diff --git a/br/pkg/lightning/backend/local/mockserver/import_server.go b/br/pkg/lightning/backend/local/mockserver/import_server.go
new file mode 100644
index 0000000000000..37defe7955062
--- /dev/null
+++ b/br/pkg/lightning/backend/local/mockserver/import_server.go
@@ -0,0 +1,160 @@
+// Copyright 2023 PingCAP, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package mockserver
+
+import (
+	"context"
+	"fmt"
+	"io"
+
+	"github.com/pingcap/kvproto/pkg/import_sstpb"
+	"google.golang.org/grpc/metadata"
+)
+
+type WriteServer struct{}
+
+func (w *WriteServer) SendAndClose(response *import_sstpb.WriteResponse) error {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (w *WriteServer) Recv() (*import_sstpb.WriteRequest, error) {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (w *WriteServer) SetHeader(md metadata.MD) error {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (w *WriteServer) SendHeader(md metadata.MD) error {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (w *WriteServer) SetTrailer(md metadata.MD) {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (w *WriteServer) Context() context.Context {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (w *WriteServer) SendMsg(m interface{}) error {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (w *WriteServer) RecvMsg(m interface{}) error {
+	//TODO implement me
+	panic("implement me")
+}
+
+type MockImportSSTServer struct{}
+
+func (m *MockImportSSTServer) SwitchMode(ctx context.Context, request *import_sstpb.SwitchModeRequest) (*import_sstpb.SwitchModeResponse, error) {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (m *MockImportSSTServer) GetMode(ctx context.Context, request *import_sstpb.GetModeRequest) (*import_sstpb.GetModeResponse, error) {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (m *MockImportSSTServer) Upload(server import_sstpb.ImportSST_UploadServer) error {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (m *MockImportSSTServer) Ingest(ctx context.Context, request *import_sstpb.IngestRequest) (*import_sstpb.IngestResponse, error) {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (m *MockImportSSTServer) Compact(ctx context.Context, request *import_sstpb.CompactRequest) (*import_sstpb.CompactResponse, error) {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (m *MockImportSSTServer) SetDownloadSpeedLimit(ctx context.Context, request *import_sstpb.SetDownloadSpeedLimitRequest) (*import_sstpb.SetDownloadSpeedLimitResponse, error) {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (m *MockImportSSTServer) Download(ctx context.Context, request *import_sstpb.DownloadRequest) (*import_sstpb.DownloadResponse, error) {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (m *MockImportSSTServer) Write(server import_sstpb.ImportSST_WriteServer) error {
+	fmt.Println("Write")
+	for {
+		request, err := server.Recv()
+		if err == io.EOF {
+			fmt.Println("EOF")
+			return nil
+		}
+		if err != nil {
+			fmt.Printf("err: %v\n", err)
+			return err
+		}
+		if meta := request.GetMeta(); meta != nil {
+			fmt.Printf("meta: %v\n", meta.String())
+		}
+		if batch := request.GetBatch(); batch != nil {
+			fmt.Printf("chunk: %v\n", batch.String())
+		}
+		err = server.SendAndClose(&import_sstpb.WriteResponse{
+			Metas: []*import_sstpb.SSTMeta{
+				{
+					Uuid: []byte("got"),
+				},
+			},
+		})
+		if err != nil {
+			fmt.Printf("err: %v\n", err)
+			return err
+		}
+	}
+}
+
+func (m *MockImportSSTServer) RawWrite(server import_sstpb.ImportSST_RawWriteServer) error {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (m *MockImportSSTServer) MultiIngest(ctx context.Context, request *import_sstpb.MultiIngestRequest) (*import_sstpb.IngestResponse, error) {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (m *MockImportSSTServer) DuplicateDetect(request *import_sstpb.DuplicateDetectRequest, server import_sstpb.ImportSST_DuplicateDetectServer) error {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (m *MockImportSSTServer) Apply(ctx context.Context, request *import_sstpb.ApplyRequest) (*import_sstpb.ApplyResponse, error) {
