Repository: matrixorigin/matrixone
Pull request #4591 (2022-08-19 06:30:02)

add Shards field in DNStore
## What type of PR is this?

- [ ] API-change
- [ ] BUG
- [ ] Improvement
- [ ] Documentation
- [x] Feature
- [ ] Test and CI
- [ ] Code Refactoring

## Which issue(s) this PR fixes:

issue #

## What this PR does / why we need it:

Rename `CNNode`/`DNNode`/`LogNode` to `CNStore`/`DNStore`/`LogStore`.

Add `Shards` field in `DNStore`.

lni: The change looks good to me, just be aware that in v0.6, there should be 0 or 1 DN shard in each DNStore. In future releases, that might change. 
reusee: @fengttt It's for doing sharding in the engine. The distributed sender routes requests by their target shard.
https://github.com/matrixorigin/matrixone/blob/main/pkg/vm/engine/txn/shard.go#L26

Patch:
diff --git a/pkg/hakeeper/rsm.go b/pkg/hakeeper/rsm.go
index 895a340b1..238c0d595 100644
--- a/pkg/hakeeper/rsm.go
+++ b/pkg/hakeeper/rsm.go
@@ -421,44 +421,45 @@ func (s *stateMachine) handleScheduleCommandQuery(uuid string) *pb.CommandBatch
 func (s *stateMachine) handleClusterDetailsQuery(cfg Config) *pb.ClusterDetails {
 	cfg.Fill()
 	cd := &pb.ClusterDetails{
-		CNNodes:  make([]pb.CNNode, 0, len(s.state.CNState.Stores)),
-		DNNodes:  make([]pb.DNNode, 0, len(s.state.DNState.Stores)),
-		LogNodes: make([]pb.LogNode, 0, len(s.state.LogState.Stores)),
+		CNStores:  make([]pb.CNStore, 0, len(s.state.CNState.Stores)),
+		DNStores:  make([]pb.DNStore, 0, len(s.state.DNState.Stores)),
+		LogStores: make([]pb.LogStore, 0, len(s.state.LogState.Stores)),
 	}
 	for uuid, info := range s.state.CNState.Stores {
-		n := pb.CNNode{
+		n := pb.CNStore{
 			UUID:           uuid,
 			Tick:           info.Tick,
 			ServiceAddress: info.ServiceAddress,
 		}
-		cd.CNNodes = append(cd.CNNodes, n)
+		cd.CNStores = append(cd.CNStores, n)
 	}
 	for uuid, info := range s.state.DNState.Stores {
 		state := pb.NormalState
 		if cfg.DnStoreExpired(info.Tick, s.state.Tick) {
 			state = pb.TimeoutState
 		}
-		n := pb.DNNode{
+		n := pb.DNStore{
 			UUID:           uuid,
 			Tick:           info.Tick,
 			State:          state,
 			ServiceAddress: info.ServiceAddress,
+			Shards:         info.Shards,
 		}
-		cd.DNNodes = append(cd.DNNodes, n)
+		cd.DNStores = append(cd.DNStores, n)
 	}
 	for uuid, info := range s.state.LogState.Stores {
 		state := pb.NormalState
 		if cfg.LogStoreExpired(info.Tick, s.state.Tick) {
 			state = pb.TimeoutState
 		}
-		n := pb.LogNode{
+		n := pb.LogStore{
 			UUID:           uuid,
 			Tick:           info.Tick,
 			State:          state,
 			ServiceAddress: info.ServiceAddress,
 			Replicas:       info.Replicas,
 		}
-		cd.LogNodes = append(cd.LogNodes, n)
+		cd.LogStores = append(cd.LogStores, n)
 	}
 	return cd
 }
diff --git a/pkg/pb/logservice/logservice.pb.go b/pkg/pb/logservice/logservice.pb.go
index e6f02de1e..db6484f86 100644
--- a/pkg/pb/logservice/logservice.pb.go
+++ b/pkg/pb/logservice/logservice.pb.go
@@ -375,7 +375,7 @@ func (ServiceType) EnumDescriptor() ([]byte, []int) {
 	return fileDescriptor_fd1040c5381ab5a7, []int{8}
 }
 
-type CNNode struct {
+type CNStore struct {
 	UUID                 string    `protobuf:"bytes,1,opt,name=UUID,proto3" json:"UUID,omitempty"`
 	ServiceAddress       string    `protobuf:"bytes,2,opt,name=ServiceAddress,proto3" json:"ServiceAddress,omitempty"`
 	Tick                 uint64    `protobuf:"varint,3,opt,name=Tick,proto3" json:"Tick,omitempty"`
@@ -385,18 +385,18 @@ type CNNode struct {
 	XXX_sizecache        int32     `json:"-"`
 }
 
-func (m *CNNode) Reset()         { *m = CNNode{} }
-func (m *CNNode) String() string { return proto.CompactTextString(m) }
-func (*CNNode) ProtoMessage()    {}
-func (*CNNode) Descriptor() ([]byte, []int) {
+func (m *CNStore) Reset()         { *m = CNStore{} }
+func (m *CNStore) String() string { return proto.CompactTextString(m) }
+func (*CNStore) ProtoMessage()    {}
+func (*CNStore) Descriptor() ([]byte, []int) {
 	return fileDescriptor_fd1040c5381ab5a7, []int{0}
 }
-func (m *CNNode) XXX_Unmarshal(b []byte) error {
+func (m *CNStore) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
 }
-func (m *CNNode) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+func (m *CNStore) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	if deterministic {
-		return xxx_messageInfo_CNNode.Marshal(b, m, deterministic)
+		return xxx_messageInfo_CNStore.Marshal(b, m, deterministic)
 	} else {
 		b = b[:cap(b)]
 		n, err := m.MarshalToSizedBuffer(b)
@@ -406,68 +406,69 @@ func (m *CNNode) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 		return b[:n], nil
 	}
 }
-func (m *CNNode) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_CNNode.Merge(m, src)
+func (m *CNStore) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_CNStore.Merge(m, src)
 }
-func (m *CNNode) XXX_Size() int {
+func (m *CNStore) XXX_Size() int {
 	return m.Size()
 }
-func (m *CNNode) XXX_DiscardUnknown() {
-	xxx_messageInfo_CNNode.DiscardUnknown(m)
+func (m *CNStore) XXX_DiscardUnknown() {
+	xxx_messageInfo_CNStore.DiscardUnknown(m)
 }
 
-var xxx_messageInfo_CNNode proto.InternalMessageInfo
+var xxx_messageInfo_CNStore proto.InternalMessageInfo
 
-func (m *CNNode) GetUUID() string {
+func (m *CNStore) GetUUID() string {
 	if m != nil {
 		return m.UUID
 	}
 	return ""
 }
 
-func (m *CNNode) GetServiceAddress() string {
+func (m *CNStore) GetServiceAddress() string {
 	if m != nil {
 		return m.ServiceAddress
 	}
 	return ""
 }
 
