diff --git a/pkg/configpb/configpb.pb.gw.go b/pkg/configpb/configpb.pb.gw.go
index c0385b0e4..9b4675b32 100644
--- a/pkg/configpb/configpb.pb.gw.go
+++ b/pkg/configpb/configpb.pb.gw.go
@@ -20,6 +20,7 @@ import (
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/grpclog"
+	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/status"
 )
 
@@ -30,6 +31,7 @@ var _ status.Status
 var _ = runtime.String
 var _ = utilities.NewDoubleArray
 var _ = descriptor.ForMessage
+var _ = metadata.Join
 
 var (
 	filter_Config_Get_0 = &utilities.DoubleArray{Encoding: map[string]int{}, Base: []int(nil), Check: []int(nil)}
@@ -55,7 +57,10 @@ func local_request_Config_Get_0(ctx context.Context, marshaler runtime.Marshaler
 	var protoReq GetRequest
 	var metadata runtime.ServerMetadata
 
-	if err := runtime.PopulateQueryParameters(&protoReq, req.URL.Query(), filter_Config_Get_0); err != nil {
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_Config_Get_0); err != nil {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
 	}
 
@@ -122,7 +127,10 @@ func local_request_Config_Delete_0(ctx context.Context, marshaler runtime.Marsha
 	var protoReq DeleteRequest
 	var metadata runtime.ServerMetadata
 
-	if err := runtime.PopulateQueryParameters(&protoReq, req.URL.Query(), filter_Config_Delete_0); err != nil {
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_Config_Delete_0); err != nil {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
 	}
 
@@ -134,11 +142,14 @@ func local_request_Config_Delete_0(ctx context.Context, marshaler runtime.Marsha
 // RegisterConfigHandlerServer registers the http handlers for service Config to "mux".
 // UnaryRPC     :call ConfigServer directly.
 // StreamingRPC :currently unsupported pending https://github.com/grpc/grpc-go/issues/906.
+// Note that using this registration option will cause many gRPC library features to stop working. Consider using RegisterConfigHandlerFromEndpoint instead.
 func RegisterConfigHandlerServer(ctx context.Context, mux *runtime.ServeMux, server ConfigServer) error {
 
 	mux.Handle("GET", pattern_Config_Get_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
 		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
 		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
 		if err != nil {
@@ -146,6 +157,7 @@ func RegisterConfigHandlerServer(ctx context.Context, mux *runtime.ServeMux, ser
 			return
 		}
 		resp, md, err := local_request_Config_Get_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
 		ctx = runtime.NewServerMetadataContext(ctx, md)
 		if err != nil {
 			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
@@ -159,6 +171,8 @@ func RegisterConfigHandlerServer(ctx context.Context, mux *runtime.ServeMux, ser
 	mux.Handle("POST", pattern_Config_Update_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
 		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
 		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
 		if err != nil {
@@ -166,6 +180,7 @@ func RegisterConfigHandlerServer(ctx context.Context, mux *runtime.ServeMux, ser
 			return
 		}
 		resp, md, err := local_request_Config_Update_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
 		ctx = runtime.NewServerMetadataContext(ctx, md)
 		if err != nil {
 			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
@@ -179,6 +194,8 @@ func RegisterConfigHandlerServer(ctx context.Context, mux *runtime.ServeMux, ser
 	mux.Handle("DELETE", pattern_Config_Delete_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
 		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
 		rctx, err := runtime.AnnotateIncomingContext(ctx, mux, req)
 		if err != nil {
@@ -186,6 +203,7 @@ func RegisterConfigHandlerServer(ctx context.Context, mux *runtime.ServeMux, ser
 			return
 		}
 		resp, md, err := local_request_Config_Delete_0(rctx, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
 		ctx = runtime.NewServerMetadataContext(ctx, md)
 		if err != nil {
 			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
diff --git a/pkg/tikvpb/tikvpb.pb.go b/pkg/tikvpb/tikvpb.pb.go
index 6ab9b8de1..03b0c0793 100644
--- a/pkg/tikvpb/tikvpb.pb.go
+++ b/pkg/tikvpb/tikvpb.pb.go
@@ -583,10 +583,11 @@ type BatchCommandsResponse struct {
 	Responses  []*BatchCommandsResponse_Response `protobuf:"bytes,1,rep,name=responses,proto3" json:"responses,omitempty"`
 	RequestIds []uint64                          `protobuf:"varint,2,rep,packed,name=request_ids,json=requestIds,proto3" json:"request_ids,omitempty"`
 	// 280 means TiKV gRPC cpu usage is 280%.
-	TransportLayerLoad   uint64   `protobuf:"varint,3,opt,name=transport_layer_load,json=transportLayerLoad,proto3" json:"transport_layer_load,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	TransportLayerLoad   uint64          `protobuf:"varint,3,opt,name=transport_layer_load,json=transportLayerLoad,proto3" json:"transport_layer_load,omitempty"`
+	HealthFeedback       *HealthFeedback `protobuf:"bytes,4,opt,name=health_feedback,json=healthFeedback,proto3" json:"health_feedback,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}        `json:"-"`
+	XXX_unrecognized     []byte          `json:"-"`
+	XXX_sizecache        int32           `json:"-"`
 }
 
