Repository: matrixorigin/matrixone
Pull request #4460 (2022-08-11 07:28:12)

logservice: reduced rpc marshal/unmarshal overheads
## What type of PR is this?

- [ ] API-change
- [ ] BUG
- [ ] Improvement
- [ ] Documentation
- [ ] Feature
- [ ] Test and CI
- [x] Code Refactoring

## Which issue(s) this PR fixes:

issue #

## What this PR does / why we need it:

Previously, all Log Service requests and responses carry possible data fields as not nullable, meaning they are values rather than pointers. This would require full marshal/unmarshal of them even when they are empty. Changed them to pointer types to reduce such marshal and unmarshal overheads. 

lni: > Oh boy, this. Do we know how much the overhead is? quantity wise.

Sorry that I don't have any concrete number. Just have the feeling that it could be wasteful.  

Patch:
diff --git a/pkg/logservice/client.go b/pkg/logservice/client.go
index 4d1e7a23c..bf396930e 100644
--- a/pkg/logservice/client.go
+++ b/pkg/logservice/client.go
@@ -443,7 +443,7 @@ func (c *client) tsoRequest(ctx context.Context, count uint64) (uint64, error) {
 	req := pb.Request{
 		Method:  pb.TSO_UPDATE,
 		Timeout: int64(timeout),
-		TsoRequest: pb.TsoRequest{
+		TsoRequest: &pb.TsoRequest{
 			Count: count,
 		},
 	}
diff --git a/pkg/logservice/hakeeper_client.go b/pkg/logservice/hakeeper_client.go
index 3438a362c..9e3710bf9 100644
--- a/pkg/logservice/hakeeper_client.go
+++ b/pkg/logservice/hakeeper_client.go
@@ -325,13 +325,13 @@ func (c *hakeeperClient) getClusterDetails(ctx context.Context) (pb.ClusterDetai
 	if err != nil {
 		return pb.ClusterDetails{}, err
 	}
-	return resp.ClusterDetails, nil
+	return *resp.ClusterDetails, nil
 }
 
 func (c *hakeeperClient) sendCNHeartbeat(ctx context.Context, hb pb.CNStoreHeartbeat) error {
 	req := pb.Request{
 		Method:      pb.CN_HEARTBEAT,
-		CNHeartbeat: hb,
+		CNHeartbeat: &hb,
 	}
 	_, err := c.sendHeartbeat(ctx, req)
 	return err
@@ -341,7 +341,7 @@ func (c *hakeeperClient) sendDNHeartbeat(ctx context.Context,
 	hb pb.DNStoreHeartbeat) (pb.CommandBatch, error) {
 	req := pb.Request{
 		Method:      pb.DN_HEARTBEAT,
-		DNHeartbeat: hb,
+		DNHeartbeat: &hb,
 	}
 	return c.sendHeartbeat(ctx, req)
 }
@@ -350,7 +350,7 @@ func (c *hakeeperClient) sendLogHeartbeat(ctx context.Context,
 	hb pb.LogStoreHeartbeat) (pb.CommandBatch, error) {
 	req := pb.Request{
 		Method:       pb.LOG_HEARTBEAT,
-		LogHeartbeat: hb,
+		LogHeartbeat: &hb,
 	}
 	cb, err := c.sendHeartbeat(ctx, req)
 	if err != nil {
@@ -368,7 +368,10 @@ func (c *hakeeperClient) sendHeartbeat(ctx context.Context,
 	if err != nil {
 		return pb.CommandBatch{}, err
 	}
-	return resp.CommandBatch, nil
+	if resp.CommandBatch == nil {
+		return pb.CommandBatch{}, nil
+	}
+	return *resp.CommandBatch, nil
 }
 
