_zk_enabled);
+DECLARE_bool(tera_mock_zk_enabled);
 
 DECLARE_double(tera_master_workload_split_threshold);
 DECLARE_int64(tera_master_split_tablet_size);
@@ -91,6 +92,7 @@ DECLARE_string(tera_zk_root_path);
 DECLARE_string(tera_zk_addr_list);
 DECLARE_string(tera_local_addr);
 DECLARE_bool(tera_ins_enabled);
+DECLARE_bool(tera_mock_ins_enabled);
 
 DECLARE_int64(tera_sdk_perf_counter_log_interval);
 
@@ -171,6 +173,12 @@ bool MasterImpl::Init() {
     } else if (FLAGS_tera_ins_enabled) {
         LOG(INFO) << "ins mode" ;
         zk_adapter_.reset(new InsMasterZkAdapter(this, local_addr_));
+    } else if (FLAGS_tera_mock_zk_enabled) {
+        LOG(INFO) << "mock zk mode" ;
+        zk_adapter_.reset(new MockMasterZkAdapter(this, local_addr_));
+    } else if (FLAGS_tera_mock_ins_enabled) {
+        LOG(INFO) << "mock ins mode" ;
+        zk_adapter_.reset(new MockInsMasterZkAdapter(this, local_addr_));
     } else {
         LOG(INFO) << "fake zk mode!";
         zk_adapter_.reset(new FakeMasterZkAdapter(this, local_addr_));
diff --git a/src/master/master_zk_adapter.h b/src/master/master_zk_adapter.h
index 8d88301f9..618dbc984 100644
--- a/src/master/master_zk_adapter.h
+++ b/src/master/master_zk_adapter.h
@@ -52,28 +52,28 @@ class MasterZkAdapter : public MasterZkAdapterBase {
     virtual bool UpdateRootTabletNode(const std::string& root_tablet_addr);
 
 protected:
-    bool Setup();
-    void Reset();
-
-    bool LockMasterLock();
-    bool UnlockMasterLock();
-    bool CreateMasterNode();
-    bool DeleteMasterNode();
-
-    bool WatchRootTabletNode(bool* is_exist, std::string* root_tablet_addr);
-    bool WatchSafeModeMark(bool* is_safemode);
-    bool WatchTabletNodeList(std::map<std::string, std::string>* tabletnode_list);
-
-    void OnSafeModeMarkCreated();
-    void OnSafeModeMarkDeleted();
-    void OnMasterLockLost();
-    void OnTabletNodeListDeleted();
-    void OnRootTabletNodeDeleted();
-    void OnMasterNodeDeleted();
-    void OnTabletServerKickMarkCreated();
-    void OnTabletServerKickMarkDeleted();
-    void OnTabletServerStart(const std::string& ts_host);
-    void OnTabletServerExist(const std::string& ts_host);
+    virtual bool Setup();
+    virtual void Reset();
+
+    virtual bool LockMasterLock();
+    virtual bool UnlockMasterLock();
+    virtual bool CreateMasterNode();
+    virtual bool DeleteMasterNode();
+
+    virtual bool WatchRootTabletNode(bool* is_exist, std::string* root_tablet_addr);
+    virtual bool WatchSafeModeMark(bool* is_safemode);
+    virtual bool WatchTabletNodeList(std::map<std::string, std::string>* tabletnode_list);
+
+    virtual void OnSafeModeMarkCreated();
+    virtual void OnSafeModeMarkDeleted();
+    virtual void OnMasterLockLost();
+    virtual void OnTabletNodeListDeleted();
+    virtual void OnRootTabletNodeDeleted();
+    virtual void OnMasterNodeDeleted();
+    virtual void OnTabletServerKickMarkCreated();
+    virtual void OnTabletServerKickMarkDeleted();
+    virtual void OnTabletServerStart(const std::string& ts_host);
+    virtual void OnTabletServerExist(const std::string& ts_host);
 
     virtual void OnChildrenChanged(const std::string& path,
                                    const std::vector<std::string>& name_list,
@@ -92,6 +92,13 @@ class MasterZkAdapter : public MasterZkAdapterBase {
     std::string server_addr_;
 };
 
+class MockMasterZkAdapter : public MasterZkAdapter {
+public:
+    MockMasterZkAdapter(MasterImpl* master_impl, const std::string & server_addr) :
+        MasterZkAdapter(master_impl, server_addr) {}
+    virtual ~MockMasterZkAdapter() {}
+};
+
 /*
  * This is not zookeeper!
  * Just used on onebox for tasting tera briefly.
@@ -167,6 +174,13 @@ class InsMasterZkAdapter: public MasterZkAdapterBase {
     galaxy::ins::sdk::InsSDK* ins_sdk_;
 };
 