 func (m *BatchCommandsResponse) Reset()         { *m = BatchCommandsResponse{} }
@@ -643,6 +644,13 @@ func (m *BatchCommandsResponse) GetTransportLayerLoad() uint64 {
 	return 0
 }
 
+func (m *BatchCommandsResponse) GetHealthFeedback() *HealthFeedback {
+	if m != nil {
+		return m.HealthFeedback
+	}
+	return nil
+}
+
 type BatchCommandsResponse_Response struct {
 	// Types that are valid to be assigned to Cmd:
 	//	*BatchCommandsResponse_Response_Get
@@ -1287,6 +1295,77 @@ func (m *BatchCommandsEmptyResponse) GetTestId() uint64 {
 	return 0
 }
 
+type HealthFeedback struct {
+	StoreId uint64 `protobuf:"varint,1,opt,name=store_id,json=storeId,proto3" json:"store_id,omitempty"`
+	// The sequence number of the feedback message.
+	// It's defined as an incrementing integer, starting from the unix timestamp (milliseconds) at
+	// the time that the TiKV node is started.
+	// This can be useful for filtering out out-of-order feedback messages.
+	// Note that considering the possibility of system clock changing, this field doesn't guarantee
+	// uniqueness and monotonic if the TiKV node is restarted.
+	FeedbackSeqNo uint64 `protobuf:"varint,2,opt,name=feedback_seq_no,json=feedbackSeqNo,proto3" json:"feedback_seq_no,omitempty"`
+	// The slow_score calculated in raftstore module. Due to some limitations of slow score, this would
+	// be replaced by `SlowTrend` in the future.
+	SlowScore            int32    `protobuf:"varint,3,opt,name=slow_score,json=slowScore,proto3" json:"slow_score,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *HealthFeedback) Reset()         { *m = HealthFeedback{} }
+func (m *HealthFeedback) String() string { return proto.CompactTextString(m) }
+func (*HealthFeedback) ProtoMessage()    {}
+func (*HealthFeedback) Descriptor() ([]byte, []int) {
+	return fileDescriptor_274fe050f0c997b3, []int{5}
+}
+func (m *HealthFeedback) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *HealthFeedback) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_HealthFeedback.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *HealthFeedback) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_HealthFeedback.Merge(m, src)
+}
+func (m *HealthFeedback) XXX_Size() int {
+	return m.Size()
+}
+func (m *HealthFeedback) XXX_DiscardUnknown() {
+	xxx_messageInfo_HealthFeedback.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_HealthFeedback proto.InternalMessageInfo
+
+func (m *HealthFeedback) GetStoreId() uint64 {
+	if m != nil {
+		return m.StoreId
+	}
+	return 0
+}
+
+func (m *HealthFeedback) GetFeedbackSeqNo() uint64 {
+	if m != nil {
+		return m.FeedbackSeqNo
+	}
+	return 0
+}
+
+func (m *HealthFeedback) GetSlowScore() int32 {
+	if m != nil {
+		return m.SlowScore
+	}
+	return 0
+}
+
 func init() {
 	proto.RegisterType((*BatchCommandsRequest)(nil), "tikvpb.BatchCommandsRequest")
 	proto.RegisterType((*BatchCommandsRequest_Request)(nil), "tikvpb.BatchCommandsRequest.Request")
@@ -1295,177 +1374,183 @@ func init() {
 	proto.RegisterType((*BatchRaftMessage)(nil), "tikvpb.BatchRaftMessage")
 	proto.RegisterType((*BatchCommandsEmptyRequest)(nil), "tikvpb.BatchCommandsEmptyRequest")
 	proto.RegisterType((*BatchCommandsEmptyResponse)(nil), "tikvpb.BatchCommandsEmptyResponse")
+	proto.RegisterType((*HealthFeedback)(nil), "tikvpb.HealthFeedback")
 }
 