 func (c *hakeeperClient) checkIsHAKeeper(ctx context.Context) (bool, error) {
diff --git a/pkg/logservice/service.go b/pkg/logservice/service.go
index e84629775..30d28f10d 100644
--- a/pkg/logservice/service.go
+++ b/pkg/logservice/service.go
@@ -228,7 +228,7 @@ func (s *Service) handleGetClusterDetails(req pb.Request) pb.Response {
 	if v, err := s.store.getClusterDetails(ctx); err != nil {
 		resp.ErrorCode, resp.ErrorMessage = toErrorCode(err)
 	} else {
-		resp.ClusterDetails = v
+		resp.ClusterDetails = &v
 	}
 	return resp
 }
@@ -241,7 +241,7 @@ func (s *Service) handleTsoUpdate(req pb.Request) pb.Response {
 	if v, err := s.store.tsoUpdate(ctx, r.Count); err != nil {
 		resp.ErrorCode, resp.ErrorMessage = toErrorCode(err)
 	} else {
-		resp.TsoResponse.Value = v
+		resp.TsoResponse = &pb.TsoResponse{Value: v}
 	}
 	return resp
 }
@@ -328,11 +328,11 @@ func (s *Service) handleLogHeartbeat(req pb.Request) pb.Response {
 	defer cancel()
 	hb := req.LogHeartbeat
 	resp := getResponse(req)
-	if cb, err := s.store.addLogStoreHeartbeat(ctx, hb); err != nil {
+	if cb, err := s.store.addLogStoreHeartbeat(ctx, *hb); err != nil {
 		resp.ErrorCode, resp.ErrorMessage = toErrorCode(err)
 		return resp
 	} else {
-		resp.CommandBatch = cb
+		resp.CommandBatch = &cb
 	}
 
 	return resp
@@ -343,7 +343,7 @@ func (s *Service) handleCNHeartbeat(req pb.Request) pb.Response {
 	defer cancel()
 	hb := req.CNHeartbeat
 	resp := getResponse(req)
-	if err := s.store.addCNStoreHeartbeat(ctx, hb); err != nil {
+	if err := s.store.addCNStoreHeartbeat(ctx, *hb); err != nil {
 		resp.ErrorCode, resp.ErrorMessage = toErrorCode(err)
 		return resp
 	}
@@ -356,11 +356,11 @@ func (s *Service) handleDNHeartbeat(req pb.Request) pb.Response {
 	defer cancel()
 	hb := req.DNHeartbeat
 	resp := getResponse(req)
-	if cb, err := s.store.addDNStoreHeartbeat(ctx, hb); err != nil {
+	if cb, err := s.store.addDNStoreHeartbeat(ctx, *hb); err != nil {
 		resp.ErrorCode, resp.ErrorMessage = toErrorCode(err)
 		return resp
 	} else {
-		resp.CommandBatch = cb
+		resp.CommandBatch = &cb
 	}
 
 	return resp
diff --git a/pkg/pb/logservice/logservice.pb.go b/pkg/pb/logservice/logservice.pb.go
index 71f4184e2..c76a78dcd 100644
--- a/pkg/pb/logservice/logservice.pb.go
+++ b/pkg/pb/logservice/logservice.pb.go
@@ -1281,17 +1281,17 @@ func (m *TsoRequest) GetCount() uint64 {
 }
 
 type Request struct {
-	RequestID            uint64            `protobuf:"varint,1,opt,name=RequestID,proto3" json:"RequestID,omitempty"`
-	Method               MethodType        `protobuf:"varint,2,opt,name=Method,proto3,enum=logservice.MethodType" json:"Method,omitempty"`
-	Timeout              int64             `protobuf:"varint,3,opt,name=Timeout,proto3" json:"Timeout,omitempty"`
-	LogRequest           LogRequest        `protobuf:"bytes,4,opt,name=LogRequest,proto3" json:"LogRequest"`
-	LogHeartbeat         LogStoreHeartbeat `protobuf:"bytes,5,opt,name=LogHeartbeat,proto3" json:"LogHeartbeat"`
-	CNHeartbeat          CNStoreHeartbeat  `protobuf:"bytes,6,opt,name=CNHeartbeat,proto3" json:"CNHeartbeat"`
-	DNHeartbeat          DNStoreHeartbeat  `protobuf:"bytes,7,opt,name=DNHeartbeat,proto3" json:"DNHeartbeat"`
-	TsoRequest           TsoRequest        `protobuf:"bytes,8,opt,name=TsoRequest,proto3" json:"TsoRequest"`
-	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
-	XXX_unrecognized     []byte            `json:"-"`
-	XXX_sizecache        int32             `json:"-"`
+	RequestID            uint64             `protobuf:"varint,1,opt,name=RequestID,proto3" json:"RequestID,omitempty"`
+	Method               MethodType         `protobuf:"varint,2,opt,name=Method,proto3,enum=logservice.MethodType" json:"Method,omitempty"`
+	Timeout              int64              `protobuf:"varint,3,opt,name=Timeout,proto3" json:"Timeout,omitempty"`
+	LogRequest           LogRequest         `protobuf:"bytes,4,opt,name=LogRequest,proto3" json:"LogRequest"`
+	LogHeartbeat         *LogStoreHeartbeat `protobuf:"bytes,5,opt,name=LogHeartbeat,proto3" json:"LogHeartbeat,omitempty"`
+	CNHeartbeat          *CNStoreHeartbeat  `protobuf:"bytes,6,opt,name=CNHeartbeat,proto3" json:"CNHeartbeat,omitempty"`
+	DNHeartbeat          *DNStoreHeartbeat  `protobuf:"bytes,7,opt,name=DNHeartbeat,proto3" json:"DNHeartbeat,omitempty"`
+	TsoRequest           *TsoRequest        `protobuf:"bytes,8,opt,name=TsoRequest,proto3" json:"TsoRequest,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}           `json:"-"`
+	XXX_unrecognized     []byte             `json:"-"`
+	XXX_sizecache        int32              `json:"-"`
 }
 
