diff --git a/Cargo.toml b/Cargo.toml
index a47b5fb..f193ae4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "dragonfly-api"
-version = "2.0.46"
+version = "2.0.48"
 authors = ["Gaius <gaius.qi@gmail.com>"]
 edition = "2021"
 license = "Apache-2.0"
diff --git a/pkg/apis/scheduler/v2/scheduler.pb.go b/pkg/apis/scheduler/v2/scheduler.pb.go
index 9e86733..b530254 100644
--- a/pkg/apis/scheduler/v2/scheduler.pb.go
+++ b/pkg/apis/scheduler/v2/scheduler.pb.go
@@ -593,10 +593,12 @@ type DownloadPieceFailedRequest struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	// Piece info.
-	Piece *v2.Piece `protobuf:"bytes,1,opt,name=piece,proto3" json:"piece,omitempty"`
+	// Piece number.
+	PieceNumber int32 `protobuf:"varint,1,opt,name=piece_number,json=pieceNumber,proto3" json:"piece_number,omitempty"`
+	// Parent id.
+	ParentId string `protobuf:"bytes,2,opt,name=parent_id,json=parentId,proto3" json:"parent_id,omitempty"`
 	// Temporary indicates whether the error is temporary.
-	Temporary bool `protobuf:"varint,2,opt,name=temporary,proto3" json:"temporary,omitempty"`
+	Temporary bool `protobuf:"varint,3,opt,name=temporary,proto3" json:"temporary,omitempty"`
 }
 
 func (x *DownloadPieceFailedRequest) Reset() {
@@ -631,11 +633,18 @@ func (*DownloadPieceFailedRequest) Descriptor() ([]byte, []int) {
 	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{11}
 }
 
-func (x *DownloadPieceFailedRequest) GetPiece() *v2.Piece {
+func (x *DownloadPieceFailedRequest) GetPieceNumber() int32 {
 	if x != nil {
-		return x.Piece
+		return x.PieceNumber
 	}
-	return nil
+	return 0
+}
+
+func (x *DownloadPieceFailedRequest) GetParentId() string {
+	if x != nil {
+		return x.ParentId
+	}
+	return ""
 }
 
 func (x *DownloadPieceFailedRequest) GetTemporary() bool {
@@ -712,144 +721,24 @@ func (x *HTTPResponse) GetStatus() string {
 	return ""
 }
 
-// HDFSResponse represents hdfs protocol response of DownloadPieceBackToSourceFailedRequest.
-type HDFSResponse struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-}
-
-func (x *HDFSResponse) Reset() {
-	*x = HDFSResponse{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[13]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *HDFSResponse) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*HDFSResponse) ProtoMessage() {}
-
-func (x *HDFSResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[13]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use HDFSResponse.ProtoReflect.Descriptor instead.
-func (*HDFSResponse) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{13}
-}
-
-// S3Response represents s3 protocol response of DownloadPieceBackToSourceFailedRequest.
-type S3Response struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-}
-
-func (x *S3Response) Reset() {
-	*x = S3Response{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[14]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *S3Response) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*S3Response) ProtoMessage() {}
-
-func (x *S3Response) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[14]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use S3Response.ProtoReflect.Descriptor instead.
-func (*S3Response) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{14}
-}
-
-// OSSResponse represents oss protocol response of DownloadPieceBackToSourceFailedRequest.
-type OSSResponse struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-}
-
-func (x *OSSResponse) Reset() {
-	*x = OSSResponse{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[15]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *OSSResponse) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*OSSResponse) ProtoMessage() {}
-
-func (x *OSSResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[15]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use OSSResponse.ProtoReflect.Descriptor instead.
-func (*OSSResponse) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{15}
-}
-
 // DownloadPieceBackToSourceFailedRequest downloads piece back-to-source failed request of AnnouncePeerRequest.
 type DownloadPieceBackToSourceFailedRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	// Piece info.
-	Piece *v2.Piece `protobuf:"bytes,1,opt,name=piece,proto3" json:"piece,omitempty"`
+	// Piece number.
+	PieceNumber int32 `protobuf:"varint,1,opt,name=piece_number,json=pieceNumber,proto3" json:"piece_number,omitempty"`
 	// Types that are assignable to Response:
 	//
 	//	*DownloadPieceBackToSourceFailedRequest_HttpResponse
-	//	*DownloadPieceBackToSourceFailedRequest_HdfsResponse
-	//	*DownloadPieceBackToSourceFailedRequest_S3Response
-	//	*DownloadPieceBackToSourceFailedRequest_OssResponse
 	Response isDownloadPieceBackToSourceFailedRequest_Response `protobuf_oneof:"response"`
 }
 
 func (x *DownloadPieceBackToSourceFailedRequest) Reset() {
 	*x = DownloadPieceBackToSourceFailedRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[16]
+		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[13]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -862,7 +751,7 @@ func (x *DownloadPieceBackToSourceFailedRequest) String() string {
 func (*DownloadPieceBackToSourceFailedRequest) ProtoMessage() {}
 
 func (x *DownloadPieceBackToSourceFailedRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[16]
+	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[13]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -875,14 +764,14 @@ func (x *DownloadPieceBackToSourceFailedRequest) ProtoReflect() protoreflect.Mes
 
 // Deprecated: Use DownloadPieceBackToSourceFailedRequest.ProtoReflect.Descriptor instead.
 func (*DownloadPieceBackToSourceFailedRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{16}
+	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{13}
 }
 