 func init() { proto.RegisterFile("tikvpb.proto", fileDescriptor_274fe050f0c997b3) }
 
 var fileDescriptor_274fe050f0c997b3 = []byte{
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+	0x92, 0xf4, 0xbb, 0xfa, 0x17, 0x96, 0x4a, 0xad, 0x5f, 0x98, 0x54, 0x8a, 0x58, 0x17, 0x00, 0xbe,
+	0x0a, 0x08, 0xba, 0xc2, 0x87, 0x98, 0xd0, 0x28, 0x1c, 0xc6, 0xaf, 0x42, 0xd6, 0x99, 0xac, 0x32,
+	0x5b, 0x67, 0x6c, 0x36, 0x22, 0x01, 0x06, 0x2b, 0x55, 0xdc, 0x6a, 0x13, 0x8a, 0x23, 0x56, 0xdd,
+	0xbf, 0xbf, 0x8c, 0x31, 0x1b, 0x6e, 0x2b, 0xb5, 0x3f, 0xab, 0x4e, 0x93, 0x3c, 0x1d, 0x61, 0x25,
+	0xd2, 0xfc, 0x11, 0x2c, 0xf1, 0xd9, 0x69, 0x39, 0x1e, 0xeb, 0x4c, 0x61, 0x4b, 0xe0, 0x17, 0x99,
+	0xa8, 0xab, 0x54, 0xc5, 0xdd, 0x30, 0x3e, 0xa0, 0x44, 0x78, 0x5f, 0x19, 0x9c, 0xa9, 0xcc, 0xae,
+	0x92, 0xcd, 0x46, 0x24, 0xf8, 0x3d, 0x58, 0xac, 0x5c, 0x0f, 0x49, 0xbb, 0x81, 0x3a, 0xe2, 0x08,
+	0x56, 0x08, 0xd4, 0x50, 0xa5, 0xc1, 0x1f, 0x17, 0x58, 0x88, 0xd0, 0x5f, 0x69, 0xf7, 0x13, 0xd0,
+	0xfa, 0xdf, 0x3e, 0x9e, 0xfd, 0xbe, 0x82, 0x57, 0xa0, 0x25, 0xc5, 0xbb, 0x46, 0x23, 0x8c, 0xba,
+	0x3f, 0x33, 0xc6, 0xb3, 0x31, 0x78, 0x9e, 0xf4, 0x60, 0xea, 0x40, 0xd6, 0x35, 0xf3, 0x98, 0x4a,
+	0x44, 0x39, 0xb3, 0xa8, 0x94, 0x70, 0x35, 0xb3, 0x4b, 0x87, 0x23, 0xfe, 0x0b, 0xc4, 0x1b, 0xd5,
+	0xbf, 0xf3, 0xa2, 0x3f, 0xce, 0x1a, 0x3f, 0x58, 0xd0, 0x0d, 0x7a, 0xcb, 0x86, 0xee, 0x30, 0x0c,
+	0xb0, 0xef, 0xec, 0x8e, 0xc1, 0xaf, 0xc1, 0x8c, 0x68, 0x32, 0xa1, 0xab, 0xf5, 0xaa, 0x77, 0xf2,
+	0x7f, 0x09, 0xa6, 0x6b, 0x01, 0xea, 0x91, 0xeb, 0x90, 0xd1, 0xbd, 0x6e, 0x94, 0x2a, 0x4a, 0xd7,
+	0xfd, 0xe0, 0x26, 0x3f, 0x44, 0x03, 0xcc, 0xd7, 0xd1, 0x65, 0x07, 0x53, 0x11, 0x68, 0xdb, 0x30,
+	0xd5, 0xd5, 0x72, 0x8b, 0x15, 0x5b, 0xa5, 0x0b, 0xb4, 0x3b, 0xf6, 0x6c, 0x8c, 0x95, 0x9e, 0x5a,
+	0xaf, 0xc3, 0x88, 0xba, 0xc5, 0x78, 0x44, 0x96, 0x1e, 0x45, 0x9a, 0x2d, 0x3d, 0x9a, 0x52, 0x3b,
+	0xdc, 0x30, 0x6a, 0x9e, 0x06, 0x4d, 0xfc, 0x56, 0x3d, 0xdc, 0x52, 0x99, 0xe5, 0x70, 0x93, 0x2a,
+	0xb5, 0x46, 0x9f, 0x0f, 0x1a, 0x8d, 0x63, 0x4c, 0x0f, 0x86, 0x65, 0x3c, 0x54, 0x6a, 0xb4, 0x2a,
+	0xce, 0xd6, 0x68, 0x5d, 0xab, 0x6e, 0x44, 0xa1, 0xa9, 0x51, 0x14, 0xd1, 0x3a, 0x51, 0x36, 0xa2,
+	0xa9, 0xca, 0x6e, 0xc4, 0xac, 0x85, 0x02, 0xed, 0x73, 0x5a, 0xbf, 0x0f, 0x37, 0x8a, 0xfe, 0x4c,
+	0xc5, 0x7b, 0x58, 0xf8, 0x7f, 0x3e, 0xc9, 0xfb, 0x38, 0x01, 0x0b, 0x87, 0x6d, 0xd2, 0x63, 0x16,
+	0xe7, 0x95, 0x4a, 0x1d, 0x11, 0x46, 0xee, 0xdd, 0x5e, 0x6f, 0x2f, 0x95, 0x32, 0x91, 0x24, 0xf7,
+	0xac, 0x46, 0x8c, 0xee, 0x00, 0xcc, 0x95, 0x50, 0xd0, 0xc0, 0x9d, 0x34, 0xce, 0x03, 0x6e, 0x1d,
+	0xcb, 0xd4, 0x28, 0x6b, 0x19, 0xb9, 0x88, 0x51, 0x07, 0x0f, 0xbe, 0x25, 0x14, 0x5d, 0x76, 0xda,
+	0x84, 0x0d, 0xa7, 0x14, 0x06, 0x01, 0x6e, 0xd0, 0x18, 0x5c, 0x99, 0x93, 0x5d, 0x99, 0x06, 0x86,
+	0xdc, 0xe6, 0xbc, 0x52, 0x39, 0x44, 0x14, 0x55, 0x50, 0xe3, 0x06, 0x53, 0xbe, 0xdb, 0x3f, 0x03,
+	0x53, 0xa7, 0xe4, 0x65, 0xa7, 0x3d, 0xc0, 0x70, 0x99, 0x9b, 0x24, 0xbf, 0xe4, 0xad, 0x83, 0x26,
+	0x54, 0x46, 0xb3, 0x5c, 0xc5, 0xac, 0x7f, 0x4b, 0x66, 0x94, 0x74, 0xba, 0x1b, 0xdc, 0x3c, 0xd6,
+	0x48, 0xb1, 0x5c, 0x75, 0xbb, 0x56, 0x44, 0x3d, 0x01, 0xb3, 0xf1, 0x49, 0x81, 0x51, 0x13, 0x47,