-func (m *CNNode) GetTick() uint64 {
+func (m *CNStore) GetTick() uint64 {
 	if m != nil {
 		return m.Tick
 	}
 	return 0
 }
 
-func (m *CNNode) GetState() NodeState {
+func (m *CNStore) GetState() NodeState {
 	if m != nil {
 		return m.State
 	}
 	return NormalState
 }
 
-type DNNode struct {
-	UUID                 string    `protobuf:"bytes,1,opt,name=UUID,proto3" json:"UUID,omitempty"`
-	ServiceAddress       string    `protobuf:"bytes,2,opt,name=ServiceAddress,proto3" json:"ServiceAddress,omitempty"`
-	Tick                 uint64    `protobuf:"varint,3,opt,name=Tick,proto3" json:"Tick,omitempty"`
-	State                NodeState `protobuf:"varint,4,opt,name=State,proto3,enum=logservice.NodeState" json:"State,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}  `json:"-"`
-	XXX_unrecognized     []byte    `json:"-"`
-	XXX_sizecache        int32     `json:"-"`
+type DNStore struct {
+	UUID                 string        `protobuf:"bytes,1,opt,name=UUID,proto3" json:"UUID,omitempty"`
+	ServiceAddress       string        `protobuf:"bytes,2,opt,name=ServiceAddress,proto3" json:"ServiceAddress,omitempty"`
+	Tick                 uint64        `protobuf:"varint,3,opt,name=Tick,proto3" json:"Tick,omitempty"`
+	State                NodeState     `protobuf:"varint,4,opt,name=State,proto3,enum=logservice.NodeState" json:"State,omitempty"`
+	Shards               []DNShardInfo `protobuf:"bytes,5,rep,name=Shards,proto3" json:"Shards"`
+	XXX_NoUnkeyedLiteral struct{}      `json:"-"`
+	XXX_unrecognized     []byte        `json:"-"`
+	XXX_sizecache        int32         `json:"-"`
 }
 
-func (m *DNNode) Reset()         { *m = DNNode{} }
-func (m *DNNode) String() string { return proto.CompactTextString(m) }
-func (*DNNode) ProtoMessage()    {}
-func (*DNNode) Descriptor() ([]byte, []int) {
+func (m *DNStore) Reset()         { *m = DNStore{} }
+func (m *DNStore) String() string { return proto.CompactTextString(m) }
+func (*DNStore) ProtoMessage()    {}
+func (*DNStore) Descriptor() ([]byte, []int) {
 	return fileDescriptor_fd1040c5381ab5a7, []int{1}
 }
-func (m *DNNode) XXX_Unmarshal(b []byte) error {
+func (m *DNStore) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
 }
-func (m *DNNode) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+func (m *DNStore) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	if deterministic {
-		return xxx_messageInfo_DNNode.Marshal(b, m, deterministic)
+		return xxx_messageInfo_DNStore.Marshal(b, m, deterministic)
 	} else {
 		b = b[:cap(b)]
 		n, err := m.MarshalToSizedBuffer(b)
@@ -477,47 +478,54 @@ func (m *DNNode) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 		return b[:n], nil
 	}
 }
-func (m *DNNode) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_DNNode.Merge(m, src)
+func (m *DNStore) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DNStore.Merge(m, src)
 }
-func (m *DNNode) XXX_Size() int {
+func (m *DNStore) XXX_Size() int {
 	return m.Size()
 }
-func (m *DNNode) XXX_DiscardUnknown() {
-	xxx_messageInfo_DNNode.DiscardUnknown(m)
+func (m *DNStore) XXX_DiscardUnknown() {
+	xxx_messageInfo_DNStore.DiscardUnknown(m)
 }
 
-var xxx_messageInfo_DNNode proto.InternalMessageInfo
+var xxx_messageInfo_DNStore proto.InternalMessageInfo
 
-func (m *DNNode) GetUUID() string {
+func (m *DNStore) GetUUID() string {
 	if m != nil {
 		return m.UUID
 	}
 	return ""
 }
 
-func (m *DNNode) GetServiceAddress() string {
+func (m *DNStore) GetServiceAddress() string {
 	if m != nil {
 		return m.ServiceAddress
 	}
 	return ""
 }
 
-func (m *DNNode) GetTick() uint64 {
+func (m *DNStore) GetTick() uint64 {
 	if m != nil {
 		return m.Tick
 	}
 	return 0
 }
 
-func (m *DNNode) GetState() NodeState {
+func (m *DNStore) GetState() NodeState {
 	if m != nil {
 		return m.State
 	}
 	return NormalState
 }
 
-type LogNode struct {
+func (m *DNStore) GetShards() []DNShardInfo {
+	if m != nil {
+		return m.Shards
+	}
+	return nil
+}
+
+type LogStore struct {
 	UUID                 string           `protobuf:"bytes,1,opt,name=UUID,proto3" json:"UUID,omitempty"`
 	ServiceAddress       string           `protobuf:"bytes,2,opt,name=ServiceAddress,proto3" json:"ServiceAddress,omitempty"`
 	Tick                 uint64           `protobuf:"varint,3,opt,name=Tick,proto3" json:"Tick,omitempty"`
@@ -528,18 +536,18 @@ type LogNode struct {
 	XXX_sizecache        int32            `json:"-"`
 }
 
-func (m *LogNode) Reset()         { *m = LogNode{} }
-func (m *LogNode) String() string { return proto.CompactTextString(m) }
-func (*LogNode) ProtoMessage()    {}
-func (*LogNode) Descriptor() ([]byte, []int) {
+func (m *LogStore) Reset()         { *m = LogStore{} }
+func (m *LogStore) String() string { return proto.CompactTextString(m) }
+func (*LogStore) ProtoMessage()    {}
+func (*LogStore) Descriptor() ([]byte, []int) {
 	return fileDescriptor_fd1040c5381ab5a7, []int{2}
 }
-func (m *LogNode) XXX_Unmarshal(b []byte) error {
+func (m *LogStore) XXX_Unmarshal(b []byte) error {
 	return m.Unmarshal(b)
 }
-func (m *LogNode) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+func (m *LogStore) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 	if deterministic {
-		return xxx_messageInfo_LogNode.Marshal(b, m, deterministic)
+		return xxx_messageInfo_LogStore.Marshal(b, m, deterministic)
 	} else {
 		b = b[:cap(b)]
 		n, err := m.MarshalToSizedBuffer(b)
@@ -549,47 +557,47 @@ func (m *LogNode) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
 		return b[:n], nil
 	}
 }
-func (m *LogNode) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_LogNode.Merge(m, src)
+func (m *LogStore) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_LogStore.Merge(m, src)
 }
-func (m *LogNode) XXX_Size() int {
+func (m *LogStore) XXX_Size() int {
 	return m.Size()
 }
-func (m *LogNode) XXX_DiscardUnknown() {
-	xxx_messageInfo_LogNode.DiscardUnknown(m)
+func (m *LogStore) XXX_DiscardUnknown() {
+	xxx_messageInfo_LogStore.DiscardUnknown(m)
 }
 
