diff --git a/pkg/pb/metadata/metadata.pb.go b/pkg/pb/metadata/metadata.pb.go
new file mode 100644
index 0000000000000000000000000000000000000000..03d7a463377036cc98e666d03be8d76afb7cd7e7
--- /dev/null
+++ b/pkg/pb/metadata/metadata.pb.go
@@ -0,0 +1,576 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: metadata.proto
+
+package metadata
+
+import (
+ fmt "fmt"
+ _ "github.com/gogo/protobuf/gogoproto"
+ proto "github.com/gogo/protobuf/proto"
+ io "io"
+ math "math"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.GoGoProtoPackageIsVersion2 // please upgrade the proto package
+
+// DN dn node metadata
+type DN struct {
+ // ID the id of the DN. The ID is not modified after the DN is created.
+ ID uint64 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
+ // ReplicaID only one replica for one DN. The ReplicaID is specified at
+ // the time the DN is created. DN restart ReplicaID will not change, when
+ // a DN is migrated to another node, the ReplicaID will be reset.
+ ReplicaID uint64 `protobuf:"varint,2,opt,name=replicaID,proto3" json:"replicaID,omitempty"`
+ // LogShardID a DN corresponds to a unique Shard of LogService.
+ LogShardID uint64 `protobuf:"varint,3,opt,name=logShardID,proto3" json:"logShardID,omitempty"`
+ // Start A DN manages data within a range [Start, end)
+ Start []byte `protobuf:"bytes,4,opt,name=start,proto3" json:"start,omitempty"`
+ // End A DN manages data within a range [Start, end)
+ End []byte `protobuf:"bytes,5,opt,name=end,proto3" json:"end,omitempty"`
+ // Address DN external service address.
+ Address string `protobuf:"bytes,6,opt,name=address,proto3" json:"address,omitempty"`
+ XXX_NoUnkeyedLiteral struct{} `json:"-"`
+ XXX_unrecognized []byte `json:"-"`
+ XXX_sizecache int32 `json:"-"`
+}
+
+func (m *DN) Reset() { *m = DN{} }
+func (m *DN) String() string { return proto.CompactTextString(m) }
+func (*DN) ProtoMessage() {}
+func (*DN) Descriptor() ([]byte, []int) {
+ return fileDescriptor_56d9f74966f40d04, []int{0}
+}
+func (m *DN) XXX_Unmarshal(b []byte) error {
+ return m.Unmarshal(b)
+}
+func (m *DN) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+ if deterministic {
+ return xxx_messageInfo_DN.Marshal(b, m, deterministic)
+ } else {
+ b = b[:cap(b)]
+ n, err := m.MarshalTo(b)
+ if err != nil {
+ return nil, err
+ }
+ return b[:n], nil
+ }
+}
+func (m *DN) XXX_Merge(src proto.Message) {
+ xxx_messageInfo_DN.Merge(m, src)
+}
+func (m *DN) XXX_Size() int {
+ return m.Size()
+}
+func (m *DN) XXX_DiscardUnknown() {
+ xxx_messageInfo_DN.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_DN proto.InternalMessageInfo
+
+func (m *DN) GetID() uint64 {
+ if m != nil {
+ return m.ID
+ }
+ return 0
+}
+
+func (m *DN) GetReplicaID() uint64 {
+ if m != nil {
+ return m.ReplicaID
+ }
+ return 0
+}
+
+func (m *DN) GetLogShardID() uint64 {