+	0xca, 0x0e, 0x50, 0xa4, 0xd9, 0x1d, 0xa0, 0x29, 0x93, 0x1b, 0x9e, 0x32, 0x98, 0x3f, 0xc6, 0xb4,
+	0x46, 0xc3, 0x08, 0xd7, 0xd0, 0x15, 0xae, 0xd7, 0xd4, 0xed, 0x24, 0xa5, 0x96, 0xed, 0xa4, 0x2a,
+	0x93, 0x60, 0x75, 0xb0, 0x70, 0x8c, 0x29, 0x2b, 0xfd, 0x3f, 0xa2, 0x36, 0x3d, 0x0d, 0xae, 0x42,
+	0xe5, 0x8a, 0xc3, 0xd0, 0x64, 0xaf, 0x38, 0x32, 0x06, 0x49, 0xd4, 0xaf, 0xc0, 0x14, 0xc7, 0x95,
+	0x06, 0x85, 0x5a, 0x4f, 0xcd, 0x24, 0x96, 0x66, 0x37, 0x55, 0x24, 0xde, 0x7f, 0x02, 0x50, 0x09,
+	0x7c, 0xd2, 0x26, 0x34, 0x8c, 0x86, 0xca, 0xa9, 0x99, 0x55, 0x66, 0x4f, 0x4d, 0x9b, 0x4d, 0x12,
+	0xfe, 0x12, 0xac, 0x1e, 0x63, 0x5a, 0x6f, 0xf3, 0x36, 0xa7, 0x36, 0x24, 0x14, 0x77, 0x79, 0xed,
+	0x52, 0x32, 0x64, 0x95, 0xd9, 0x0c, 0x36, 0x1b, 0x85, 0x52, 0x01, 0x8d, 0x86, 0x2f, 0x9b, 0xcd,
+	0xe4, 0x44, 0xd6, 0xff, 0x7e, 0xad, 0x2e, 0x54, 0xb2, 0x10, 0xe4, 0x5b, 0x28, 0xac, 0x32, 0x47,
+	0xa3, 0xe1, 0x39, 0x8a, 0x6e, 0x12, 0x1c, 0x7f, 0x92, 0xf5, 0x92, 0x5a, 0x79, 0x41, 0x52, 0x68,
+	0x24, 0xa2, 0x07, 0x60, 0x59, 0xec, 0xb3, 0x43, 0xee, 0xc1, 0xb7, 0xf3, 0x87, 0x86, 0xbb, 0xc5,
+	0x46, 0xf6, 0xaa, 0x77, 0x30, 0x55, 0x00, 0x6f, 0x31, 0x2e, 0x06, 0x4a, 0xb2, 0x1d, 0x23, 0x82,
+	0x69, 0x90, 0x66, 0xfa, 0x60, 0xa4, 0x9d, 0x48, 0xf3, 0x07, 0xb0, 0x78, 0x84, 0x59, 0x23, 0xc2,
+	0x95, 0x15, 0xd4, 0xc2, 0x24, 0x93, 0xc6, 0x34, 0x90, 0x27, 0x88, 0x6e, 0xc7, 0x95, 0x4a, 0x85,
+	0xb9, 0xe4, 0x9b, 0x27, 0x76, 0x2c, 0x85, 0xc1, 0x55, 0xbb, 0x05, 0x9f, 0x1a, 0x2e, 0x86, 0x3e,
+	0x8d, 0xbc, 0x33, 0xca, 0x2c, 0x1d, 0xff, 0xc1, 0xce, 0x3f, 0xff, 0x3a, 0x3d, 0xf6, 0xf7, 0x77,
+	0x9b, 0x63, 0x3f, 0xbd, 0xdb, 0x1c, 0xfb, 0xd7, 0xbb, 0xcd, 0xb1, 0xbf, 0xfc, 0x7b, 0xd3, 0x01,
+	0x8b, 0x61, 0xd4, 0xe2, 0x75, 0x7e, 0xef, 0x66, 0xc0, 0xff, 0xcc, 0xf1, 0x72, 0x92, 0xff, 0xf3,
+	0xc9, 0xff, 0x03, 0x00, 0x00, 0xff, 0xff, 0xa9, 0x2c, 0x72, 0x91, 0x83, 0x29, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -5151,26 +5236,38 @@ func (m *BatchCommandsResponse) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		i -= len(m.XXX_unrecognized)
 		copy(dAtA[i:], m.XXX_unrecognized)
 	}
+	if m.HealthFeedback != nil {
+		{
+			size, err := m.HealthFeedback.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintTikvpb(dAtA, i, uint64(size))
+		}
+		i--
+		dAtA[i] = 0x22
+	}
 	if m.TransportLayerLoad != 0 {
 		i = encodeVarintTikvpb(dAtA, i, uint64(m.TransportLayerLoad))
 		i--
 		dAtA[i] = 0x18
 	}
 	if len(m.RequestIds) > 0 {
-		dAtA37 := make([]byte, len(m.RequestIds)*10)
-		var j36 int
+		dAtA38 := make([]byte, len(m.RequestIds)*10)
+		var j37 int
 		for _, num := range m.RequestIds {
 			for num >= 1<<7 {
-				dAtA37[j36] = uint8(uint64(num)&0x7f | 0x80)
+				dAtA38[j37] = uint8(uint64(num)&0x7f | 0x80)
 				num >>= 7
-				j36++
+				j37++
 			}
-			dAtA37[j36] = uint8(num)
-			j36++
+			dAtA38[j37] = uint8(num)
+			j37++
 		}
-		i -= j36
-		copy(dAtA[i:], dAtA37[:j36])
-		i = encodeVarintTikvpb(dAtA, i, uint64(j36))
+		i -= j37
+		copy(dAtA[i:], dAtA38[:j37])
+		i = encodeVarintTikvpb(dAtA, i, uint64(j37))
 		i--
 		dAtA[i] = 0x12
 	}
@@ -6066,6 +6163,48 @@ func (m *BatchCommandsEmptyResponse) MarshalToSizedBuffer(dAtA []byte) (int, err
 	return len(dAtA) - i, nil
 }
 