-func (x *DownloadPieceBackToSourceFailedRequest) GetPiece() *v2.Piece {
+func (x *DownloadPieceBackToSourceFailedRequest) GetPieceNumber() int32 {
 	if x != nil {
-		return x.Piece
+		return x.PieceNumber
 	}
-	return nil
+	return 0
 }
 
 func (m *DownloadPieceBackToSourceFailedRequest) GetResponse() isDownloadPieceBackToSourceFailedRequest_Response {
@@ -899,27 +788,6 @@ func (x *DownloadPieceBackToSourceFailedRequest) GetHttpResponse() *HTTPResponse
 	return nil
 }
 
-func (x *DownloadPieceBackToSourceFailedRequest) GetHdfsResponse() *HDFSResponse {
-	if x, ok := x.GetResponse().(*DownloadPieceBackToSourceFailedRequest_HdfsResponse); ok {
-		return x.HdfsResponse
-	}
-	return nil
-}
-
-func (x *DownloadPieceBackToSourceFailedRequest) GetS3Response() *S3Response {
-	if x, ok := x.GetResponse().(*DownloadPieceBackToSourceFailedRequest_S3Response); ok {
-		return x.S3Response
-	}
-	return nil
-}
-
-func (x *DownloadPieceBackToSourceFailedRequest) GetOssResponse() *OSSResponse {
-	if x, ok := x.GetResponse().(*DownloadPieceBackToSourceFailedRequest_OssResponse); ok {
-		return x.OssResponse
-	}
-	return nil
-}
-
 type isDownloadPieceBackToSourceFailedRequest_Response interface {
 	isDownloadPieceBackToSourceFailedRequest_Response()
 }
@@ -928,30 +796,9 @@ type DownloadPieceBackToSourceFailedRequest_HttpResponse struct {
 	HttpResponse *HTTPResponse `protobuf:"bytes,2,opt,name=http_response,json=httpResponse,proto3,oneof"`
 }
 
-type DownloadPieceBackToSourceFailedRequest_HdfsResponse struct {
-	HdfsResponse *HDFSResponse `protobuf:"bytes,3,opt,name=hdfs_response,json=hdfsResponse,proto3,oneof"`
-}
-
-type DownloadPieceBackToSourceFailedRequest_S3Response struct {
-	S3Response *S3Response `protobuf:"bytes,4,opt,name=s3_response,json=s3Response,proto3,oneof"`
-}
-
-type DownloadPieceBackToSourceFailedRequest_OssResponse struct {
-	OssResponse *OSSResponse `protobuf:"bytes,5,opt,name=oss_response,json=ossResponse,proto3,oneof"`
-}
-
 func (*DownloadPieceBackToSourceFailedRequest_HttpResponse) isDownloadPieceBackToSourceFailedRequest_Response() {
 }
 
-func (*DownloadPieceBackToSourceFailedRequest_HdfsResponse) isDownloadPieceBackToSourceFailedRequest_Response() {
-}
-
-func (*DownloadPieceBackToSourceFailedRequest_S3Response) isDownloadPieceBackToSourceFailedRequest_Response() {
-}
-
-func (*DownloadPieceBackToSourceFailedRequest_OssResponse) isDownloadPieceBackToSourceFailedRequest_Response() {
-}
-
 // SyncPiecesFailedRequest syncs pieces failed request of AnnouncePeerRequest.
 type SyncPiecesFailedRequest struct {
 	state         protoimpl.MessageState
@@ -967,7 +814,7 @@ type SyncPiecesFailedRequest struct {
 func (x *SyncPiecesFailedRequest) Reset() {
 	*x = SyncPiecesFailedRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[17]
+		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[14]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -980,7 +827,7 @@ func (x *SyncPiecesFailedRequest) String() string {
 func (*SyncPiecesFailedRequest) ProtoMessage() {}
 
 func (x *SyncPiecesFailedRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[17]
+	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[14]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -993,7 +840,7 @@ func (x *SyncPiecesFailedRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SyncPiecesFailedRequest.ProtoReflect.Descriptor instead.
 func (*SyncPiecesFailedRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{17}
+	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{14}
 }
 
 func (x *SyncPiecesFailedRequest) GetParentId() string {
@@ -1044,7 +891,7 @@ type AnnouncePeerRequest struct {
 func (x *AnnouncePeerRequest) Reset() {
 	*x = AnnouncePeerRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[18]
+		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[15]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1057,7 +904,7 @@ func (x *AnnouncePeerRequest) String() string {
 func (*AnnouncePeerRequest) ProtoMessage() {}
 
 func (x *AnnouncePeerRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[18]
+	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[15]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1070,7 +917,7 @@ func (x *AnnouncePeerRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AnnouncePeerRequest.ProtoReflect.Descriptor instead.
 func (*AnnouncePeerRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{18}
+	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{15}
 }
 
 func (x *AnnouncePeerRequest) GetHostId() string {
@@ -1298,7 +1145,7 @@ type EmptyTaskResponse struct {
 func (x *EmptyTaskResponse) Reset() {
 	*x = EmptyTaskResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[19]
+		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[16]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1311,7 +1158,7 @@ func (x *EmptyTaskResponse) String() string {
 func (*EmptyTaskResponse) ProtoMessage() {}
 
 func (x *EmptyTaskResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[19]
+	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[16]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1324,7 +1171,7 @@ func (x *EmptyTaskResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use EmptyTaskResponse.ProtoReflect.Descriptor instead.
 func (*EmptyTaskResponse) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{19}
+	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{16}
 }
 