+	//TODO implement me
+	panic("implement me")
+}
+
+func (m *MockImportSSTServer) ClearFiles(ctx context.Context, request *import_sstpb.ClearRequest) (*import_sstpb.ClearResponse, error) {
+	//TODO implement me
+	panic("implement me")
+}
diff --git a/br/pkg/lightning/backend/local/mockserver/main/main.go b/br/pkg/lightning/backend/local/mockserver/main/main.go
new file mode 100644
index 0000000000000..47cb4628bc891
--- /dev/null
+++ b/br/pkg/lightning/backend/local/mockserver/main/main.go
@@ -0,0 +1,42 @@
+// Copyright 2023 PingCAP, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+import (
+	"fmt"
+	"log"
+	"net"
+	"os"
+
+	"github.com/pingcap/kvproto/pkg/import_sstpb"
+	"github.com/pingcap/tidb/br/pkg/lightning/backend/local/mockserver"
+	"google.golang.org/grpc"
+)
+
+func main() {
+	portStr := os.Args[1]
+	lis, err := net.Listen("tcp", ":"+portStr)
+	if err != nil {
+		log.Fatal(err)
+	}
+	fmt.Println(lis.Addr().String())
+	fmt.Printf("PID: %d\n", os.Getpid())
+
+	server := grpc.NewServer()
+	import_sstpb.RegisterImportSSTServer(server, &mockserver.MockImportSSTServer{})
+	if err := server.Serve(lis); err != nil {
+		log.Fatal(err)
+	}
+}
diff --git a/br/pkg/lightning/backend/local/mockserver/main2/main.go b/br/pkg/lightning/backend/local/mockserver/main2/main.go
new file mode 100644
index 0000000000000..7306ba71a43c1
--- /dev/null
+++ b/br/pkg/lightning/backend/local/mockserver/main2/main.go
@@ -0,0 +1,60 @@
+// Copyright 2023 PingCAP, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+import (
+	"context"
+	"fmt"
+	"os"
+
+	sst "github.com/pingcap/kvproto/pkg/import_sstpb"
+	"github.com/pingcap/log"
+	"go.uber.org/zap"
+	"google.golang.org/grpc"
+)
+
+func main() {
+	ctx := context.Background()
+
+	conn, err := grpc.DialContext(ctx, os.Args[1], grpc.WithInsecure())
+	if err != nil {
+		log.Fatal("fail to dial", zap.Error(err))
+	}
+	for {
+		client := sst.NewImportSSTClient(conn)
+		stream, err := client.Write(ctx)
+		if err != nil {
+			log.Error("fail to write", zap.Error(err))
+			continue
+		}
+		err = stream.Send(&sst.WriteRequest{
+			Chunk: &sst.WriteRequest_Meta{
+				Meta: &sst.SSTMeta{
+					Uuid: []byte("test"),
+				},
+			},
+		})
+		if err != nil {
+			log.Error("fail to send", zap.Error(err))
+			continue
+		}
+		resp, err := stream.CloseAndRecv()
+		if err != nil {
+			log.Error("fail to close and recv", zap.Error(err))
+			continue
+		}
+		fmt.Printf("resp: %v\n", resp)
+	}
+}
diff --git a/br/pkg/lightning/backend/local/region_job_test.go b/br/pkg/lightning/backend/local/region_job_test.go
index fd508372ef9f9..a342e61893729 100644
--- a/br/pkg/lightning/backend/local/region_job_test.go
+++ b/br/pkg/lightning/backend/local/region_job_test.go
@@ -16,6 +16,7 @@ package local
 
 import (
 	"context"
+	"fmt"
 	"sync"
 	"testing"
 	"time"
@@ -25,6 +26,7 @@ import (
 	"github.com/pingcap/kvproto/pkg/metapb"
 	"github.com/pingcap/tidb/br/pkg/restore/split"
 	"github.com/stretchr/testify/require"
+	"google.golang.org/grpc"
 )
 
 func TestIsIngestRetryable(t *testing.T) {
@@ -257,3 +259,27 @@ func TestRegionJobRetryer(t *testing.T) {
 	cancel()
 	jobWg.Wait()
 }
+
+func TestWriteWhenServerIsGone(t *testing.T) {
+	//t.Skip("need mock server")
+
+	ctx := context.Background()
+	conn, err := grpc.DialContext(ctx, "[::]:40401", grpc.WithInsecure())
+	require.NoError(t, err)
+	for {
+		client := sst.NewImportSSTClient(conn)
+		stream, err := client.Write(ctx)
+		require.NoError(t, err)
+		err = stream.Send(&sst.WriteRequest{
+			Chunk: &sst.WriteRequest_Meta{
+				Meta: &sst.SSTMeta{
+					Uuid: []byte("test"),
+				},
+			},
+		})
+		require.NoError(t, err)
+		resp, err := stream.CloseAndRecv()
+		require.NoError(t, err)
+		fmt.Printf("resp: %v\n", resp)
+	}
+}