 func (m *Request) Reset()         { *m = Request{} }
@@ -1355,32 +1355,32 @@ func (m *Request) GetLogRequest() LogRequest {
 	return LogRequest{}
 }
 
-func (m *Request) GetLogHeartbeat() LogStoreHeartbeat {
+func (m *Request) GetLogHeartbeat() *LogStoreHeartbeat {
 	if m != nil {
 		return m.LogHeartbeat
 	}
-	return LogStoreHeartbeat{}
+	return nil
 }
 
-func (m *Request) GetCNHeartbeat() CNStoreHeartbeat {
+func (m *Request) GetCNHeartbeat() *CNStoreHeartbeat {
 	if m != nil {
 		return m.CNHeartbeat
 	}
-	return CNStoreHeartbeat{}
+	return nil
 }
 
-func (m *Request) GetDNHeartbeat() DNStoreHeartbeat {
+func (m *Request) GetDNHeartbeat() *DNStoreHeartbeat {
 	if m != nil {
 		return m.DNHeartbeat
 	}
-	return DNStoreHeartbeat{}
+	return nil
 }
 
-func (m *Request) GetTsoRequest() TsoRequest {
+func (m *Request) GetTsoRequest() *TsoRequest {
 	if m != nil {
 		return m.TsoRequest
 	}
-	return TsoRequest{}
+	return nil
 }
 
 type LogResponse struct {
@@ -1453,9 +1453,9 @@ type Response struct {
 	ErrorMessage         string                `protobuf:"bytes,4,opt,name=ErrorMessage,proto3" json:"ErrorMessage,omitempty"`
 	IsHAKeeper           bool                  `protobuf:"varint,5,opt,name=IsHAKeeper,proto3" json:"IsHAKeeper,omitempty"`
 	LogResponse          LogResponse           `protobuf:"bytes,6,opt,name=LogResponse,proto3" json:"LogResponse"`
-	CommandBatch         CommandBatch          `protobuf:"bytes,7,opt,name=CommandBatch,proto3" json:"CommandBatch"`
-	TsoResponse          TsoResponse           `protobuf:"bytes,8,opt,name=TsoResponse,proto3" json:"TsoResponse"`
-	ClusterDetails       ClusterDetails        `protobuf:"bytes,9,opt,name=ClusterDetails,proto3" json:"ClusterDetails"`
+	CommandBatch         *CommandBatch         `protobuf:"bytes,7,opt,name=CommandBatch,proto3" json:"CommandBatch,omitempty"`
+	TsoResponse          *TsoResponse          `protobuf:"bytes,8,opt,name=TsoResponse,proto3" json:"TsoResponse,omitempty"`
+	ClusterDetails       *ClusterDetails       `protobuf:"bytes,9,opt,name=ClusterDetails,proto3" json:"ClusterDetails,omitempty"`
 	ShardInfo            *ShardInfoQueryResult `protobuf:"bytes,10,opt,name=ShardInfo,proto3" json:"ShardInfo,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}              `json:"-"`
 	XXX_unrecognized     []byte                `json:"-"`
@@ -1537,25 +1537,25 @@ func (m *Response) GetLogResponse() LogResponse {
 	return LogResponse{}
 }
 