-var xxx_messageInfo_LogNode proto.InternalMessageInfo
+var xxx_messageInfo_LogStore proto.InternalMessageInfo
 
-func (m *LogNode) GetUUID() string {
+func (m *LogStore) GetUUID() string {
 	if m != nil {
 		return m.UUID
 	}
 	return ""
 }
 
-func (m *LogNode) GetServiceAddress() string {
+func (m *LogStore) GetServiceAddress() string {
 	if m != nil {
 		return m.ServiceAddress
 	}
 	return ""
 }
 
-func (m *LogNode) GetTick() uint64 {
+func (m *LogStore) GetTick() uint64 {
 	if m != nil {
 		return m.Tick
 	}
 	return 0
 }
 
-func (m *LogNode) GetState() NodeState {
+func (m *LogStore) GetState() NodeState {
 	if m != nil {
 		return m.State
 	}
 	return NormalState
 }
 
-func (m *LogNode) GetReplicas() []LogReplicaInfo {
+func (m *LogStore) GetReplicas() []LogReplicaInfo {
 	if m != nil {
 		return m.Replicas
 	}
@@ -2201,12 +2209,12 @@ func (m *DNState) GetStores() map[string]DNStoreInfo {
 }
 
 type ClusterDetails struct {
-	DNNodes              []DNNode  `protobuf:"bytes,1,rep,name=DNNodes,proto3" json:"DNNodes"`
-	CNNodes              []CNNode  `protobuf:"bytes,2,rep,name=CNNodes,proto3" json:"CNNodes"`
-	LogNodes             []LogNode `protobuf:"bytes,3,rep,name=LogNodes,proto3" json:"LogNodes"`
-	XXX_NoUnkeyedLiteral struct{}  `json:"-"`
-	XXX_unrecognized     []byte    `json:"-"`
-	XXX_sizecache        int32     `json:"-"`
+	DNStores             []DNStore  `protobuf:"bytes,1,rep,name=DNStores,proto3" json:"DNStores"`
+	CNStores             []CNStore  `protobuf:"bytes,2,rep,name=CNStores,proto3" json:"CNStores"`
+	LogStores            []LogStore `protobuf:"bytes,3,rep,name=LogStores,proto3" json:"LogStores"`
+	XXX_NoUnkeyedLiteral struct{}   `json:"-"`
+	XXX_unrecognized     []byte     `json:"-"`
+	XXX_sizecache        int32      `json:"-"`
 }
 
 func (m *ClusterDetails) Reset()         { *m = ClusterDetails{} }
@@ -2242,23 +2250,23 @@ func (m *ClusterDetails) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_ClusterDetails proto.InternalMessageInfo
 
-func (m *ClusterDetails) GetDNNodes() []DNNode {
+func (m *ClusterDetails) GetDNStores() []DNStore {
 	if m != nil {
-		return m.DNNodes
+		return m.DNStores
 	}
 	return nil
 }
 
-func (m *ClusterDetails) GetCNNodes() []CNNode {
+func (m *ClusterDetails) GetCNStores() []CNStore {
 	if m != nil {
-		return m.CNNodes
+		return m.CNStores
 	}
 	return nil
 }
 
-func (m *ClusterDetails) GetLogNodes() []LogNode {
+func (m *ClusterDetails) GetLogStores() []LogStore {
 	if m != nil {
-		return m.LogNodes
+		return m.LogStores
 	}
 	return nil
 }
@@ -2873,9 +2881,9 @@ func init() {
 	proto.RegisterEnum("logservice.HAKeeperState", HAKeeperState_name, HAKeeperState_value)
 	proto.RegisterEnum("logservice.ConfigChangeType", ConfigChangeType_name, ConfigChangeType_value)
 	proto.RegisterEnum("logservice.ServiceType", ServiceType_name, ServiceType_value)
-	proto.RegisterType((*CNNode)(nil), "logservice.CNNode")
-	proto.RegisterType((*DNNode)(nil), "logservice.DNNode")
-	proto.RegisterType((*LogNode)(nil), "logservice.LogNode")
+	proto.RegisterType((*CNStore)(nil), "logservice.CNStore")
+	proto.RegisterType((*DNStore)(nil), "logservice.DNStore")
+	proto.RegisterType((*LogStore)(nil), "logservice.LogStore")
 	proto.RegisterType((*LogShardInfo)(nil), "logservice.LogShardInfo")
 	proto.RegisterMapType((map[uint64]string)(nil), "logservice.LogShardInfo.ReplicasEntry")
 	proto.RegisterType((*LogReplicaInfo)(nil), "logservice.LogReplicaInfo")
@@ -2924,167 +2932,167 @@ func init() {
 func init() { proto.RegisterFile("logservice.proto", fileDescriptor_fd1040c5381ab5a7) }
 