 // NormalTaskResponse represents normal task response of AnnouncePeerResponse.
@@ -1342,7 +1189,7 @@ type NormalTaskResponse struct {
 func (x *NormalTaskResponse) Reset() {
 	*x = NormalTaskResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[20]
+		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[17]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1355,7 +1202,7 @@ func (x *NormalTaskResponse) String() string {
 func (*NormalTaskResponse) ProtoMessage() {}
 
 func (x *NormalTaskResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[20]
+	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[17]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1368,7 +1215,7 @@ func (x *NormalTaskResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use NormalTaskResponse.ProtoReflect.Descriptor instead.
 func (*NormalTaskResponse) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{20}
+	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{17}
 }
 
 func (x *NormalTaskResponse) GetCandidateParents() []*v2.Peer {
@@ -1398,7 +1245,7 @@ type NeedBackToSourceResponse struct {
 func (x *NeedBackToSourceResponse) Reset() {
 	*x = NeedBackToSourceResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[21]
+		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[18]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1411,7 +1258,7 @@ func (x *NeedBackToSourceResponse) String() string {
 func (*NeedBackToSourceResponse) ProtoMessage() {}
 
 func (x *NeedBackToSourceResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[21]
+	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[18]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1424,7 +1271,7 @@ func (x *NeedBackToSourceResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use NeedBackToSourceResponse.ProtoReflect.Descriptor instead.
 func (*NeedBackToSourceResponse) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{21}
+	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{18}
 }
 
 func (x *NeedBackToSourceResponse) GetDescription() string {
@@ -1451,7 +1298,7 @@ type AnnouncePeerResponse struct {
 func (x *AnnouncePeerResponse) Reset() {
 	*x = AnnouncePeerResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[22]
+		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[19]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1464,7 +1311,7 @@ func (x *AnnouncePeerResponse) String() string {
 func (*AnnouncePeerResponse) ProtoMessage() {}
 
 func (x *AnnouncePeerResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[22]
+	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[19]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1477,7 +1324,7 @@ func (x *AnnouncePeerResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AnnouncePeerResponse.ProtoReflect.Descriptor instead.
 func (*AnnouncePeerResponse) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{22}
+	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{19}
 }
 
 func (m *AnnouncePeerResponse) GetResponse() isAnnouncePeerResponse_Response {
@@ -1547,7 +1394,7 @@ type StatPeerRequest struct {
 func (x *StatPeerRequest) Reset() {
 	*x = StatPeerRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[23]
+		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[20]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1560,7 +1407,7 @@ func (x *StatPeerRequest) String() string {
 func (*StatPeerRequest) ProtoMessage() {}
 
 func (x *StatPeerRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[23]
+	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[20]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1573,7 +1420,7 @@ func (x *StatPeerRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use StatPeerRequest.ProtoReflect.Descriptor instead.
 func (*StatPeerRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{23}
+	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{20}
 }
 
 func (x *StatPeerRequest) GetHostId() string {
@@ -1615,7 +1462,7 @@ type ExchangePeerRequest struct {
 func (x *ExchangePeerRequest) Reset() {
 	*x = ExchangePeerRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[24]
+		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[21]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1628,7 +1475,7 @@ func (x *ExchangePeerRequest) String() string {
 func (*ExchangePeerRequest) ProtoMessage() {}
 
 func (x *ExchangePeerRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[24]
+	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[21]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1641,7 +1488,7 @@ func (x *ExchangePeerRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ExchangePeerRequest.ProtoReflect.Descriptor instead.
 func (*ExchangePeerRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{24}
+	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{21}
 }
 
 func (x *ExchangePeerRequest) GetHostId() string {
@@ -1676,7 +1523,7 @@ type ExchangePeerResponse struct {
 func (x *ExchangePeerResponse) Reset() {
 	*x = ExchangePeerResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[25]
+		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[22]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1689,7 +1536,7 @@ func (x *ExchangePeerResponse) String() string {
 func (*ExchangePeerResponse) ProtoMessage() {}
 
 func (x *ExchangePeerResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[25]
+	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[22]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1702,7 +1549,7 @@ func (x *ExchangePeerResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ExchangePeerResponse.ProtoReflect.Descriptor instead.
 func (*ExchangePeerResponse) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{25}
+	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{22}
 }
 
 // LeavePeerRequest represents request of LeavePeer.
@@ -1722,7 +1569,7 @@ type LeavePeerRequest struct {
 func (x *LeavePeerRequest) Reset() {
 	*x = LeavePeerRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[26]
+		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[23]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1735,7 +1582,7 @@ func (x *LeavePeerRequest) String() string {
 func (*LeavePeerRequest) ProtoMessage() {}
 
 func (x *LeavePeerRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[26]
+	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[23]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1748,7 +1595,7 @@ func (x *LeavePeerRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LeavePeerRequest.ProtoReflect.Descriptor instead.
 func (*LeavePeerRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{26}
+	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{23}
 }
 
 func (x *LeavePeerRequest) GetHostId() string {
@@ -1785,7 +1632,7 @@ type StatTaskRequest struct {
 func (x *StatTaskRequest) Reset() {
 	*x = StatTaskRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[27]
+		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[24]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1798,7 +1645,7 @@ func (x *StatTaskRequest) String() string {
 func (*StatTaskRequest) ProtoMessage() {}
 