-func (m *Response) GetCommandBatch() CommandBatch {
+func (m *Response) GetCommandBatch() *CommandBatch {
 	if m != nil {
 		return m.CommandBatch
 	}
-	return CommandBatch{}
+	return nil
 }
 
-func (m *Response) GetTsoResponse() TsoResponse {
+func (m *Response) GetTsoResponse() *TsoResponse {
 	if m != nil {
 		return m.TsoResponse
 	}
-	return TsoResponse{}
+	return nil
 }
 
-func (m *Response) GetClusterDetails() ClusterDetails {
+func (m *Response) GetClusterDetails() *ClusterDetails {
 	if m != nil {
 		return m.ClusterDetails
 	}
-	return ClusterDetails{}
+	return nil
 }
 
 func (m *Response) GetShardInfo() *ShardInfoQueryResult {
@@ -2932,165 +2932,164 @@ func init() {
 func init() { proto.RegisterFile("logservice.proto", fileDescriptor_fd1040c5381ab5a7) }
 
 var fileDescriptor_fd1040c5381ab5a7 = []byte{
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+	0xc1, 0x83, 0xe3, 0xfd, 0x46, 0xcd, 0xee, 0xec, 0x35, 0x6a, 0x1d, 0x7d, 0x81, 0x48, 0xa8, 0x5b,
+	0x12, 0xa4, 0x40, 0x20, 0xa6, 0x0c, 0x29, 0x22, 0x04, 0xcb, 0xf5, 0xfd, 0x46, 0xfd, 0xe1, 0xf1,
+	0x7e, 0xed, 0x61, 0xa3, 0x71, 0xd8, 0xb0, 0x75, 0x20, 0x06, 0x24, 0x3b, 0xd7, 0x5b, 0x47, 0xed,
+	0x4e, 0xc3, 0x3e, 0x36, 0x1b, 0x9d, 0x5a, 0xb3, 0xd5, 0xd6, 0x4b, 0x84, 0x98, 0x20, 0xda, 0xfb,
+	0x35, 0xdb, 0x3c, 0x6e, 0x5a, 0xf7, 0x0f, 0xf4, 0xc5, 0x8a, 0x05, 0x90, 0x0e, 0x4d, 0x89, 0x56,
+	0xc4, 0x96, 0x0c, 0xa2, 0xcf, 0x91, 0x23, 0x35, 0xfd, 0x18, 0x87, 0xbe, 0x33, 0xd0, 0x35, 0x62,
+	0x38, 0x7a, 0x33, 0x89, 0x95, 0x57, 0xf8, 0xfc, 0xd9, 0xc6, 0x3f, 0xc5, 0xdd, 0x18, 0xbb, 0x7a,
+	0xb6, 0xf2, 0x97, 0x8c, 0x34, 0x41, 0x22, 0x47, 0xb6, 0x02, 0xba, 0xd4, 0xe7, 0xc8, 0x82, 0x9b,
+	0x59, 0xd7, 0x88, 0xe4, 0xba, 0xe3, 0x77, 0xf1, 0x00, 0xbb, 0x7a, 0x86, 0x1c, 0xac, 0xe9, 0x9f,
+	0x39, 0x03, 0xcf, 0xa5, 0xae, 0xad, 0x67, 0x89, 0xae, 0x1c, 0x22, 0x78, 0x72, 0x12, 0xec, 0xd0,
+	0x39, 0x1f, 0x04, 0x8e, 0xab, 0xcf, 0xa3, 0x37, 0x01, 0xa9, 0xb0, 0xb6, 0xf7, 0x19, 0xd6, 0xf3,
+	0x44, 0x7e, 0xa2, 0xd5, 0x02, 0x51, 0x94, 0x0a, 0xb6, 0x82, 0xd8, 0xc6, 0x8e, 0x7b, 0xce, 0x6c,