+class MockInsMasterZkAdapter : public InsMasterZkAdapter {
+public:
+    MockInsMasterZkAdapter(MasterImpl* master_impl, const std::string& server_addr) :
+        InsMasterZkAdapter(master_impl, server_addr) {}
+    virtual ~MockInsMasterZkAdapter() {}
+};
+
 } // namespace master
 } // namespace tera
 
diff --git a/src/sdk/sdk_zk.cc b/src/sdk/sdk_zk.cc
index 5a3e858f9..e08bb6c9b 100644
--- a/src/sdk/sdk_zk.cc
+++ b/src/sdk/sdk_zk.cc
@@ -15,11 +15,13 @@
 DECLARE_string(tera_zk_lib_log_path);
 DECLARE_string(tera_fake_zk_path_prefix);
 DECLARE_bool(tera_zk_enabled);
+DECLARE_bool(tera_mock_zk_enabled);
 DECLARE_string(tera_zk_addr_list);
 DECLARE_string(tera_zk_root_path);
 DECLARE_bool(tera_ins_enabled);
 DECLARE_string(tera_ins_root_path);
 DECLARE_string(tera_ins_addr_list);
+DECLARE_bool(tera_mock_ins_enabled);
 
 namespace tera {
 namespace sdk {
@@ -121,12 +123,16 @@ bool FakeZkClusterFinder::ReadNode(const std::string& name, std::string* value)
 }
 
 ClusterFinder* NewClusterFinder() {
-    if (FLAGS_tera_ins_enabled) {
+    if (FLAGS_tera_zk_enabled) {
+        return new sdk::ZkClusterFinder(FLAGS_tera_zk_root_path, FLAGS_tera_zk_addr_list);
+    } else if (FLAGS_tera_ins_enabled) {
         return new sdk::InsClusterFinder(FLAGS_tera_ins_root_path, FLAGS_tera_ins_addr_list);
-    } else if (!FLAGS_tera_zk_enabled) {
-        return new sdk::FakeZkClusterFinder(FLAGS_tera_fake_zk_path_prefix);
+    } else if (FLAGS_tera_mock_zk_enabled) {
+        return new sdk::MockZkClusterFinder(FLAGS_tera_zk_root_path, FLAGS_tera_zk_addr_list);
+    } else if (FLAGS_tera_mock_ins_enabled) {
+        return new sdk::MockInsClusterFinder(FLAGS_tera_ins_root_path, FLAGS_tera_ins_addr_list);
     } else {
-        return new sdk::ZkClusterFinder(FLAGS_tera_zk_root_path, FLAGS_tera_zk_addr_list);
+        return new sdk::FakeZkClusterFinder(FLAGS_tera_fake_zk_path_prefix);
     }
 }
 
diff --git a/src/sdk/sdk_zk.h b/src/sdk/sdk_zk.h
index 5b06b20cc..dc199abe6 100644
--- a/src/sdk/sdk_zk.h
+++ b/src/sdk/sdk_zk.h
@@ -21,12 +21,13 @@ class ClusterFinder
     std::string RootTableAddr(bool update = false);
     std::string ClusterId(); // cluster URI: <scheme>://<authority>/<path>
 
-private:
+protected:
     virtual bool ReadNode(const std::string& path, std::string* value) = 0;
     virtual std::string Name() = 0;
     virtual std::string Authority() = 0;
     virtual std::string Path() = 0;
 
+private:
     mutable Mutex mutex_;
     std::string master_addr_;
     std::string root_table_addr_;
@@ -35,35 +36,54 @@ class ClusterFinder
 class ZkClusterFinder : public ClusterFinder {
 public:
     ZkClusterFinder(const std::string& zk_root_path, const std::string& zk_addr_list);
-private:
+protected:
     virtual bool ReadNode(const std::string& path, std::string* value);
     virtual std::string Name() { return "zk"; };
     virtual std::string Authority() { return zk_addr_list_; }
     virtual std::string Path() { return zk_root_path_; }
+private:
     std::string zk_root_path_;
     std::string zk_addr_list_;
 };
 
+class MockZkClusterFinder : public ZkClusterFinder {
+public:
+    MockZkClusterFinder(const std::string& zk_root_path, const std::string& zk_addr_list) :
+        ZkClusterFinder(zk_root_path, zk_addr_list) {}
+protected:
+    virtual std::string Name() { return "mock zk"; }
+};
+
 class InsClusterFinder : public ClusterFinder {
 public:
     InsClusterFinder(const std::string& ins_root_path, const std::string& ins_addr_list);
-private:
+protected:
     virtual bool ReadNode(const std::string& path, std::string* value);
-    virtual std::string Name() { return "ins"; };
+    virtual std::string Name() { return "ins"; }
     virtual std::string Authority() { return ins_addr_list_; }
     virtual std::string Path() { return ins_root_path_; }
+private:
     std::string ins_root_path_;
     std::string ins_addr_list_;
 };
 