 func (x *StatTaskRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[27]
+	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[24]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1811,7 +1658,7 @@ func (x *StatTaskRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use StatTaskRequest.ProtoReflect.Descriptor instead.
 func (*StatTaskRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{27}
+	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{24}
 }
 
 func (x *StatTaskRequest) GetId() string {
@@ -1834,7 +1681,7 @@ type AnnounceHostRequest struct {
 func (x *AnnounceHostRequest) Reset() {
 	*x = AnnounceHostRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[28]
+		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[25]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1847,7 +1694,7 @@ func (x *AnnounceHostRequest) String() string {
 func (*AnnounceHostRequest) ProtoMessage() {}
 
 func (x *AnnounceHostRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[28]
+	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[25]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1860,7 +1707,7 @@ func (x *AnnounceHostRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AnnounceHostRequest.ProtoReflect.Descriptor instead.
 func (*AnnounceHostRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{28}
+	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{25}
 }
 
 func (x *AnnounceHostRequest) GetHost() *v2.Host {
@@ -1883,7 +1730,7 @@ type LeaveHostRequest struct {
 func (x *LeaveHostRequest) Reset() {
 	*x = LeaveHostRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[29]
+		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[26]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1896,7 +1743,7 @@ func (x *LeaveHostRequest) String() string {
 func (*LeaveHostRequest) ProtoMessage() {}
 
 func (x *LeaveHostRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[29]
+	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[26]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1909,7 +1756,7 @@ func (x *LeaveHostRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LeaveHostRequest.ProtoReflect.Descriptor instead.
 func (*LeaveHostRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{29}
+	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{26}
 }
 
 func (x *LeaveHostRequest) GetId() string {
@@ -1929,7 +1776,7 @@ type ProbeStartedRequest struct {
 func (x *ProbeStartedRequest) Reset() {
 	*x = ProbeStartedRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[30]
+		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[27]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1942,7 +1789,7 @@ func (x *ProbeStartedRequest) String() string {
 func (*ProbeStartedRequest) ProtoMessage() {}
 
 func (x *ProbeStartedRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[30]
+	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[27]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1955,7 +1802,7 @@ func (x *ProbeStartedRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ProbeStartedRequest.ProtoReflect.Descriptor instead.
 func (*ProbeStartedRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{30}
+	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{27}
 }
 
 // Probe information.
@@ -1975,7 +1822,7 @@ type Probe struct {
 func (x *Probe) Reset() {
 	*x = Probe{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[31]
+		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[28]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1988,7 +1835,7 @@ func (x *Probe) String() string {
 func (*Probe) ProtoMessage() {}
 
 func (x *Probe) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[31]
+	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[28]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2001,7 +1848,7 @@ func (x *Probe) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Probe.ProtoReflect.Descriptor instead.
 func (*Probe) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{31}
+	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{28}
 }
 
 func (x *Probe) GetHost() *v2.Host {
@@ -2038,7 +1885,7 @@ type ProbeFinishedRequest struct {
 func (x *ProbeFinishedRequest) Reset() {
 	*x = ProbeFinishedRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[32]
+		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[29]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2051,7 +1898,7 @@ func (x *ProbeFinishedRequest) String() string {
 func (*ProbeFinishedRequest) ProtoMessage() {}
 
 func (x *ProbeFinishedRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[32]
+	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[29]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2064,7 +1911,7 @@ func (x *ProbeFinishedRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ProbeFinishedRequest.ProtoReflect.Descriptor instead.
 func (*ProbeFinishedRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{32}
+	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{29}
 }
 
 func (x *ProbeFinishedRequest) GetProbes() []*Probe {
@@ -2089,7 +1936,7 @@ type FailedProbe struct {
 func (x *FailedProbe) Reset() {
 	*x = FailedProbe{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[33]
+		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[30]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2102,7 +1949,7 @@ func (x *FailedProbe) String() string {
 func (*FailedProbe) ProtoMessage() {}
 
 func (x *FailedProbe) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[33]
+	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[30]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2115,7 +1962,7 @@ func (x *FailedProbe) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use FailedProbe.ProtoReflect.Descriptor instead.
 func (*FailedProbe) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{33}
+	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{30}
 }
 
 func (x *FailedProbe) GetHost() *v2.Host {
@@ -2145,7 +1992,7 @@ type ProbeFailedRequest struct {
 func (x *ProbeFailedRequest) Reset() {
 	*x = ProbeFailedRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[34]
+		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[31]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2158,7 +2005,7 @@ func (x *ProbeFailedRequest) String() string {
 func (*ProbeFailedRequest) ProtoMessage() {}
 
 func (x *ProbeFailedRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[34]
+	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[31]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2171,7 +2018,7 @@ func (x *ProbeFailedRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ProbeFailedRequest.ProtoReflect.Descriptor instead.
 func (*ProbeFailedRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{34}
+	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{31}
 }
 
 func (x *ProbeFailedRequest) GetProbes() []*FailedProbe {
@@ -2200,7 +2047,7 @@ type SyncProbesRequest struct {
 func (x *SyncProbesRequest) Reset() {
 	*x = SyncProbesRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[35]
+		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[32]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2213,7 +2060,7 @@ func (x *SyncProbesRequest) String() string {
 func (*SyncProbesRequest) ProtoMessage() {}
 