+	0xd9, 0x3e, 0x8f, 0x62, 0x3c, 0xac, 0x0f, 0x82, 0x08, 0xbb, 0x7a, 0x91, 0x3a, 0x5e, 0xe4, 0xd7,
+	0x06, 0x21, 0xa1, 0x48, 0xa6, 0xe3, 0xba, 0x4b, 0xac, 0x72, 0x30, 0x8e, 0x0f, 0x4e, 0x6d, 0xf2,
+	0x30, 0xd5, 0x49, 0xf5, 0x5a, 0xb6, 0x82, 0x58, 0x72, 0x52, 0xfd, 0x94, 0x39, 0x55, 0x2c, 0x12,
+	0xbc, 0xde, 0x43, 0x6b, 0xa0, 0x8b, 0xf4, 0x63, 0x05, 0xf1, 0xfd, 0x60, 0xec, 0xbb, 0x7a, 0x1f,
+	0xad, 0x83, 0x7e, 0x10, 0xf7, 0x71, 0xc8, 0xb6, 0x66, 0x96, 0xf9, 0xe7, 0x42, 0xe5, 0x4b, 0x0d,
+	0x90, 0xe0, 0x95, 0x42, 0x81, 0xf8, 0x9d, 0xd7, 0x7d, 0x2c, 0x47, 0x80, 0x34, 0xd4, 0x4c, 0x22,
+	0x60, 0x1d, 0x56, 0xcc, 0x29, 0x70, 0x86, 0x98, 0x46, 0x9e, 0xa1, 0x8a, 0x60, 0x20, 0xaa, 0x3e,
+	0xc0, 0x71, 0x12, 0x58, 0x39, 0xf4, 0xd6, 0x54, 0x22, 0xe6, 0xa8, 0x79, 0x72, 0xd4, 0x36, 0x66,
+	0x61, 0xc1, 0x61, 0x79, 0x54, 0x86, 0x35, 0xb5, 0xe5, 0xe6, 0x98, 0x85, 0xca, 0xe7, 0x1a, 0x2c,
+	0x29, 0xe5, 0x97, 0x04, 0xa7, 0x00, 0xd4, 0x43, 0x4c, 0xed, 0x39, 0x47, 0xf6, 0x13, 0x40, 0x65,
+	0x62, 0xa0, 0x6b, 0xe8, 0xbb, 0xf0, 0xed, 0x29, 0x94, 0x28, 0x0e, 0x36, 0xee, 0x62, 0xef, 0x8c,
+	0xfa, 0xcb, 0xdb, 0x70, 0x6d, 0x8a, 0xec, 0xbe, 0xe3, 0x11, 0x67, 0xca, 0xca, 0x7b, 0xda, 0x63,
+	0xdf, 0x27, 0x82, 0x73, 0x95, 0x3e, 0xe8, 0x93, 0xe3, 0x1b, 0x62, 0xde, 0x9a, 0xeb, 0xf2, 0xa4,
+	0xa4, 0xcf, 0x11, 0x2f, 0xb1, 0xf1, 0x30, 0x38, 0xc3, 0x02, 0xa4, 0x51, 0x2f, 0x89, 0x9d, 0x30,
+	0x16, 0x90, 0x0c, 0xb1, 0x5e, 0x3b, 0x0e, 0x46, 0x02, 0x90, 0x25, 0x52, 0x1e, 0x7a, 0x83, 0xc1,
+	0x27, 0xc1, 0xf0, 0xc4, 0xc3, 0x7a, 0xae, 0xf2, 0xbe, 0x32, 0xb8, 0x20, 0x68, 0xe2, 0x07, 0x0c,
+	0xa2, 0xcf, 0x91, 0xcc, 0x64, 0xfa, 0x62, 0xa9, 0xed, 0x35, 0x9e, 0xfd, 0x7d, 0x73, 0xee, 0xab,
+	0xe7, 0x9b, 0xda, 0xb3, 0xe7, 0x9b, 0xda, 0xdf, 0x9e, 0x6f, 0x6a, 0x9f, 0xdc, 0x92, 0x7e, 0xc0,
+	0x0f, 0x9d, 0x38, 0xf4, 0x9e, 0x04, 0xa1, 0xd7, 0xf3, 0x7c, 0xb1, 0xf0, 0xf1, 0xf6, 0xe8, 0x71,
+	0x6f, 0x7b, 0x74, 0xb2, 0x9d, 0x66, 0xd6, 0x93, 0x3c, 0xfd, 0xfb, 0x7e, 0xeb, 0xdf, 0x01, 0x00,
+	0x00, 0xff, 0xff, 0x28, 0xdf, 0x8f, 0x8c, 0xdc, 0x1f, 0x00, 0x00,
 }
 