+func (m *HealthFeedback) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *HealthFeedback) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *HealthFeedback) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if m.XXX_unrecognized != nil {
+		i -= len(m.XXX_unrecognized)
+		copy(dAtA[i:], m.XXX_unrecognized)
+	}
+	if m.SlowScore != 0 {
+		i = encodeVarintTikvpb(dAtA, i, uint64(m.SlowScore))
+		i--
+		dAtA[i] = 0x18
+	}
+	if m.FeedbackSeqNo != 0 {
+		i = encodeVarintTikvpb(dAtA, i, uint64(m.FeedbackSeqNo))
+		i--
+		dAtA[i] = 0x10
+	}
+	if m.StoreId != 0 {
+		i = encodeVarintTikvpb(dAtA, i, uint64(m.StoreId))
+		i--
+		dAtA[i] = 0x8
+	}
+	return len(dAtA) - i, nil
+}
+
 func encodeVarintTikvpb(dAtA []byte, offset int, v uint64) int {
 	offset -= sovTikvpb(v)
 	base := offset
@@ -6535,6 +6674,10 @@ func (m *BatchCommandsResponse) Size() (n int) {
 	if m.TransportLayerLoad != 0 {
 		n += 1 + sovTikvpb(uint64(m.TransportLayerLoad))
 	}
+	if m.HealthFeedback != nil {
+		l = m.HealthFeedback.Size()
+		n += 1 + l + sovTikvpb(uint64(l))
+	}
 	if m.XXX_unrecognized != nil {
 		n += len(m.XXX_unrecognized)
 	}
@@ -7003,6 +7146,27 @@ func (m *BatchCommandsEmptyResponse) Size() (n int) {
 	return n
 }
 