 func (x *SyncProbesRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[35]
+	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[32]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2226,7 +2073,7 @@ func (x *SyncProbesRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SyncProbesRequest.ProtoReflect.Descriptor instead.
 func (*SyncProbesRequest) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{35}
+	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{32}
 }
 
 func (x *SyncProbesRequest) GetHost() *v2.Host {
@@ -2299,7 +2146,7 @@ type SyncProbesResponse struct {
 func (x *SyncProbesResponse) Reset() {
 	*x = SyncProbesResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[36]
+		mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[33]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2312,7 +2159,7 @@ func (x *SyncProbesResponse) String() string {
 func (*SyncProbesResponse) ProtoMessage() {}
 
 func (x *SyncProbesResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[36]
+	mi := &file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[33]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2325,7 +2172,7 @@ func (x *SyncProbesResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SyncProbesResponse.ProtoReflect.Descriptor instead.
 func (*SyncProbesResponse) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{36}
+	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP(), []int{33}
 }
 
 func (x *SyncProbesResponse) GetHosts() []*v2.Host {
@@ -2414,221 +2261,217 @@ var file_pkg_apis_scheduler_v2_scheduler_proto_rawDesc = []byte{
 	0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x30, 0x0a, 0x05, 0x70, 0x69, 0x65, 0x63, 0x65, 0x18, 0x01,
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 }
 
 var (
@@ -2768,7 +2602,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_rawDescGZIP() []byte {
 	return file_pkg_apis_scheduler_v2_scheduler_proto_rawDescData
 }
 