+class MockInsClusterFinder : public InsClusterFinder {
+public:
+    MockInsClusterFinder(const std::string& ins_root_path, const std::string& ins_addr_list) :
+        InsClusterFinder(ins_root_path, ins_addr_list) {}
+protected:
+    virtual std::string Name() { return "mock ins"; }
+};
+
 class FakeZkClusterFinder : public ClusterFinder {
 public:
     FakeZkClusterFinder(const std::string& fake_zk_path_prefix);
-private:
+protected:
     virtual bool ReadNode(const std::string& path, std::string* value);
     virtual std::string Name() { return "fakezk"; };
     virtual std::string Authority() { return "localhost"; }
     virtual std::string Path() { return fake_zk_path_prefix_; }
+private:
     std::string fake_zk_path_prefix_;
 };
 
diff --git a/src/tabletnode/tabletnode_impl.cc b/src/tabletnode/tabletnode_impl.cc
index 07884ee3e..c472b9732 100644
--- a/src/tabletnode/tabletnode_impl.cc
+++ b/src/tabletnode/tabletnode_impl.cc
@@ -49,6 +49,7 @@ DECLARE_int32(tera_tabletnode_impl_thread_min_num);
 DECLARE_int32(tera_tabletnode_impl_thread_max_num);
 
 DECLARE_bool(tera_zk_enabled);
+DECLARE_bool(tera_mock_zk_enabled);
 
 DECLARE_string(tera_master_meta_table_name);
 DECLARE_int32(tera_tabletnode_retry_period);
@@ -82,6 +83,7 @@ DECLARE_int32(tera_tabletnode_gc_log_level);
 DECLARE_string(tera_leveldb_env_type);
 DECLARE_string(tera_local_addr);
 DECLARE_bool(tera_ins_enabled);
+DECLARE_bool(tera_mock_ins_enabled);
 
 DECLARE_bool(tera_io_cache_path_vanish_allowed);
 DECLARE_int64(tera_tabletnode_tcm_cache_size);
@@ -160,6 +162,12 @@ bool TabletNodeImpl::Init() {
     } else if(FLAGS_tera_ins_enabled) {
         LOG(INFO) << "ins mode!";
         zk_adapter_.reset(new InsTabletNodeZkAdapter(this, local_addr_));
+    } else if (FLAGS_tera_mock_zk_enabled) {
+        LOG(INFO) << "mock zk mode!";
+        zk_adapter_.reset(new MockTabletNodeZkAdapter(this, local_addr_));
+    } else if (FLAGS_tera_mock_ins_enabled) {
+        LOG(INFO) << "mock ins mode!";
+        zk_adapter_.reset(new MockInsTabletNodeZkAdapter(this, local_addr_));
     } else {
         LOG(INFO) << "fake zk mode!";
         zk_adapter_.reset(new FakeTabletNodeZkAdapter(this, local_addr_));
diff --git a/src/tabletnode/tabletnode_zk_adapter.h b/src/tabletnode/tabletnode_zk_adapter.h
index 529bc231f..4c0d0cbe1 100644
--- a/src/tabletnode/tabletnode_zk_adapter.h
+++ b/src/tabletnode/tabletnode_zk_adapter.h
@@ -38,22 +38,22 @@ class TabletNodeZkAdapter : public TabletNodeZkAdapterBase {
     virtual bool GetRootTableAddr(std::string* root_table_addr);
 
 private:
-    bool Register(const std::string& session_id, int* zk_code);
-    bool Unregister(int* zk_code);
-
-    bool WatchMaster(std::string* master, int* zk_code);
-    bool WatchSafeModeMark(bool* is_exist, int* zk_code);
-    bool WatchKickMark(bool* is_exist, int* zk_code);
-    bool WatchSelfNode(bool* is_exist, int* zk_code);
-    bool WatchRootNode(bool* is_exist, std::string* root_tablet_addr, int* zk_errno);
-
-    void OnSafeModeMarkCreated();
-    void OnSafeModeMarkDeleted();
-    void OnKickMarkCreated();
-    void OnSelfNodeDeleted();
-    void OnRootNodeCreated();
-    void OnRootNodeDeleted();
-    void OnRootNodeChanged(const std::string& root_tablet_addr);
+    virtual bool Register(const std::string& session_id, int* zk_code);
+    virtual bool Unregister(int* zk_code);
+
+    virtual bool WatchMaster(std::string* master, int* zk_code);
+    virtual bool WatchSafeModeMark(bool* is_exist, int* zk_code);
+    virtual bool WatchKickMark(bool* is_exist, int* zk_code);
+    virtual bool WatchSelfNode(bool* is_exist, int* zk_code);
+    virtual bool WatchRootNode(bool* is_exist, std::string* root_tablet_addr, int* zk_errno);
+
+    virtual void OnSafeModeMarkCreated();
+    virtual void OnSafeModeMarkDeleted();
+    virtual void OnKickMarkCreated();
+    virtual void OnSelfNodeDeleted();
+    virtual void OnRootNodeCreated();
+    virtual void OnRootNodeDeleted();
+    virtual void OnRootNodeChanged(const std::string& root_tablet_addr);
 