 var fileDescriptor_fd1040c5381ab5a7 = []byte{
-	// 2497 bytes of a gzipped FileDescriptorProto
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+	0x7e, 0x8c, 0x43, 0xdf, 0x19, 0xe8, 0x1a, 0x51, 0x1c, 0xb5, 0x4c, 0xa2, 0xe5, 0x25, 0x3e, 0x6e,
+	0xb6, 0xf1, 0x4f, 0x70, 0x37, 0xc6, 0xae, 0x9e, 0xad, 0xfd, 0x21, 0x23, 0x8d, 0x92, 0xc8, 0x95,
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+	0x40, 0x2a, 0xac, 0xed, 0x7d, 0x82, 0xf5, 0x3c, 0x91, 0x9f, 0x9c, 0xaa, 0x40, 0x0e, 0x4a, 0x05,
+	0x5b, 0x41, 0x6c, 0x63, 0xc7, 0x3d, 0x67, 0xba, 0x6c, 0x9f, 0x47, 0x31, 0x1e, 0x36, 0x06, 0x41,
+	0x84, 0x5d, 0xbd, 0x44, 0x1d, 0x2f, 0xf2, 0xeb, 0x83, 0x90, 0x50, 0x24, 0xc3, 0x70, 0xdd, 0x25,
+	0x5a, 0x39, 0x18, 0xc7, 0x07, 0xa7, 0x36, 0x79, 0xa1, 0xea, 0xa4, 0x7a, 0x55, 0xac, 0x20, 0x96,
+	0x9c, 0x54, 0x3f, 0x65, 0x4e, 0x15, 0x8b, 0x04, 0xaf, 0xf7, 0xd0, 0x0a, 0xe8, 0x22, 0xfd, 0x58,
+	0x41, 0xfc, 0x20, 0x18, 0xfb, 0xae, 0xde, 0x47, 0xab, 0xa0, 0x1f, 0xc4, 0x7d, 0x1c, 0xb2, 0xad,
+	0x99, 0x66, 0xfe, 0x59, 0xa8, 0xfd, 0x59, 0x03, 0x24, 0x78, 0xa5, 0x50, 0x20, 0x7e, 0xe7, 0x75,
+	0x9f, 0xc8, 0x11, 0x20, 0x4d, 0x37, 0x93, 0x08, 0x58, 0x85, 0x25, 0x73, 0x0a, 0x9c, 0x21, 0xaa,
+	0x91, 0x87, 0xa9, 0x22, 0x18, 0xc8, 0x51, 0x1f, 0xe2, 0x38, 0x09, 0xac, 0x1c, 0x7a, 0x7d, 0x2a,
+	0x11, 0x73, 0xd4, 0x3c, 0xb9, 0x6a, 0x1b, 0xb3, 0xb0, 0xe0, 0xb0, 0x3c, 0xaa, 0xc2, 0x8a, 0xda,
+	0x72, 0x73, 0x4c, 0xa1, 0xf6, 0xb9, 0x06, 0x8b, 0x4a, 0xf9, 0x25, 0xc1, 0x29, 0x00, 0x8d, 0x10,
+	0x53, 0x7d, 0xce, 0x91, 0xfd, 0x04, 0x50, 0x19, 0x1d, 0xe8, 0x1a, 0xfa, 0x2e, 0xfc, 0xff, 0x14,
+	0x4a, 0x14, 0x07, 0x1b, 0x77, 0xb1, 0x77, 0x46, 0xfd, 0xe5, 0x0d, 0xb8, 0x3e, 0x45, 0xf6, 0xc0,
+	0xf1, 0x88, 0x33, 0x65, 0xe5, 0x3d, 0xed, 0xb1, 0xef, 0x13, 0xc1, 0xb9, 0x5a, 0x1f, 0xf4, 0xc9,
+	0x39, 0x0e, 0x51, 0x6f, 0xdd, 0x75, 0x79, 0x52, 0xd2, 0xe7, 0x88, 0x97, 0xd8, 0x78, 0x18, 0x9c,
+	0x61, 0x01, 0xd2, 0xa8, 0x97, 0xc4, 0x4e, 0x18, 0x0b, 0x48, 0x86, 0x68, 0xaf, 0x1d, 0x07, 0x23,
+	0x01, 0xc8, 0x12, 0x29, 0x8f, 0xbc, 0xc1, 0xe0, 0xa3, 0x60, 0x78, 0xe2, 0x61, 0x3d, 0x57, 0x7b,
+	0x47, 0x99, 0x60, 0x10, 0x34, 0xf1, 0x03, 0x06, 0xd1, 0xe7, 0x48, 0x66, 0x32, 0x7d, 0xb1, 0xd4,
+	0x76, 0x9b, 0xcf, 0xfe, 0xbe, 0x3e, 0xf7, 0xd5, 0xf3, 0x75, 0xed, 0xd9, 0xf3, 0x75, 0xed, 0x6f,
+	0xcf, 0xd7, 0xb5, 0x8f, 0x6e, 0x4b, 0x7f, 0xea, 0x87, 0x4e, 0x1c, 0x7a, 0x4f, 0x83, 0xd0, 0xeb,
+	0x79, 0xbe, 0x58, 0xf8, 0x78, 0x6b, 0xf4, 0xa4, 0xb7, 0x35, 0x3a, 0xd9, 0x4a, 0x33, 0xeb, 0x49,
+	0x9e, 0xfe, 0xa6, 0xbf, 0xfd, 0xef, 0x00, 0x00, 0x00, 0xff, 0xff, 0xbb, 0xc9, 0x6c, 0x74, 0x05,
+	0x20, 0x00, 0x00,
+}
+
+func (m *CNStore) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
 	n, err := m.MarshalToSizedBuffer(dAtA[:size])
@@ -3094,12 +3102,12 @@ func (m *CNNode) Marshal() (dAtA []byte, err error) {
 	return dAtA[:n], nil
 }
 
-func (m *CNNode) MarshalTo(dAtA []byte) (int, error) {
+func (m *CNStore) MarshalTo(dAtA []byte) (int, error) {
 	size := m.Size()
 	return m.MarshalToSizedBuffer(dAtA[:size])
 }
 
-func (m *CNNode) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+func (m *CNStore) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	i := len(dAtA)
 	_ = i
 	var l int
@@ -3135,7 +3143,7 @@ func (m *CNNode) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	return len(dAtA) - i, nil
 }
 
-func (m *DNNode) Marshal() (dAtA []byte, err error) {
+func (m *DNStore) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
 	n, err := m.MarshalToSizedBuffer(dAtA[:size])
@@ -3145,12 +3153,12 @@ func (m *DNNode) Marshal() (dAtA []byte, err error) {
 	return dAtA[:n], nil
 }
 
-func (m *DNNode) MarshalTo(dAtA []byte) (int, error) {
+func (m *DNStore) MarshalTo(dAtA []byte) (int, error) {
 	size := m.Size()
 	return m.MarshalToSizedBuffer(dAtA[:size])
 }
 
-func (m *DNNode) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+func (m *DNStore) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	i := len(dAtA)
 	_ = i
 	var l int
@@ -3159,6 +3167,20 @@ func (m *DNNode) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		i -= len(m.XXX_unrecognized)
 		copy(dAtA[i:], m.XXX_unrecognized)
 	}
+	if len(m.Shards) > 0 {
+		for iNdEx := len(m.Shards) - 1; iNdEx >= 0; iNdEx-- {
+			{
+				size, err := m.Shards[iNdEx].MarshalToSizedBuffer(dAtA[:i])
+				if err != nil {
+					return 0, err
+				}
+				i -= size
+				i = encodeVarintLogservice(dAtA, i, uint64(size))
+			}
+			i--
+			dAtA[i] = 0x2a
+		}
+	}
 	if m.State != 0 {
 		i = encodeVarintLogservice(dAtA, i, uint64(m.State))
 		i--
@@ -3186,7 +3208,7 @@ func (m *DNNode) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	return len(dAtA) - i, nil
 }
 
-func (m *LogNode) Marshal() (dAtA []byte, err error) {
+func (m *LogStore) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
 	n, err := m.MarshalToSizedBuffer(dAtA[:size])
@@ -3196,12 +3218,12 @@ func (m *LogNode) Marshal() (dAtA []byte, err error) {
 	return dAtA[:n], nil
 }
 
-func (m *LogNode) MarshalTo(dAtA []byte) (int, error) {
+func (m *LogStore) MarshalTo(dAtA []byte) (int, error) {
 	size := m.Size()
 	return m.MarshalToSizedBuffer(dAtA[:size])
 }
 