+func (m *HealthFeedback) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if m.StoreId != 0 {
+		n += 1 + sovTikvpb(uint64(m.StoreId))
+	}
+	if m.FeedbackSeqNo != 0 {
+		n += 1 + sovTikvpb(uint64(m.FeedbackSeqNo))
+	}
+	if m.SlowScore != 0 {
+		n += 1 + sovTikvpb(uint64(m.SlowScore))
+	}
+	if m.XXX_unrecognized != nil {
+		n += len(m.XXX_unrecognized)
+	}
+	return n
+}
+
 func sovTikvpb(x uint64) (n int) {
 	return (math_bits.Len64(x|1) + 6) / 7
 }
@@ -8534,6 +8698,42 @@ func (m *BatchCommandsResponse) Unmarshal(dAtA []byte) error {
 					break
 				}
 			}
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field HealthFeedback", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTikvpb
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthTikvpb
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthTikvpb
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.HealthFeedback == nil {
+				m.HealthFeedback = &HealthFeedback{}
+			}
+			if err := m.HealthFeedback.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipTikvpb(dAtA[iNdEx:])
@@ -10006,6 +10206,114 @@ func (m *BatchCommandsEmptyResponse) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *HealthFeedback) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowTikvpb
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: HealthFeedback: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: HealthFeedback: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field StoreId", wireType)
+			}
+			m.StoreId = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTikvpb
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.StoreId |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field FeedbackSeqNo", wireType)
+			}
+			m.FeedbackSeqNo = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTikvpb
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.FeedbackSeqNo |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field SlowScore", wireType)
+			}
+			m.SlowScore = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTikvpb
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.SlowScore |= int32(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTikvpb(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthTikvpb
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func skipTikvpb(dAtA []byte) (n int, err error) {
 	l := len(dAtA)
 	iNdEx := 0
diff --git a/proto/tikvpb.proto b/proto/tikvpb.proto
index 1fb73a002..3aec79dc6 100644
--- a/proto/tikvpb.proto
+++ b/proto/tikvpb.proto
@@ -197,6 +197,7 @@ message BatchCommandsResponse {
     repeated uint64 request_ids = 2;
     // 280 means TiKV gRPC cpu usage is 280%.
     uint64 transport_layer_load = 3;
+    HealthFeedback health_feedback = 4;
 