     virtual void OnChildrenChanged(const std::string& path,
                                    const std::vector<std::string>& name_list,
@@ -72,6 +72,19 @@ class TabletNodeZkAdapter : public TabletNodeZkAdapterBase {
     std::string kick_node_path_;
 };
 
+class MockTabletNodeZkAdapter : public TabletNodeZkAdapter {
+public:
+    MockTabletNodeZkAdapter(TabletNodeImpl* tabletnode_impl,
+                        const std::string & server_addr) :
+        TabletNodeZkAdapter(tabletnode_impl, server_addr) {}
+    virtual ~MockTabletNodeZkAdapter() {}
+private:
+    virtual void OnKickMarkCreated() {}
+    virtual void OnSelfNodeDeleted() {}
+    virtual void OnWatchFailed(const std::string& /*path*/, int /*watch_type*/, int /*err*/) {}
+    virtual void OnSessionTimeout() {}
+};
+
 class FakeTabletNodeZkAdapter : public TabletNodeZkAdapterBase {
 public:
     FakeTabletNodeZkAdapter(TabletNodeImpl* tabletnode_impl,
@@ -109,8 +122,8 @@ class InsTabletNodeZkAdapter : public TabletNodeZkAdapterBase {
     virtual ~InsTabletNodeZkAdapter() {}
     virtual void Init();
     virtual bool GetRootTableAddr(std::string* root_table_addr);
-    void OnKickMarkCreated();
-    void OnLockChange(std::string session_id, bool deleted);
+    virtual void OnKickMarkCreated();
+    virtual void OnLockChange(std::string session_id, bool deleted);
     void OnMetaChange(std::string meta_addr, bool deleted);
 private:
     virtual void OnChildrenChanged(const std::string& path,
@@ -132,6 +145,16 @@ class InsTabletNodeZkAdapter : public TabletNodeZkAdapterBase {
     galaxy::ins::sdk::InsSDK* ins_sdk_;
 };
 
+class MockInsTabletNodeZkAdapter : public InsTabletNodeZkAdapter {
+public:
+    MockInsTabletNodeZkAdapter(TabletNodeImpl* tabletnode_impl,
+                               const std::string& server_addr) :
+        InsTabletNodeZkAdapter(tabletnode_impl, server_addr) {}
+    virtual ~MockInsTabletNodeZkAdapter() {}
+    virtual void OnKickMarkCreated() {}
+    virtual void OnLockChange(std::string /*session_id*/, bool /*deleted*/) {}
+};
+
 } // namespace tabletnode
 } // namespace tera
 
diff --git a/src/tera_flags.cc b/src/tera_flags.cc
index d93d79f51..59d7b7a9e 100644
--- a/src/tera_flags.cc
+++ b/src/tera_flags.cc
@@ -20,6 +20,7 @@ DEFINE_int32(tera_heartbeat_retry_times, 5, "the max retry times when fail to se
 DEFINE_string(tera_working_dir, "./", "the base dir for system data");
 
 DEFINE_bool(tera_zk_enabled, true, "enable zk adapter to collaborate with other master instances");
+DEFINE_bool(tera_mock_zk_enabled, false, "enable mock zk adapter to collaborate with other master instances");
 DEFINE_string(tera_zk_addr_list, "localhost:2180", "zookeeper server list");
 DEFINE_string(tera_zk_root_path, "/tera", "zookeeper root path");
 DEFINE_string(tera_fake_zk_path_prefix, "../fakezk", "fake zk path prefix in onebox tera");
@@ -274,6 +275,7 @@ DEFINE_int64(batch_scan_delay_retry_in_us, 1000000, "timewait in us before retry
 DEFINE_string(tera_ins_addr_list, "", "the ins cluster addr. e.g. abc.com:1234,abb.com:1234");
 DEFINE_string(tera_ins_root_path, "", "root path on ins. e.g /ps/sandbox");
 DEFINE_bool(tera_ins_enabled, false, "option to open ins naming");
+DEFINE_bool(tera_mock_ins_enabled, false, "option to open mock ins naming");
 
 DEFINE_int64(tera_sdk_status_timeout, 600, "(s) check tablet/tabletnode status timeout");