-func (m *LogNode) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+func (m *LogStore) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	i := len(dAtA)
 	_ = i
 	var l int
@@ -4567,10 +4589,10 @@ func (m *ClusterDetails) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		i -= len(m.XXX_unrecognized)
 		copy(dAtA[i:], m.XXX_unrecognized)
 	}
-	if len(m.LogNodes) > 0 {
-		for iNdEx := len(m.LogNodes) - 1; iNdEx >= 0; iNdEx-- {
+	if len(m.LogStores) > 0 {
+		for iNdEx := len(m.LogStores) - 1; iNdEx >= 0; iNdEx-- {
 			{
-				size, err := m.LogNodes[iNdEx].MarshalToSizedBuffer(dAtA[:i])
+				size, err := m.LogStores[iNdEx].MarshalToSizedBuffer(dAtA[:i])
 				if err != nil {
 					return 0, err
 				}
@@ -4581,10 +4603,10 @@ func (m *ClusterDetails) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 			dAtA[i] = 0x1a
 		}
 	}
-	if len(m.CNNodes) > 0 {
-		for iNdEx := len(m.CNNodes) - 1; iNdEx >= 0; iNdEx-- {
+	if len(m.CNStores) > 0 {
+		for iNdEx := len(m.CNStores) - 1; iNdEx >= 0; iNdEx-- {
 			{
-				size, err := m.CNNodes[iNdEx].MarshalToSizedBuffer(dAtA[:i])
+				size, err := m.CNStores[iNdEx].MarshalToSizedBuffer(dAtA[:i])
 				if err != nil {
 					return 0, err
 				}
@@ -4595,10 +4617,10 @@ func (m *ClusterDetails) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 			dAtA[i] = 0x12
 		}
 	}
-	if len(m.DNNodes) > 0 {
-		for iNdEx := len(m.DNNodes) - 1; iNdEx >= 0; iNdEx-- {
+	if len(m.DNStores) > 0 {
+		for iNdEx := len(m.DNStores) - 1; iNdEx >= 0; iNdEx-- {
 			{
-				size, err := m.DNNodes[iNdEx].MarshalToSizedBuffer(dAtA[:i])
+				size, err := m.DNStores[iNdEx].MarshalToSizedBuffer(dAtA[:i])
 				if err != nil {
 					return 0, err
 				}
@@ -5165,7 +5187,7 @@ func encodeVarintLogservice(dAtA []byte, offset int, v uint64) int {
 	dAtA[offset] = uint8(v)
 	return base
 }
-func (m *CNNode) Size() (n int) {
+func (m *CNStore) Size() (n int) {
 	if m == nil {
 		return 0
 	}
@@ -5191,7 +5213,7 @@ func (m *CNNode) Size() (n int) {
 	return n
 }
 
-func (m *DNNode) Size() (n int) {
+func (m *DNStore) Size() (n int) {
 	if m == nil {
 		return 0
 	}
@@ -5211,13 +5233,19 @@ func (m *DNNode) Size() (n int) {
 	if m.State != 0 {
 		n += 1 + sovLogservice(uint64(m.State))
 	}
+	if len(m.Shards) > 0 {
+		for _, e := range m.Shards {
+			l = e.Size()
+			n += 1 + l + sovLogservice(uint64(l))
+		}
+	}
 	if m.XXX_unrecognized != nil {
 		n += len(m.XXX_unrecognized)
 	}
 	return n
 }
 
-func (m *LogNode) Size() (n int) {
+func (m *LogStore) Size() (n int) {
 	if m == nil {
 		return 0
 	}
@@ -5844,20 +5872,20 @@ func (m *ClusterDetails) Size() (n int) {
 	}
 	var l int
 	_ = l
-	if len(m.DNNodes) > 0 {
-		for _, e := range m.DNNodes {
+	if len(m.DNStores) > 0 {
+		for _, e := range m.DNStores {
 			l = e.Size()
 			n += 1 + l + sovLogservice(uint64(l))
 		}
 	}
-	if len(m.CNNodes) > 0 {
-		for _, e := range m.CNNodes {
+	if len(m.CNStores) > 0 {
+		for _, e := range m.CNStores {
 			l = e.Size()
 			n += 1 + l + sovLogservice(uint64(l))
 		}
 	}
-	if len(m.LogNodes) > 0 {
-		for _, e := range m.LogNodes {
+	if len(m.LogStores) > 0 {
+		for _, e := range m.LogStores {
 			l = e.Size()
 			n += 1 + l + sovLogservice(uint64(l))
 		}
@@ -6108,7 +6136,7 @@ func sovLogservice(x uint64) (n int) {
 func sozLogservice(x uint64) (n int) {
 	return sovLogservice(uint64((x << 1) ^ uint64((int64(x) >> 63))))
 }
-func (m *CNNode) Unmarshal(dAtA []byte) error {
+func (m *CNStore) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
 	for iNdEx < l {
@@ -6131,10 +6159,10 @@ func (m *CNNode) Unmarshal(dAtA []byte) error {
 		fieldNum := int32(wire >> 3)
 		wireType := int(wire & 0x7)
 		if wireType == 4 {
-			return fmt.Errorf("proto: CNNode: wiretype end group for non-group")
+			return fmt.Errorf("proto: CNStore: wiretype end group for non-group")
 		}
 		if fieldNum <= 0 {
-			return fmt.Errorf("proto: CNNode: illegal tag %d (wire type %d)", fieldNum, wire)
+			return fmt.Errorf("proto: CNStore: illegal tag %d (wire type %d)", fieldNum, wire)
 		}
 		switch fieldNum {
 		case 1:
@@ -6261,7 +6289,7 @@ func (m *CNNode) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
-func (m *DNNode) Unmarshal(dAtA []byte) error {
+func (m *DNStore) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
 	for iNdEx < l {
@@ -6284,10 +6312,10 @@ func (m *DNNode) Unmarshal(dAtA []byte) error {
 		fieldNum := int32(wire >> 3)
 		wireType := int(wire & 0x7)
 		if wireType == 4 {
-			return fmt.Errorf("proto: DNNode: wiretype end group for non-group")
+			return fmt.Errorf("proto: DNStore: wiretype end group for non-group")
 		}
 		if fieldNum <= 0 {
-			return fmt.Errorf("proto: DNNode: illegal tag %d (wire type %d)", fieldNum, wire)
+			return fmt.Errorf("proto: DNStore: illegal tag %d (wire type %d)", fieldNum, wire)
 		}
 		switch fieldNum {
 		case 1:
@@ -6392,6 +6420,40 @@ func (m *DNNode) Unmarshal(dAtA []byte) error {
 					break
 				}
 			}
+		case 5:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Shards", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowLogservice
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthLogservice
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthLogservice
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Shards = append(m.Shards, DNShardInfo{})
+			if err := m.Shards[len(m.Shards)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipLogservice(dAtA[iNdEx:])
@@ -6414,7 +6476,7 @@ func (m *DNNode) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
-func (m *LogNode) Unmarshal(dAtA []byte) error {
+func (m *LogStore) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
 	for iNdEx < l {
@@ -6437,10 +6499,10 @@ func (m *LogNode) Unmarshal(dAtA []byte) error {
 		fieldNum := int32(wire >> 3)
 		wireType := int(wire & 0x7)
 		if wireType == 4 {
-			return fmt.Errorf("proto: LogNode: wiretype end group for non-group")
+			return fmt.Errorf("proto: LogStore: wiretype end group for non-group")
 		}
 		if fieldNum <= 0 {
-			return fmt.Errorf("proto: LogNode: illegal tag %d (wire type %d)", fieldNum, wire)
+			return fmt.Errorf("proto: LogStore: illegal tag %d (wire type %d)", fieldNum, wire)
 		}
 		switch fieldNum {
 		case 1:
@@ -10358,7 +10420,7 @@ func (m *ClusterDetails) Unmarshal(dAtA []byte) error {
 		switch fieldNum {
 		case 1:
 			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field DNNodes", wireType)
+				return fmt.Errorf("proto: wrong wireType = %d for field DNStores", wireType)
 			}
 			var msglen int
 			for shift := uint(0); ; shift += 7 {
@@ -10385,14 +10447,14 @@ func (m *ClusterDetails) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			m.DNNodes = append(m.DNNodes, DNNode{})
-			if err := m.DNNodes[len(m.DNNodes)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+			m.DNStores = append(m.DNStores, DNStore{})
+			if err := m.DNStores[len(m.DNStores)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
 				return err
 			}
 			iNdEx = postIndex
 		case 2:
 			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field CNNodes", wireType)
+				return fmt.Errorf("proto: wrong wireType = %d for field CNStores", wireType)
 			}
 			var msglen int
 			for shift := uint(0); ; shift += 7 {
@@ -10419,14 +10481,14 @@ func (m *ClusterDetails) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			m.CNNodes = append(m.CNNodes, CNNode{})
-			if err := m.CNNodes[len(m.CNNodes)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+			m.CNStores = append(m.CNStores, CNStore{})
+			if err := m.CNStores[len(m.CNStores)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
 				return err
 			}
 			iNdEx = postIndex
 		case 3:
 			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field LogNodes", wireType)
+				return fmt.Errorf("proto: wrong wireType = %d for field LogStores", wireType)
 			}
 			var msglen int
 			for shift := uint(0); ; shift += 7 {
@@ -10453,8 +10515,8 @@ func (m *ClusterDetails) Unmarshal(dAtA []byte) error {
 			if postIndex > l {
 				return io.ErrUnexpectedEOF
 			}
-			m.LogNodes = append(m.LogNodes, LogNode{})
-			if err := m.LogNodes[len(m.LogNodes)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+			m.LogStores = append(m.LogStores, LogStore{})
+			if err := m.LogStores[len(m.LogStores)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
 				return err
 			}
 			iNdEx = postIndex
diff --git a/pkg/pb/plan/plan.pb.go b/pkg/pb/plan/plan.pb.go
index 8cd90b318..3e8e4bc7d 100644
--- a/pkg/pb/plan/plan.pb.go
+++ b/pkg/pb/plan/plan.pb.go
@@ -747,6 +747,7 @@ func (m *Type) GetScale() int32 {
 type Const struct {
 	Isnull bool `protobuf:"varint,1,opt,name=isnull,proto3" json:"isnull,omitempty"`
 	// Types that are valid to be assigned to Value:
+	//
 	//	*Const_Ival
 	//	*Const_Dval
 	//	*Const_Sval
@@ -1561,6 +1562,7 @@ func (m *Function) GetArgs() []*Expr {
 type Expr struct {
 	Typ *Type `protobuf:"bytes,1,opt,name=typ,proto3" json:"typ,omitempty"`
 	// Types that are valid to be assigned to Expr:
+	//
 	//	*Expr_C
 	//	*Expr_P
 	//	*Expr_V
@@ -2353,6 +2355,7 @@ func (m *TableDef) GetName2ColIndex() map[string]int32 {
 