+ if m != nil {
+ return m.LogShardID
+ }
+ return 0
+}
+
+func (m *DN) GetStart() []byte {
+ if m != nil {
+ return m.Start
+ }
+ return nil
+}
+
+func (m *DN) GetEnd() []byte {
+ if m != nil {
+ return m.End
+ }
+ return nil
+}
+
+func (m *DN) GetAddress() string {
+ if m != nil {
+ return m.Address
+ }
+ return ""
+}
+
+func init() {
+ proto.RegisterType((*DN)(nil), "metadata.DN")
+}
+
+func init() { proto.RegisterFile("metadata.proto", fileDescriptor_56d9f74966f40d04) }
+
+var fileDescriptor_56d9f74966f40d04 = []byte{
+ // 245 bytes of a gzipped FileDescriptorProto
+ 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x4c, 0x90, 0x41, 0x4a, 0xc4, 0x30,
+ 0x14, 0x86, 0x79, 0x99, 0x99, 0xea, 0x3c, 0x44, 0x24, 0x88, 0x04, 0x91, 0x5a, 0x5c, 0x75, 0xe3,
+ 0x04, 0xf1, 0x00, 0xc2, 0xd0, 0x4d, 0x37, 0x2e, 0xea, 0xce, 0xdd, 0xeb, 0x24, 0x66, 0x82, 0xd3,
+ 0xa6, 0xa4, 0x19, 0xf0, 0x30, 0x1e, 0xc8, 0xa5, 0x27, 0x10, 0xe9, 0x49, 0x64, 0x32, 0x14, 0xbb,
+ 0xfb, 0xbf, 0xef, 0x4f, 0x16, 0xff, 0xc3, 0xf3, 0x46, 0x07, 0x52, 0x14, 0x68, 0xd5, 0x79, 0x17,
+ 0x1c, 0x3f, 0x1d, 0xf9, 0xfa, 0xde, 0xd8, 0xb0, 0xdd, 0xd7, 0xab, 0x8d, 0x6b, 0xa4, 0x71, 0xc6,
+ 0xc9, 0xf8, 0xa0, 0xde, 0xbf, 0x45, 0x8a, 0x10, 0xd3, 0xf1, 0xe3, 0xdd, 0x27, 0x20, 0x2b, 0x9e,
+ 0xf9, 0x15, 0x32, 0xab, 0x04, 0x64, 0x90, 0xcf, 0xd7, 0xc9, 0xf0, 0x73, 0xcb, 0xca, 0xa2, 0x62,
+ 0x56, 0xf1, 0x1b, 0x5c, 0x7a, 0xdd, 0xed, 0xec, 0x86, 0xca, 0x42, 0xb0, 0x43, 0x5d, 0xfd, 0x0b,
+ 0x9e, 0x22, 0xee, 0x9c, 0x79, 0xd9, 0x92, 0x57, 0x65, 0x21, 0x66, 0xb1, 0x9e, 0x18, 0x7e, 0x89,
+ 0x8b, 0x3e, 0x90, 0x0f, 0x62, 0x9e, 0x41, 0x7e, 0x56, 0x1d, 0x81, 0x5f, 0xe0, 0x4c, 0xb7, 0x4a,
+ 0x2c, 0xa2, 0x3b, 0x44, 0x2e, 0xf0, 0x84, 0x94, 0xf2, 0xba, 0xef, 0x45, 0x92, 0x41, 0xbe, 0xac,
+ 0x46, 0x5c, 0x3f, 0x7d, 0x0d, 0x29, 0x7c, 0x0f, 0x29, 0xfc, 0x0e, 0x29, 0xbc, 0x3e, 0x4c, 0xb6,
+ 0x35, 0x14, 0xbc, 0xfd, 0x70, 0xde, 0x1a, 0xdb, 0x8e, 0xd0, 0x6a, 0xd9, 0xbd, 0x1b, 0xd9, 0xd5,
+ 0x72, 0x3c, 0x47, 0x9d, 0xc4, 0x99, 0x8f, 0x7f, 0x01, 0x00, 0x00, 0xff, 0xff, 0xf4, 0xf5, 0x5c,
+ 0xb9, 0x31, 0x01, 0x00, 0x00,
+}
+
+func (m *DN) Marshal() (dAtA []byte, err error) {
+ size := m.Size()
+ dAtA = make([]byte, size)
+ n, err := m.MarshalTo(dAtA)
+ if err != nil {
+ return nil, err
+ }
+ return dAtA[:n], nil
+}
+
+func (m *DN) MarshalTo(dAtA []byte) (int, error) {
+ var i int
+ _ = i
+ var l int
+ _ = l
+ if m.ID != 0 {
+ dAtA[i] = 0x8
+ i++
+ i = encodeVarintMetadata(dAtA, i, uint64(m.ID))
+ }
+ if m.ReplicaID != 0 {
+ dAtA[i] = 0x10
+ i++
+ i = encodeVarintMetadata(dAtA, i, uint64(m.ReplicaID))
+ }
+ if m.LogShardID != 0 {
+ dAtA[i] = 0x18
+ i++
+ i = encodeVarintMetadata(dAtA, i, uint64(m.LogShardID))
+ }
+ if len(m.Start) > 0 {
+ dAtA[i] = 0x22
+ i++
+ i = encodeVarintMetadata(dAtA, i, uint64(len(m.Start)))
+ i += copy(dAtA[i:], m.Start)