     message Response {
         oneof cmd {
@@ -264,3 +265,17 @@ message BatchCommandsEmptyResponse {
     // ID of the test request.
     uint64 test_id = 1;
 }
+
+message HealthFeedback {
+    uint64 store_id = 1;
+    // The sequence number of the feedback message.
+    // It's defined as an incrementing integer, starting from the unix timestamp (milliseconds) at
+    // the time that the TiKV node is started.
+    // This can be useful for filtering out out-of-order feedback messages.
+    // Note that considering the possibility of system clock changing, this field doesn't guarantee
+    // uniqueness and monotonic if the TiKV node is restarted.
+    uint64 feedback_seq_no = 2;
+    // The slow_score calculated in raftstore module. Due to some limitations of slow score, this would
+    // be replaced by `SlowTrend` in the future.
+    int32 slow_score = 3;
+}
diff --git a/scripts/proto.lock b/scripts/proto.lock
index 972ee9a97..8c09dc549 100644
--- a/scripts/proto.lock
+++ b/scripts/proto.lock
@@ -20035,6 +20035,11 @@
                 "id": 3,
                 "name": "transport_layer_load",
                 "type": "uint64"
+              },
+              {
+                "id": 4,
+                "name": "health_feedback",
+                "type": "HealthFeedback"
               }
             ],
             "messages": [
@@ -20286,6 +20291,26 @@
                 "type": "uint64"
               }
             ]
+          },
+          {
+            "name": "HealthFeedback",
+            "fields": [
+              {
+                "id": 1,
+                "name": "store_id",
+                "type": "uint64"
+              },
+              {
+                "id": 2,
+                "name": "feedback_seq_no",
+                "type": "uint64"
+              },
+              {
+                "id": 3,
+                "name": "slow_score",
+                "type": "int32"
+              }
+            ]
           }
         ],
         "services": [