 type TableDef_DefType struct {
 	// Types that are valid to be assigned to Def:
+	//
 	//	*TableDef_DefType_Pk
 	//	*TableDef_DefType_Idx
 	//	*TableDef_DefType_Properties
@@ -3422,9 +3425,10 @@ func (m *Query) GetHeadings() []string {
 }
 
 type TransationControl struct {
-	//TransationControl type
+	// TransationControl type
 	TclType TransationControl_TclType `protobuf:"varint,1,opt,name=tcl_type,json=tclType,proto3,enum=plan.TransationControl_TclType" json:"tcl_type,omitempty"`
 	// Types that are valid to be assigned to Action:
+	//
 	//	*TransationControl_Begin
 	//	*TransationControl_Commit
 	//	*TransationControl_Rollback
@@ -3674,6 +3678,7 @@ func (m *TransationRollback) GetCompletionType() TransationCompletionType {
 
 type Plan struct {
 	// Types that are valid to be assigned to Plan:
+	//
 	//	*Plan_Query
 	//	*Plan_Tcl
 	//	*Plan_Ddl
@@ -3934,9 +3939,10 @@ func (m *Column) GetColumn() []*Expr {
 }
 
 type DataControl struct {
-	//DataDefinition type
+	// DataDefinition type
 	DclType DataControl_DclType `protobuf:"varint,1,opt,name=dcl_type,json=dclType,proto3,enum=plan.DataControl_DclType" json:"dcl_type,omitempty"`
 	// Types that are valid to be assigned to Control:
+	//
 	//	*DataControl_SetVariables
 	//	*DataControl_Prepare
 	//	*DataControl_Execute
@@ -4057,13 +4063,14 @@ func (*DataControl) XXX_OneofWrappers() []interface{} {
 }
 
 type DataDefinition struct {
-	//DataDefinition type
+	// DataDefinition type
 	DdlType DataDefinition_DdlType `protobuf:"varint,1,opt,name=ddl_type,json=ddlType,proto3,enum=plan.DataDefinition_DdlType" json:"ddl_type,omitempty"`
-	//other show statement we will rewrite to a select statement
-	//then we will get a Query
-	//eg: 'show databases' will rewrite to 'select md.datname as `Database` from mo_database md'
+	// other show statement we will rewrite to a select statement
+	// then we will get a Query
+	// eg: 'show databases' will rewrite to 'select md.datname as `Database` from mo_database md'
 	Query *Query `protobuf:"bytes,2,opt,name=query,proto3" json:"query,omitempty"`
 	// Types that are valid to be assigned to Definition:
+	//
 	//	*DataDefinition_CreateDatabase
 	//	*DataDefinition_AlterDatabase
 	//	*DataDefinition_DropDatabase
diff --git a/pkg/vm/engine/txn/engine.go b/pkg/vm/engine/txn/engine.go
index 77ec4ca32..a75d14973 100644
--- a/pkg/vm/engine/txn/engine.go
+++ b/pkg/vm/engine/txn/engine.go
@@ -141,11 +141,11 @@ func (e *Engine) Nodes() (engine.Nodes, error) {
 	}
 