+ }
+ if len(m.End) > 0 {
+ dAtA[i] = 0x2a
+ i++
+ i = encodeVarintMetadata(dAtA, i, uint64(len(m.End)))
+ i += copy(dAtA[i:], m.End)
+ }
+ if len(m.Address) > 0 {
+ dAtA[i] = 0x32
+ i++
+ i = encodeVarintMetadata(dAtA, i, uint64(len(m.Address)))
+ i += copy(dAtA[i:], m.Address)
+ }
+ if m.XXX_unrecognized != nil {
+ i += copy(dAtA[i:], m.XXX_unrecognized)
+ }
+ return i, nil
+}
+
+func encodeVarintMetadata(dAtA []byte, offset int, v uint64) int {
+ for v >= 1<<7 {
+ dAtA[offset] = uint8(v&0x7f | 0x80)
+ v >>= 7
+ offset++
+ }
+ dAtA[offset] = uint8(v)
+ return offset + 1
+}
+func (m *DN) Size() (n int) {
+ if m == nil {
+ return 0
+ }
+ var l int
+ _ = l
+ if m.ID != 0 {
+ n += 1 + sovMetadata(uint64(m.ID))
+ }
+ if m.ReplicaID != 0 {
+ n += 1 + sovMetadata(uint64(m.ReplicaID))
+ }
+ if m.LogShardID != 0 {
+ n += 1 + sovMetadata(uint64(m.LogShardID))
+ }
+ l = len(m.Start)
+ if l > 0 {
+ n += 1 + l + sovMetadata(uint64(l))
+ }
+ l = len(m.End)
+ if l > 0 {
+ n += 1 + l + sovMetadata(uint64(l))
+ }
+ l = len(m.Address)
+ if l > 0 {
+ n += 1 + l + sovMetadata(uint64(l))
+ }
+ if m.XXX_unrecognized != nil {
+ n += len(m.XXX_unrecognized)
+ }
+ return n
+}
+
+func sovMetadata(x uint64) (n int) {
+ for {
+ n++
+ x >>= 7
+ if x == 0 {
+ break
+ }
+ }
+ return n
+}
+func sozMetadata(x uint64) (n int) {
+ return sovMetadata(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (m *DN) 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 ErrIntOverflowMetadata
+ }
+ 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: DN: wiretype end group for non-group")
+ }
+ if fieldNum <= 0 {
+ return fmt.Errorf("proto: DN: illegal tag %d (wire type %d)", fieldNum, wire)
+ }
+ switch fieldNum {
+ case 1:
+ if wireType != 0 {
+ return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+ }
+ m.ID = 0
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return ErrIntOverflowMetadata
+ }
+ if iNdEx >= l {
+ return io.ErrUnexpectedEOF
+ }
+ b := dAtA[iNdEx]
+ iNdEx++
+ m.ID |= uint64(b&0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ case 2:
+ if wireType != 0 {
+ return fmt.Errorf("proto: wrong wireType = %d for field ReplicaID", wireType)
+ }
+ m.ReplicaID = 0
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return ErrIntOverflowMetadata
+ }
+ if iNdEx >= l {
+ return io.ErrUnexpectedEOF
+ }
+ b := dAtA[iNdEx]
+ iNdEx++
+ m.ReplicaID |= uint64(b&0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ case 3:
+ if wireType != 0 {
+ return fmt.Errorf("proto: wrong wireType = %d for field LogShardID", wireType)
+ }
+ m.LogShardID = 0
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return ErrIntOverflowMetadata
+ }
+ if iNdEx >= l {
+ return io.ErrUnexpectedEOF
+ }
+ b := dAtA[iNdEx]
+ iNdEx++
+ m.LogShardID |= uint64(b&0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ case 4:
+ if wireType != 2 {
+ return fmt.Errorf("proto: wrong wireType = %d for field Start", wireType)
+ }
+ var byteLen int
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return ErrIntOverflowMetadata
+ }
+ if iNdEx >= l {
+ return io.ErrUnexpectedEOF
+ }
+ b := dAtA[iNdEx]
+ iNdEx++
+ byteLen |= int(b&0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ if byteLen < 0 {
+ return ErrInvalidLengthMetadata
+ }
+ postIndex := iNdEx + byteLen
+ if postIndex < 0 {
+ return ErrInvalidLengthMetadata
+ }
+ if postIndex > l {
+ return io.ErrUnexpectedEOF
+ }
+ m.Start = append(m.Start[:0], dAtA[iNdEx:postIndex]...)
+ if m.Start == nil {
+ m.Start = []byte{}
+ }
+ iNdEx = postIndex
+ case 5:
+ if wireType != 2 {
+ return fmt.Errorf("proto: wrong wireType = %d for field End", wireType)
+ }
+ var byteLen int
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return ErrIntOverflowMetadata
+ }
+ if iNdEx >= l {
+ return io.ErrUnexpectedEOF
+ }
+ b := dAtA[iNdEx]
+ iNdEx++
+ byteLen |= int(b&0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ if byteLen < 0 {
+ return ErrInvalidLengthMetadata
+ }
+ postIndex := iNdEx + byteLen
+ if postIndex < 0 {
+ return ErrInvalidLengthMetadata
+ }
+ if postIndex > l {
+ return io.ErrUnexpectedEOF
+ }
+ m.End = append(m.End[:0], dAtA[iNdEx:postIndex]...)
+ if m.End == nil {
+ m.End = []byte{}
+ }
+ iNdEx = postIndex
+ case 6:
+ if wireType != 2 {
+ return fmt.Errorf("proto: wrong wireType = %d for field Address", wireType)
+ }
+ var stringLen uint64
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return ErrIntOverflowMetadata
+ }
+ if iNdEx >= l {
+ return io.ErrUnexpectedEOF
+ }
+ b := dAtA[iNdEx]
+ iNdEx++
+ stringLen |= uint64(b&0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ intStringLen := int(stringLen)
+ if intStringLen < 0 {
+ return ErrInvalidLengthMetadata
+ }
+ postIndex := iNdEx + intStringLen
+ if postIndex < 0 {
+ return ErrInvalidLengthMetadata
+ }
+ if postIndex > l {
+ return io.ErrUnexpectedEOF
+ }
+ m.Address = string(dAtA[iNdEx:postIndex])
+ iNdEx = postIndex
+ default:
+ iNdEx = preIndex
+ skippy, err := skipMetadata(dAtA[iNdEx:])
+ if err != nil {
+ return err
+ }
+ if skippy < 0 {
+ return ErrInvalidLengthMetadata
+ }
+ if (iNdEx + skippy) < 0 {
+ return ErrInvalidLengthMetadata
+ }
+ 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 skipMetadata(dAtA []byte) (n int, err error) {
+ l := len(dAtA)
+ iNdEx := 0
+ for iNdEx < l {
+ var wire uint64
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return 0, ErrIntOverflowMetadata
+ }
+ if iNdEx >= l {
+ return 0, io.ErrUnexpectedEOF
+ }
+ b := dAtA[iNdEx]
+ iNdEx++
+ wire |= (uint64(b) & 0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ wireType := int(wire & 0x7)
+ switch wireType {
+ case 0:
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return 0, ErrIntOverflowMetadata
+ }
+ if iNdEx >= l {
+ return 0, io.ErrUnexpectedEOF
+ }
+ iNdEx++
+ if dAtA[iNdEx-1] < 0x80 {
+ break
+ }
+ }
+ return iNdEx, nil
+ case 1:
+ iNdEx += 8
+ return iNdEx, nil
+ case 2:
+ var length int
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return 0, ErrIntOverflowMetadata
+ }
+ if iNdEx >= l {
+ return 0, io.ErrUnexpectedEOF
+ }
+ b := dAtA[iNdEx]
+ iNdEx++
+ length |= (int(b) & 0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ if length < 0 {
+ return 0, ErrInvalidLengthMetadata
+ }
+ iNdEx += length
+ if iNdEx < 0 {
+ return 0, ErrInvalidLengthMetadata
+ }
+ return iNdEx, nil
+ case 3:
+ for {
+ var innerWire uint64
+ var start int = iNdEx
+ for shift := uint(0); ; shift += 7 {
+ if shift >= 64 {
+ return 0, ErrIntOverflowMetadata
+ }
+ if iNdEx >= l {
+ return 0, io.ErrUnexpectedEOF
+ }
+ b := dAtA[iNdEx]
+ iNdEx++
+ innerWire |= (uint64(b) & 0x7F) << shift
+ if b < 0x80 {
+ break
+ }
+ }
+ innerWireType := int(innerWire & 0x7)
+ if innerWireType == 4 {
+ break
+ }
+ next, err := skipMetadata(dAtA[start:])
+ if err != nil {
+ return 0, err
+ }
+ iNdEx = start + next
+ if iNdEx < 0 {
+ return 0, ErrInvalidLengthMetadata
+ }
+ }
+ return iNdEx, nil
+ case 4:
+ return iNdEx, nil
+ case 5:
+ iNdEx += 4
+ return iNdEx, nil
+ default:
+ return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+ }
+ }
+ panic("unreachable")
+}
+
+var (
+ ErrInvalidLengthMetadata = fmt.Errorf("proto: negative length found during unmarshaling")
+ ErrIntOverflowMetadata = fmt.Errorf("proto: integer overflow")
+)
diff --git a/proto/metadata.proto b/proto/metadata.proto
new file mode 100644
index 0000000000000000000000000000000000000000..ae6a01b149d7451f1b021e1c168039fb2203cd0b
--- /dev/null
+++ b/proto/metadata.proto
@@ -0,0 +1,36 @@
+// Copyright 2022 MatrixOrigin.
+//
+// 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,
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+package metadata;
+option go_package = "github.com/matrixorigin/matrixone/pkg/pb/metadata";
+
+import "github.com/gogo/protobuf/gogoproto/gogo.proto";
+
+// DN dn shard metadata
+message DN {
+ // ID the id of the DN. The ID is not modified after the DN is created.
+ uint64 id = 1 [(gogoproto.customname) = "ID"];
+ // ReplicaID only one replica for one DN. The ReplicaID is specified at
+ // the time the DN is created. DN restart ReplicaID will not change, when
+ // a DN is migrated to another node, the ReplicaID will be reset.
+ uint64 replicaID = 2;
+ // LogShardID a DN corresponds to a unique Shard of LogService.
+ uint64 logShardID = 3;
+ // Start A DN manages data within a range [Start, end)
+ bytes start = 4;
+ // End A DN manages data within a range [Start, end)
+ bytes end = 5;
+ // Address DN external service address.
+ string address = 6;
+}