 func (m *CNNode) Marshal() (dAtA []byte, err error) {
@@ -3789,46 +3788,54 @@ func (m *Request) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		i -= len(m.XXX_unrecognized)
 		copy(dAtA[i:], m.XXX_unrecognized)
 	}
-	{
-		size, err := m.TsoRequest.MarshalToSizedBuffer(dAtA[:i])
-		if err != nil {
-			return 0, err
+	if m.TsoRequest != nil {
+		{
+			size, err := m.TsoRequest.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintLogservice(dAtA, i, uint64(size))
 		}
-		i -= size
-		i = encodeVarintLogservice(dAtA, i, uint64(size))
+		i--
+		dAtA[i] = 0x42
 	}
-	i--
-	dAtA[i] = 0x42
-	{
-		size, err := m.DNHeartbeat.MarshalToSizedBuffer(dAtA[:i])
-		if err != nil {
-			return 0, err
+	if m.DNHeartbeat != nil {
+		{
+			size, err := m.DNHeartbeat.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintLogservice(dAtA, i, uint64(size))
 		}
-		i -= size
-		i = encodeVarintLogservice(dAtA, i, uint64(size))
+		i--
+		dAtA[i] = 0x3a
 	}
-	i--
-	dAtA[i] = 0x3a
-	{
-		size, err := m.CNHeartbeat.MarshalToSizedBuffer(dAtA[:i])
-		if err != nil {
-			return 0, err
+	if m.CNHeartbeat != nil {
+		{
+			size, err := m.CNHeartbeat.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintLogservice(dAtA, i, uint64(size))
 		}
-		i -= size
-		i = encodeVarintLogservice(dAtA, i, uint64(size))
+		i--
+		dAtA[i] = 0x32
 	}
-	i--
-	dAtA[i] = 0x32
-	{
-		size, err := m.LogHeartbeat.MarshalToSizedBuffer(dAtA[:i])
-		if err != nil {
-			return 0, err
+	if m.LogHeartbeat != nil {
+		{
+			size, err := m.LogHeartbeat.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintLogservice(dAtA, i, uint64(size))
 		}
-		i -= size
-		i = encodeVarintLogservice(dAtA, i, uint64(size))
+		i--
+		dAtA[i] = 0x2a
 	}
-	i--
-	dAtA[i] = 0x2a
 	{
 		size, err := m.LogRequest.MarshalToSizedBuffer(dAtA[:i])
 		if err != nil {
@@ -3935,36 +3942,42 @@ func (m *Response) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		i--
 		dAtA[i] = 0x52
 	}
-	{
-		size, err := m.ClusterDetails.MarshalToSizedBuffer(dAtA[:i])
-		if err != nil {
-			return 0, err
+	if m.ClusterDetails != nil {
+		{
+			size, err := m.ClusterDetails.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintLogservice(dAtA, i, uint64(size))
 		}
-		i -= size
-		i = encodeVarintLogservice(dAtA, i, uint64(size))
+		i--
+		dAtA[i] = 0x4a
 	}
-	i--
-	dAtA[i] = 0x4a
-	{
-		size, err := m.TsoResponse.MarshalToSizedBuffer(dAtA[:i])
-		if err != nil {
-			return 0, err
+	if m.TsoResponse != nil {
+		{
+			size, err := m.TsoResponse.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintLogservice(dAtA, i, uint64(size))
 		}
-		i -= size
-		i = encodeVarintLogservice(dAtA, i, uint64(size))
+		i--
+		dAtA[i] = 0x42
 	}
-	i--
-	dAtA[i] = 0x42
-	{
-		size, err := m.CommandBatch.MarshalToSizedBuffer(dAtA[:i])
-		if err != nil {
-			return 0, err
+	if m.CommandBatch != nil {
+		{
+			size, err := m.CommandBatch.MarshalToSizedBuffer(dAtA[:i])
+			if err != nil {
+				return 0, err
+			}
+			i -= size
+			i = encodeVarintLogservice(dAtA, i, uint64(size))
 		}
-		i -= size
-		i = encodeVarintLogservice(dAtA, i, uint64(size))
+		i--
+		dAtA[i] = 0x3a
 	}
-	i--
-	dAtA[i] = 0x3a
 	{
 		size, err := m.LogResponse.MarshalToSizedBuffer(dAtA[:i])
 		if err != nil {
@@ -5513,14 +5526,22 @@ func (m *Request) Size() (n int) {
 	}
 	l = m.LogRequest.Size()
 	n += 1 + l + sovLogservice(uint64(l))
-	l = m.LogHeartbeat.Size()
-	n += 1 + l + sovLogservice(uint64(l))
-	l = m.CNHeartbeat.Size()
-	n += 1 + l + sovLogservice(uint64(l))
-	l = m.DNHeartbeat.Size()
-	n += 1 + l + sovLogservice(uint64(l))
-	l = m.TsoRequest.Size()
-	n += 1 + l + sovLogservice(uint64(l))
+	if m.LogHeartbeat != nil {
+		l = m.LogHeartbeat.Size()
+		n += 1 + l + sovLogservice(uint64(l))
+	}
+	if m.CNHeartbeat != nil {