 	var nodes engine.Nodes
-	for _, node := range clusterDetails.CNNodes {
+	for _, store := range clusterDetails.CNStores {
 		nodes = append(nodes, engine.Node{
 			Mcpu: 1,
-			Id:   node.UUID,
-			Addr: node.ServiceAddress,
+			Id:   store.UUID,
+			Addr: store.ServiceAddress,
 		})
 	}
 
diff --git a/pkg/vm/engine/txn/shard.go b/pkg/vm/engine/txn/shard.go
index f6c44cd97..f41f76bf6 100644
--- a/pkg/vm/engine/txn/shard.go
+++ b/pkg/vm/engine/txn/shard.go
@@ -24,9 +24,9 @@ import (
 type Shard = metadata.DNShard
 
 type ShardPolicy interface {
-	Vector(vec *vector.Vector, nodes []logservicepb.DNNode) ([]*ShardedVector, error)
-	Batch(batch *batch.Batch, nodes []logservicepb.DNNode) ([]*ShardedBatch, error)
-	Nodes(nodes []logservicepb.DNNode) ([]Shard, error)
+	Vector(vec *vector.Vector, nodes []logservicepb.DNStore) ([]*ShardedVector, error)
+	Batch(batch *batch.Batch, nodes []logservicepb.DNStore) ([]*ShardedBatch, error)
+	Stores(stores []logservicepb.DNStore) ([]Shard, error)
 }
 
 type ShardedVector struct {
@@ -44,7 +44,7 @@ func (e *Engine) allNodesShards() ([]Shard, error) {
 	if err != nil {
 		return nil, err
 	}
-	return e.shardPolicy.Nodes(clusterDetails.DNNodes)
+	return e.shardPolicy.Stores(clusterDetails.DNStores)
 }
 
 func (e *Engine) firstNodeShard() ([]Shard, error) {
@@ -52,7 +52,7 @@ func (e *Engine) firstNodeShard() ([]Shard, error) {
 	if err != nil {
 		return nil, err
 	}
-	return e.shardPolicy.Nodes(clusterDetails.DNNodes[:1])
+	return e.shardPolicy.Stores(clusterDetails.DNStores[:1])
 }
 
 func thisShard(shard Shard) func() ([]Shard, error) {
diff --git a/pkg/vm/engine/txn/table.go b/pkg/vm/engine/txn/table.go
index 2660d5417..2c13e4b2a 100644
--- a/pkg/vm/engine/txn/table.go
+++ b/pkg/vm/engine/txn/table.go
@@ -87,7 +87,7 @@ func (t *Table) Delete(ctx context.Context, vec *vector.Vector, _ string) error
 	}
 	shards, err := t.engine.shardPolicy.Vector(
 		vec,
-		clusterDetails.DNNodes,
+		clusterDetails.DNStores,
 	)
 	if err != nil {
 		return err
@@ -147,7 +147,7 @@ func (t *Table) Ranges(ctx context.Context) ([][]byte, error) {
 	if err != nil {
 		return nil, err
 	}
-	nodes := clusterDetails.DNNodes
+	nodes := clusterDetails.DNStores
 	shards := make([][]byte, 0, len(nodes))
 	for _, node := range nodes {
 		shards = append(shards, []byte(node.UUID))
@@ -209,7 +209,7 @@ func (t *Table) Update(ctx context.Context, data *batch.Batch) error {
 
 	shards, err := t.engine.shardPolicy.Batch(
 		data,
-		clusterDetails.DNNodes,
+		clusterDetails.DNStores,
 	)
 	if err != nil {
 		return err
@@ -244,7 +244,7 @@ func (t *Table) Write(ctx context.Context, data *batch.Batch) error {
 
 	shards, err := t.engine.shardPolicy.Batch(
 		data,
-		clusterDetails.DNNodes,
+		clusterDetails.DNStores,
 	)
 	if err != nil {
 		return err
diff --git a/pkg/vm/engine/txn/table_reader.go b/pkg/vm/engine/txn/table_reader.go
index f01d78c05..5b08b2960 100644
--- a/pkg/vm/engine/txn/table_reader.go
+++ b/pkg/vm/engine/txn/table_reader.go
@@ -52,22 +52,22 @@ func (t *Table) NewReader(
 	}
 
 	readers = make([]engine.Reader, parallel)
-	nodes := clusterDetails.DNNodes
+	stores := clusterDetails.DNStores
 
 	if len(shards) > 0 {
 		uuidSet := make(map[string]bool)
 		for _, shard := range shards {
 			uuidSet[string(shard)] = true
 		}
-		filteredNodes := nodes[:0]
-		for _, node := range nodes {
+		filteredNodes := stores[:0]
+		for _, node := range stores {
 			if uuidSet[node.UUID] {
 				filteredNodes = append(filteredNodes, node)
 			}
 		}
-		nodes = filteredNodes
+		stores = filteredNodes
 	}
-	dnShards, err := t.engine.shardPolicy.Nodes(nodes)
+	dnShards, err := t.engine.shardPolicy.Stores(stores)
 	if err != nil {
 		return nil, err
 	}
diff --git a/proto/logservice.proto b/proto/logservice.proto
index 7df34cd75..f36d715b1 100644
--- a/proto/logservice.proto
+++ b/proto/logservice.proto
@@ -35,21 +35,23 @@ enum NodeState {
   TimeoutState = 1;
 }
 
-message CNNode {
+message CNStore {
   string    UUID           = 1;
   string    ServiceAddress = 2;
   uint64    Tick           = 3;
   NodeState State          = 4;
 }
 
-message DNNode {
+message DNStore {
   string    UUID           = 1;
   string    ServiceAddress = 2;
   uint64    Tick           = 3;
   NodeState State          = 4;
+
+  repeated DNShardInfo Shards = 5 [(gogoproto.nullable) = false];
 }
 
-message LogNode {
+message LogStore {
   string    UUID           = 1;
   string    ServiceAddress = 2;
   uint64    Tick           = 3;
@@ -346,9 +348,9 @@ message DNState {
 }
 
 message ClusterDetails {
-  repeated DNNode  DNNodes  = 1 [(gogoproto.nullable) = false];
-  repeated CNNode  CNNodes  = 2 [(gogoproto.nullable) = false];
-  repeated LogNode LogNodes = 3 [(gogoproto.nullable) = false];
+  repeated DNStore  DNStores    = 1 [(gogoproto.nullable) = false];
+  repeated CNStore  CNStores    = 2 [(gogoproto.nullable) = false];
+  repeated LogStore LogStores   = 3 [(gogoproto.nullable) = false];
 }
 