-var file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes = make([]protoimpl.MessageInfo, 38)
+var file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes = make([]protoimpl.MessageInfo, 35)
 var file_pkg_apis_scheduler_v2_scheduler_proto_goTypes = []interface{}{
 	(*RegisterPeerRequest)(nil),                      // 0: scheduler.v2.RegisterPeerRequest
 	(*RegisterSeedPeerRequest)(nil),                  // 1: scheduler.v2.RegisterSeedPeerRequest
@@ -2783,103 +2617,95 @@ var file_pkg_apis_scheduler_v2_scheduler_proto_goTypes = []interface{}{
 	(*DownloadPieceBackToSourceFinishedRequest)(nil), // 10: scheduler.v2.DownloadPieceBackToSourceFinishedRequest
 	(*DownloadPieceFailedRequest)(nil),               // 11: scheduler.v2.DownloadPieceFailedRequest
 	(*HTTPResponse)(nil),                             // 12: scheduler.v2.HTTPResponse
-	(*HDFSResponse)(nil),                             // 13: scheduler.v2.HDFSResponse
-	(*S3Response)(nil),                               // 14: scheduler.v2.S3Response
-	(*OSSResponse)(nil),                              // 15: scheduler.v2.OSSResponse
-	(*DownloadPieceBackToSourceFailedRequest)(nil),   // 16: scheduler.v2.DownloadPieceBackToSourceFailedRequest
-	(*SyncPiecesFailedRequest)(nil),                  // 17: scheduler.v2.SyncPiecesFailedRequest
-	(*AnnouncePeerRequest)(nil),                      // 18: scheduler.v2.AnnouncePeerRequest
-	(*EmptyTaskResponse)(nil),                        // 19: scheduler.v2.EmptyTaskResponse
-	(*NormalTaskResponse)(nil),                       // 20: scheduler.v2.NormalTaskResponse
-	(*NeedBackToSourceResponse)(nil),                 // 21: scheduler.v2.NeedBackToSourceResponse
-	(*AnnouncePeerResponse)(nil),                     // 22: scheduler.v2.AnnouncePeerResponse
-	(*StatPeerRequest)(nil),                          // 23: scheduler.v2.StatPeerRequest
-	(*ExchangePeerRequest)(nil),                      // 24: scheduler.v2.ExchangePeerRequest
-	(*ExchangePeerResponse)(nil),                     // 25: scheduler.v2.ExchangePeerResponse
-	(*LeavePeerRequest)(nil),                         // 26: scheduler.v2.LeavePeerRequest
-	(*StatTaskRequest)(nil),                          // 27: scheduler.v2.StatTaskRequest
-	(*AnnounceHostRequest)(nil),                      // 28: scheduler.v2.AnnounceHostRequest
-	(*LeaveHostRequest)(nil),                         // 29: scheduler.v2.LeaveHostRequest
-	(*ProbeStartedRequest)(nil),                      // 30: scheduler.v2.ProbeStartedRequest
-	(*Probe)(nil),                                    // 31: scheduler.v2.Probe
-	(*ProbeFinishedRequest)(nil),                     // 32: scheduler.v2.ProbeFinishedRequest
-	(*FailedProbe)(nil),                              // 33: scheduler.v2.FailedProbe
-	(*ProbeFailedRequest)(nil),                       // 34: scheduler.v2.ProbeFailedRequest
-	(*SyncProbesRequest)(nil),                        // 35: scheduler.v2.SyncProbesRequest
-	(*SyncProbesResponse)(nil),                       // 36: scheduler.v2.SyncProbesResponse
-	nil,                                              // 37: scheduler.v2.HTTPResponse.HeaderEntry
-	(*v2.Download)(nil),                              // 38: common.v2.Download
-	(*v2.Piece)(nil),                                 // 39: common.v2.Piece
-	(*v2.Peer)(nil),                                  // 40: common.v2.Peer
-	(*v2.Host)(nil),                                  // 41: common.v2.Host
-	(*durationpb.Duration)(nil),                      // 42: google.protobuf.Duration
-	(*timestamppb.Timestamp)(nil),                    // 43: google.protobuf.Timestamp
-	(*emptypb.Empty)(nil),                            // 44: google.protobuf.Empty
-	(*v2.Task)(nil),                                  // 45: common.v2.Task
+	(*DownloadPieceBackToSourceFailedRequest)(nil),   // 13: scheduler.v2.DownloadPieceBackToSourceFailedRequest
+	(*SyncPiecesFailedRequest)(nil),                  // 14: scheduler.v2.SyncPiecesFailedRequest
+	(*AnnouncePeerRequest)(nil),                      // 15: scheduler.v2.AnnouncePeerRequest
+	(*EmptyTaskResponse)(nil),                        // 16: scheduler.v2.EmptyTaskResponse
+	(*NormalTaskResponse)(nil),                       // 17: scheduler.v2.NormalTaskResponse
+	(*NeedBackToSourceResponse)(nil),                 // 18: scheduler.v2.NeedBackToSourceResponse
+	(*AnnouncePeerResponse)(nil),                     // 19: scheduler.v2.AnnouncePeerResponse
+	(*StatPeerRequest)(nil),                          // 20: scheduler.v2.StatPeerRequest
+	(*ExchangePeerRequest)(nil),                      // 21: scheduler.v2.ExchangePeerRequest
+	(*ExchangePeerResponse)(nil),                     // 22: scheduler.v2.ExchangePeerResponse
+	(*LeavePeerRequest)(nil),                         // 23: scheduler.v2.LeavePeerRequest
+	(*StatTaskRequest)(nil),                          // 24: scheduler.v2.StatTaskRequest
+	(*AnnounceHostRequest)(nil),                      // 25: scheduler.v2.AnnounceHostRequest
+	(*LeaveHostRequest)(nil),                         // 26: scheduler.v2.LeaveHostRequest
+	(*ProbeStartedRequest)(nil),                      // 27: scheduler.v2.ProbeStartedRequest
+	(*Probe)(nil),                                    // 28: scheduler.v2.Probe
+	(*ProbeFinishedRequest)(nil),                     // 29: scheduler.v2.ProbeFinishedRequest
+	(*FailedProbe)(nil),                              // 30: scheduler.v2.FailedProbe