+		l = m.CNHeartbeat.Size()
+		n += 1 + l + sovLogservice(uint64(l))
+	}
+	if m.DNHeartbeat != nil {
+		l = m.DNHeartbeat.Size()
+		n += 1 + l + sovLogservice(uint64(l))
+	}
+	if m.TsoRequest != nil {
+		l = m.TsoRequest.Size()
+		n += 1 + l + sovLogservice(uint64(l))
+	}
 	if m.XXX_unrecognized != nil {
 		n += len(m.XXX_unrecognized)
 	}
@@ -5572,12 +5593,18 @@ func (m *Response) Size() (n int) {
 	}
 	l = m.LogResponse.Size()
 	n += 1 + l + sovLogservice(uint64(l))
-	l = m.CommandBatch.Size()
-	n += 1 + l + sovLogservice(uint64(l))
-	l = m.TsoResponse.Size()
-	n += 1 + l + sovLogservice(uint64(l))
-	l = m.ClusterDetails.Size()
-	n += 1 + l + sovLogservice(uint64(l))
+	if m.CommandBatch != nil {
+		l = m.CommandBatch.Size()
+		n += 1 + l + sovLogservice(uint64(l))
+	}
+	if m.TsoResponse != nil {
+		l = m.TsoResponse.Size()
+		n += 1 + l + sovLogservice(uint64(l))
+	}
+	if m.ClusterDetails != nil {
+		l = m.ClusterDetails.Size()
+		n += 1 + l + sovLogservice(uint64(l))
+	}
 	if m.ShardInfo != nil {
 		l = m.ShardInfo.Size()
 		n += 1 + l + sovLogservice(uint64(l))
@@ -8244,6 +8271,9 @@ func (m *Request) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
+			if m.LogHeartbeat == nil {
+				m.LogHeartbeat = &LogStoreHeartbeat{}
+			}
 			if err := m.LogHeartbeat.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
 				return err
 			}
@@ -8277,6 +8307,9 @@ func (m *Request) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
+			if m.CNHeartbeat == nil {
+				m.CNHeartbeat = &CNStoreHeartbeat{}
+			}
 			if err := m.CNHeartbeat.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
 				return err
 			}
@@ -8310,6 +8343,9 @@ func (m *Request) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
+			if m.DNHeartbeat == nil {
+				m.DNHeartbeat = &DNStoreHeartbeat{}
+			}
 			if err := m.DNHeartbeat.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
 				return err
 			}
@@ -8343,6 +8379,9 @@ func (m *Request) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
+			if m.TsoRequest == nil {
+				m.TsoRequest = &TsoRequest{}
+			}
 			if err := m.TsoRequest.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
 				return err
 			}
@@ -8677,6 +8716,9 @@ func (m *Response) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
+			if m.CommandBatch == nil {
+				m.CommandBatch = &CommandBatch{}
+			}
 			if err := m.CommandBatch.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
 				return err
 			}
@@ -8710,6 +8752,9 @@ func (m *Response) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
+			if m.TsoResponse == nil {
+				m.TsoResponse = &TsoResponse{}
+			}
 			if err := m.TsoResponse.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
 				return err
 			}
@@ -8743,6 +8788,9 @@ func (m *Response) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
+			if m.ClusterDetails == nil {
+				m.ClusterDetails = &ClusterDetails{}
+			}
 			if err := m.ClusterDetails.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
 				return err
 			}
diff --git a/proto/logservice.proto b/proto/logservice.proto
index 805bd6877..9203b81da 100644
--- a/proto/logservice.proto
+++ b/proto/logservice.proto
@@ -185,10 +185,10 @@ message Request {
   MethodType Method              = 2;
   int64 Timeout                  = 3;
   LogRequest LogRequest          = 4 [(gogoproto.nullable) = false];
-  LogStoreHeartbeat LogHeartbeat = 5 [(gogoproto.nullable) = false];
-  CNStoreHeartbeat CNHeartbeat   = 6 [(gogoproto.nullable) = false];
-  DNStoreHeartbeat DNHeartbeat   = 7 [(gogoproto.nullable) = false];
-  TsoRequest TsoRequest          = 8 [(gogoproto.nullable) = false];
+  LogStoreHeartbeat LogHeartbeat = 5;
+  CNStoreHeartbeat CNHeartbeat   = 6;
+  DNStoreHeartbeat DNHeartbeat   = 7;
+  TsoRequest TsoRequest          = 8;
 };
 