 // ClusterInfo provides a global view of all shards in the cluster. It


Test patch:
diff --git a/pkg/hakeeper/rsm_test.go b/pkg/hakeeper/rsm_test.go
index db847e3a7..ec71af6bc 100644
--- a/pkg/hakeeper/rsm_test.go
+++ b/pkg/hakeeper/rsm_test.go
@@ -339,6 +339,13 @@ func TestClusterDetailsQuery(t *testing.T) {
 	tsm.state.DNState.Stores["uuid3"] = pb.DNStoreInfo{
 		Tick:           3,
 		ServiceAddress: "addr3",
+
+		Shards: []pb.DNShardInfo{
+			{
+				ShardID:   2,
+				ReplicaID: 1,
+			},
+		},
 	}
 	tsm.state.LogState.Shards[1] = pb.LogShardInfo{
 		ShardID:  1,
@@ -385,14 +392,20 @@ func TestClusterDetailsQuery(t *testing.T) {
 	v, err := tsm.Lookup(&ClusterDetailsQuery{})
 	require.NoError(t, err)
 	expected := &pb.ClusterDetails{
-		DNNodes: []pb.DNNode{
+		DNStores: []pb.DNStore{
 			{
 				UUID:           "uuid3",
 				Tick:           3,
 				ServiceAddress: "addr3",
+				Shards: []pb.DNShardInfo{
+					{
+						ShardID:   2,
+						ReplicaID: 1,
+					},
+				},
 			},
 		},
-		CNNodes: []pb.CNNode{
+		CNStores: []pb.CNStore{
 			{
 				UUID:           "uuid1",
 				Tick:           1,
@@ -404,7 +417,7 @@ func TestClusterDetailsQuery(t *testing.T) {
 				ServiceAddress: "addr2",
 			},
 		},
-		LogNodes: []pb.LogNode{
+		LogStores: []pb.LogStore{
 			{
 				UUID:           "store-1",
 				ServiceAddress: "addr-log-1",
@@ -447,11 +460,11 @@ func TestClusterDetailsQuery(t *testing.T) {
 		},
 	}
 	result := v.(*pb.ClusterDetails)
-	sort.Slice(result.CNNodes, func(i, j int) bool {
-		return result.CNNodes[i].UUID < result.CNNodes[j].UUID
+	sort.Slice(result.CNStores, func(i, j int) bool {
+		return result.CNStores[i].UUID < result.CNStores[j].UUID
 	})
-	sort.Slice(result.LogNodes, func(i, j int) bool {
-		return result.LogNodes[i].UUID < result.LogNodes[j].UUID
+	sort.Slice(result.LogStores, func(i, j int) bool {
+		return result.LogStores[i].UUID < result.LogStores[j].UUID
 	})
 	assert.Equal(t, expected, result)
 }
diff --git a/pkg/logservice/hakeeper_client_test.go b/pkg/logservice/hakeeper_client_test.go
index 8d51e91e9..9ee39c414 100644
--- a/pkg/logservice/hakeeper_client_test.go
+++ b/pkg/logservice/hakeeper_client_test.go
@@ -189,16 +189,16 @@ func TestHAKeeperClientSendCNHeartbeat(t *testing.T) {
 
 		cd, err := c1.GetClusterDetails(ctx)
 		require.NoError(t, err)
-		cn := pb.CNNode{
+		cn := pb.CNStore{
 			UUID:           s.ID(),
 			ServiceAddress: "addr1",
 		}
-		dn := pb.DNNode{
+		dn := pb.DNStore{
 			UUID:           s.ID(),
 			ServiceAddress: "addr2",
 		}
-		assert.Equal(t, []pb.CNNode{cn}, cd.CNNodes)
-		assert.Equal(t, []pb.DNNode{dn}, cd.DNNodes)
+		assert.Equal(t, []pb.CNStore{cn}, cd.CNStores)
+		assert.Equal(t, []pb.DNStore{dn}, cd.DNStores)
 	}
 	runServiceTest(t, true, true, fn)
 }
diff --git a/pkg/vm/engine/txn/test/env.go b/pkg/vm/engine/txn/test/env.go
index 6028fcd69..633cca543 100644
--- a/pkg/vm/engine/txn/test/env.go
+++ b/pkg/vm/engine/txn/test/env.go
@@ -72,7 +72,7 @@ func newEnv(ctx context.Context) (*testEnv, error) {
 		env,
 		func() (details logservicepb.ClusterDetails, err error) {
 			for _, node := range env.nodes {
-				details.DNNodes = append(details.DNNodes, node.info)
+				details.DNStores = append(details.DNStores, node.info)
 			}
 			return
 		},
diff --git a/pkg/vm/engine/txn/test/node.go b/pkg/vm/engine/txn/test/node.go
index 91b283686..fd383e7bb 100644
--- a/pkg/vm/engine/txn/test/node.go
+++ b/pkg/vm/engine/txn/test/node.go
@@ -28,7 +28,7 @@ import (
 )
 
 type Node struct {
-	info logservicepb.DNNode
+	info logservicepb.DNStore
 	// one node, one shard, one service
 	service service.TxnService
 	shard   metadata.DNShard
@@ -52,7 +52,7 @@ func (t *testEnv) NewNode(id uint64) *Node {
 		panic(err)
 	}
 
-	nodeInfo := logservicepb.DNNode{
+	nodeInfo := logservicepb.DNStore{
 		UUID:           uuid.NewString(),
 		ServiceAddress: shard.Address,
 		State:          logservicepb.NormalState,
diff --git a/pkg/vm/engine/txn/test/shard.go b/pkg/vm/engine/txn/test/shard.go
index 0845c1fbd..c764cdef1 100644
--- a/pkg/vm/engine/txn/test/shard.go
+++ b/pkg/vm/engine/txn/test/shard.go
@@ -23,7 +23,7 @@ import (
 
 var _ txnengine.ShardPolicy = new(testEnv)
 
-func (t *testEnv) Batch(batch *batch.Batch, nodes []logservicepb.DNNode) (shards []*txnengine.ShardedBatch, err error) {
+func (t *testEnv) Batch(batch *batch.Batch, nodes []logservicepb.DNStore) (shards []*txnengine.ShardedBatch, err error) {
 	shards = append(shards, &txnengine.ShardedBatch{
 		Shard: t.nodes[0].shard,
 		Batch: batch,
@@ -31,7 +31,7 @@ func (t *testEnv) Batch(batch *batch.Batch, nodes []logservicepb.DNNode) (shards
 	return
 }
 
-func (t *testEnv) Vector(vec *vector.Vector, nodes []logservicepb.DNNode) (shards []*txnengine.ShardedVector, err error) {
+func (t *testEnv) Vector(vec *vector.Vector, nodes []logservicepb.DNStore) (shards []*txnengine.ShardedVector, err error) {
 	shards = append(shards, &txnengine.ShardedVector{
 		Shard:  t.nodes[0].shard,
 		Vector: vec,
@@ -39,7 +39,7 @@ func (t *testEnv) Vector(vec *vector.Vector, nodes []logservicepb.DNNode) (shard
 	return
 }
 
-func (t *testEnv) Nodes(nodes []logservicepb.DNNode) (shards []txnengine.Shard, err error) {
+func (t *testEnv) Stores(nodes []logservicepb.DNStore) (shards []txnengine.Shard, err error) {
 	for _, node := range nodes {
 		for _, n := range t.nodes {
 			if n.info.UUID == node.UUID {