+	(*ProbeFailedRequest)(nil),                       // 31: scheduler.v2.ProbeFailedRequest
+	(*SyncProbesRequest)(nil),                        // 32: scheduler.v2.SyncProbesRequest
+	(*SyncProbesResponse)(nil),                       // 33: scheduler.v2.SyncProbesResponse
+	nil,                                              // 34: scheduler.v2.HTTPResponse.HeaderEntry
+	(*v2.Download)(nil),                              // 35: common.v2.Download
+	(*v2.Piece)(nil),                                 // 36: common.v2.Piece
+	(*v2.Peer)(nil),                                  // 37: common.v2.Peer
+	(*v2.Host)(nil),                                  // 38: common.v2.Host
+	(*durationpb.Duration)(nil),                      // 39: google.protobuf.Duration
+	(*timestamppb.Timestamp)(nil),                    // 40: google.protobuf.Timestamp
+	(*emptypb.Empty)(nil),                            // 41: google.protobuf.Empty
+	(*v2.Task)(nil),                                  // 42: common.v2.Task
 }
 var file_pkg_apis_scheduler_v2_scheduler_proto_depIdxs = []int32{
-	38, // 0: scheduler.v2.RegisterPeerRequest.download:type_name -> common.v2.Download
-	38, // 1: scheduler.v2.RegisterSeedPeerRequest.download:type_name -> common.v2.Download
-	39, // 2: scheduler.v2.DownloadPieceFinishedRequest.piece:type_name -> common.v2.Piece
-	39, // 3: scheduler.v2.DownloadPieceBackToSourceFinishedRequest.piece:type_name -> common.v2.Piece
-	39, // 4: scheduler.v2.DownloadPieceFailedRequest.piece:type_name -> common.v2.Piece
-	37, // 5: scheduler.v2.HTTPResponse.header:type_name -> scheduler.v2.HTTPResponse.HeaderEntry
-	39, // 6: scheduler.v2.DownloadPieceBackToSourceFailedRequest.piece:type_name -> common.v2.Piece
-	12, // 7: scheduler.v2.DownloadPieceBackToSourceFailedRequest.http_response:type_name -> scheduler.v2.HTTPResponse
-	13, // 8: scheduler.v2.DownloadPieceBackToSourceFailedRequest.hdfs_response:type_name -> scheduler.v2.HDFSResponse
-	14, // 9: scheduler.v2.DownloadPieceBackToSourceFailedRequest.s3_response:type_name -> scheduler.v2.S3Response
-	15, // 10: scheduler.v2.DownloadPieceBackToSourceFailedRequest.oss_response:type_name -> scheduler.v2.OSSResponse
-	0,  // 11: scheduler.v2.AnnouncePeerRequest.register_peer_request:type_name -> scheduler.v2.RegisterPeerRequest
-	1,  // 12: scheduler.v2.AnnouncePeerRequest.register_seed_peer_request:type_name -> scheduler.v2.RegisterSeedPeerRequest
-	2,  // 13: scheduler.v2.AnnouncePeerRequest.download_peer_started_request:type_name -> scheduler.v2.DownloadPeerStartedRequest
-	3,  // 14: scheduler.v2.AnnouncePeerRequest.download_peer_back_to_source_started_request:type_name -> scheduler.v2.DownloadPeerBackToSourceStartedRequest
-	4,  // 15: scheduler.v2.AnnouncePeerRequest.reschedule_request:type_name -> scheduler.v2.RescheduleRequest
-	5,  // 16: scheduler.v2.AnnouncePeerRequest.download_peer_finished_request:type_name -> scheduler.v2.DownloadPeerFinishedRequest
-	6,  // 17: scheduler.v2.AnnouncePeerRequest.download_peer_back_to_source_finished_request:type_name -> scheduler.v2.DownloadPeerBackToSourceFinishedRequest
-	7,  // 18: scheduler.v2.AnnouncePeerRequest.download_peer_failed_request:type_name -> scheduler.v2.DownloadPeerFailedRequest
-	8,  // 19: scheduler.v2.AnnouncePeerRequest.download_peer_back_to_source_failed_request:type_name -> scheduler.v2.DownloadPeerBackToSourceFailedRequest
-	9,  // 20: scheduler.v2.AnnouncePeerRequest.download_piece_finished_request:type_name -> scheduler.v2.DownloadPieceFinishedRequest
-	10, // 21: scheduler.v2.AnnouncePeerRequest.download_piece_back_to_source_finished_request:type_name -> scheduler.v2.DownloadPieceBackToSourceFinishedRequest
-	11, // 22: scheduler.v2.AnnouncePeerRequest.download_piece_failed_request:type_name -> scheduler.v2.DownloadPieceFailedRequest
-	16, // 23: scheduler.v2.AnnouncePeerRequest.download_piece_back_to_source_failed_request:type_name -> scheduler.v2.DownloadPieceBackToSourceFailedRequest
-	17, // 24: scheduler.v2.AnnouncePeerRequest.sync_pieces_failed_request:type_name -> scheduler.v2.SyncPiecesFailedRequest
-	40, // 25: scheduler.v2.NormalTaskResponse.candidate_parents:type_name -> common.v2.Peer
-	19, // 26: scheduler.v2.AnnouncePeerResponse.empty_task_response:type_name -> scheduler.v2.EmptyTaskResponse
-	20, // 27: scheduler.v2.AnnouncePeerResponse.normal_task_response:type_name -> scheduler.v2.NormalTaskResponse
-	21, // 28: scheduler.v2.AnnouncePeerResponse.need_back_to_source_response:type_name -> scheduler.v2.NeedBackToSourceResponse
-	41, // 29: scheduler.v2.AnnounceHostRequest.host:type_name -> common.v2.Host
-	41, // 30: scheduler.v2.Probe.host:type_name -> common.v2.Host
-	42, // 31: scheduler.v2.Probe.rtt:type_name -> google.protobuf.Duration
-	43, // 32: scheduler.v2.Probe.created_at:type_name -> google.protobuf.Timestamp
-	31, // 33: scheduler.v2.ProbeFinishedRequest.probes:type_name -> scheduler.v2.Probe
-	41, // 34: scheduler.v2.FailedProbe.host:type_name -> common.v2.Host
-	33, // 35: scheduler.v2.ProbeFailedRequest.probes:type_name -> scheduler.v2.FailedProbe
-	41, // 36: scheduler.v2.SyncProbesRequest.host:type_name -> common.v2.Host
-	30, // 37: scheduler.v2.SyncProbesRequest.probe_started_request:type_name -> scheduler.v2.ProbeStartedRequest
-	32, // 38: scheduler.v2.SyncProbesRequest.probe_finished_request:type_name -> scheduler.v2.ProbeFinishedRequest
-	34, // 39: scheduler.v2.SyncProbesRequest.probe_failed_request:type_name -> scheduler.v2.ProbeFailedRequest