 enum ErrorCode {
@@ -225,9 +225,9 @@ message Response {
   string ErrorMessage            = 4;
   bool IsHAKeeper                = 5;
   LogResponse LogResponse        = 6 [(gogoproto.nullable) = false];
-  CommandBatch CommandBatch      = 7 [(gogoproto.nullable) = false];
-  TsoResponse TsoResponse        = 8 [(gogoproto.nullable) = false];
-  ClusterDetails ClusterDetails  = 9 [(gogoproto.nullable) = false];
+  CommandBatch CommandBatch      = 7;
+  TsoResponse TsoResponse        = 8;
+  ClusterDetails ClusterDetails  = 9;
   ShardInfoQueryResult ShardInfo = 10;
 };
 


Test patch:
diff --git a/pkg/logservice/service_test.go b/pkg/logservice/service_test.go
index ed40482e5..d20866ed8 100644
--- a/pkg/logservice/service_test.go
+++ b/pkg/logservice/service_test.go
@@ -148,7 +148,7 @@ func TestServiceHandleLogHeartbeat(t *testing.T) {
 		req := pb.Request{
 			Method:  pb.LOG_HEARTBEAT,
 			Timeout: int64(time.Second),
-			LogHeartbeat: pb.LogStoreHeartbeat{
+			LogHeartbeat: &pb.LogStoreHeartbeat{
 				UUID: "uuid1",
 			},
 		}
@@ -191,12 +191,12 @@ func TestServiceHandleCNHeartbeat(t *testing.T) {
 		req := pb.Request{
 			Method:  pb.CN_HEARTBEAT,
 			Timeout: int64(time.Second),
-			CNHeartbeat: pb.CNStoreHeartbeat{
+			CNHeartbeat: &pb.CNStoreHeartbeat{
 				UUID: "uuid1",
 			},
 		}
 		resp := s.handleCNHeartbeat(req)
-		assert.Equal(t, 0, len(resp.CommandBatch.Commands))
+		assert.Nil(t, resp.CommandBatch)
 		assert.Equal(t, pb.ErrorCode(0), resp.ErrorCode)
 	}
 	runServiceTest(t, true, true, fn)
@@ -207,7 +207,7 @@ func TestServiceHandleDNHeartbeat(t *testing.T) {
 		req := pb.Request{
 			Method:  pb.DN_HEARTBEAT,
 			Timeout: int64(time.Second),
-			DNHeartbeat: pb.DNStoreHeartbeat{
+			DNHeartbeat: &pb.DNStoreHeartbeat{
 				UUID: "uuid1",
 			},
 		}
@@ -431,7 +431,7 @@ func TestServiceTsoUpdate(t *testing.T) {
 		req := pb.Request{
 			Method:  pb.TSO_UPDATE,
 			Timeout: int64(time.Second),
-			TsoRequest: pb.TsoRequest{
+			TsoRequest: &pb.TsoRequest{
 				Count: 100,
 			},
 		}