-	41, // 40: scheduler.v2.SyncProbesResponse.hosts:type_name -> common.v2.Host
-	18, // 41: scheduler.v2.Scheduler.AnnouncePeer:input_type -> scheduler.v2.AnnouncePeerRequest
-	23, // 42: scheduler.v2.Scheduler.StatPeer:input_type -> scheduler.v2.StatPeerRequest
-	26, // 43: scheduler.v2.Scheduler.LeavePeer:input_type -> scheduler.v2.LeavePeerRequest
-	24, // 44: scheduler.v2.Scheduler.ExchangePeer:input_type -> scheduler.v2.ExchangePeerRequest
-	27, // 45: scheduler.v2.Scheduler.StatTask:input_type -> scheduler.v2.StatTaskRequest
-	28, // 46: scheduler.v2.Scheduler.AnnounceHost:input_type -> scheduler.v2.AnnounceHostRequest
-	29, // 47: scheduler.v2.Scheduler.LeaveHost:input_type -> scheduler.v2.LeaveHostRequest
-	35, // 48: scheduler.v2.Scheduler.SyncProbes:input_type -> scheduler.v2.SyncProbesRequest
-	22, // 49: scheduler.v2.Scheduler.AnnouncePeer:output_type -> scheduler.v2.AnnouncePeerResponse
-	40, // 50: scheduler.v2.Scheduler.StatPeer:output_type -> common.v2.Peer
-	44, // 51: scheduler.v2.Scheduler.LeavePeer:output_type -> google.protobuf.Empty
-	25, // 52: scheduler.v2.Scheduler.ExchangePeer:output_type -> scheduler.v2.ExchangePeerResponse
-	45, // 53: scheduler.v2.Scheduler.StatTask:output_type -> common.v2.Task
-	44, // 54: scheduler.v2.Scheduler.AnnounceHost:output_type -> google.protobuf.Empty
-	44, // 55: scheduler.v2.Scheduler.LeaveHost:output_type -> google.protobuf.Empty
-	36, // 56: scheduler.v2.Scheduler.SyncProbes:output_type -> scheduler.v2.SyncProbesResponse
-	49, // [49:57] is the sub-list for method output_type
-	41, // [41:49] is the sub-list for method input_type
-	41, // [41:41] is the sub-list for extension type_name
-	41, // [41:41] is the sub-list for extension extendee
-	0,  // [0:41] is the sub-list for field type_name
+	35, // 0: scheduler.v2.RegisterPeerRequest.download:type_name -> common.v2.Download
+	35, // 1: scheduler.v2.RegisterSeedPeerRequest.download:type_name -> common.v2.Download
+	36, // 2: scheduler.v2.DownloadPieceFinishedRequest.piece:type_name -> common.v2.Piece
+	36, // 3: scheduler.v2.DownloadPieceBackToSourceFinishedRequest.piece:type_name -> common.v2.Piece
+	34, // 4: scheduler.v2.HTTPResponse.header:type_name -> scheduler.v2.HTTPResponse.HeaderEntry
+	12, // 5: scheduler.v2.DownloadPieceBackToSourceFailedRequest.http_response:type_name -> scheduler.v2.HTTPResponse
+	0,  // 6: scheduler.v2.AnnouncePeerRequest.register_peer_request:type_name -> scheduler.v2.RegisterPeerRequest
+	1,  // 7: scheduler.v2.AnnouncePeerRequest.register_seed_peer_request:type_name -> scheduler.v2.RegisterSeedPeerRequest
+	2,  // 8: scheduler.v2.AnnouncePeerRequest.download_peer_started_request:type_name -> scheduler.v2.DownloadPeerStartedRequest
+	3,  // 9: scheduler.v2.AnnouncePeerRequest.download_peer_back_to_source_started_request:type_name -> scheduler.v2.DownloadPeerBackToSourceStartedRequest
+	4,  // 10: scheduler.v2.AnnouncePeerRequest.reschedule_request:type_name -> scheduler.v2.RescheduleRequest
+	5,  // 11: scheduler.v2.AnnouncePeerRequest.download_peer_finished_request:type_name -> scheduler.v2.DownloadPeerFinishedRequest
+	6,  // 12: scheduler.v2.AnnouncePeerRequest.download_peer_back_to_source_finished_request:type_name -> scheduler.v2.DownloadPeerBackToSourceFinishedRequest
+	7,  // 13: scheduler.v2.AnnouncePeerRequest.download_peer_failed_request:type_name -> scheduler.v2.DownloadPeerFailedRequest
+	8,  // 14: scheduler.v2.AnnouncePeerRequest.download_peer_back_to_source_failed_request:type_name -> scheduler.v2.DownloadPeerBackToSourceFailedRequest
+	9,  // 15: scheduler.v2.AnnouncePeerRequest.download_piece_finished_request:type_name -> scheduler.v2.DownloadPieceFinishedRequest
+	10, // 16: scheduler.v2.AnnouncePeerRequest.download_piece_back_to_source_finished_request:type_name -> scheduler.v2.DownloadPieceBackToSourceFinishedRequest
+	11, // 17: scheduler.v2.AnnouncePeerRequest.download_piece_failed_request:type_name -> scheduler.v2.DownloadPieceFailedRequest
+	13, // 18: scheduler.v2.AnnouncePeerRequest.download_piece_back_to_source_failed_request:type_name -> scheduler.v2.DownloadPieceBackToSourceFailedRequest
+	14, // 19: scheduler.v2.AnnouncePeerRequest.sync_pieces_failed_request:type_name -> scheduler.v2.SyncPiecesFailedRequest
+	37, // 20: scheduler.v2.NormalTaskResponse.candidate_parents:type_name -> common.v2.Peer
+	16, // 21: scheduler.v2.AnnouncePeerResponse.empty_task_response:type_name -> scheduler.v2.EmptyTaskResponse
+	17, // 22: scheduler.v2.AnnouncePeerResponse.normal_task_response:type_name -> scheduler.v2.NormalTaskResponse
+	18, // 23: scheduler.v2.AnnouncePeerResponse.need_back_to_source_response:type_name -> scheduler.v2.NeedBackToSourceResponse
+	38, // 24: scheduler.v2.AnnounceHostRequest.host:type_name -> common.v2.Host
+	38, // 25: scheduler.v2.Probe.host:type_name -> common.v2.Host
+	39, // 26: scheduler.v2.Probe.rtt:type_name -> google.protobuf.Duration
+	40, // 27: scheduler.v2.Probe.created_at:type_name -> google.protobuf.Timestamp
+	28, // 28: scheduler.v2.ProbeFinishedRequest.probes:type_name -> scheduler.v2.Probe
+	38, // 29: scheduler.v2.FailedProbe.host:type_name -> common.v2.Host
+	30, // 30: scheduler.v2.ProbeFailedRequest.probes:type_name -> scheduler.v2.FailedProbe
+	38, // 31: scheduler.v2.SyncProbesRequest.host:type_name -> common.v2.Host
+	27, // 32: scheduler.v2.SyncProbesRequest.probe_started_request:type_name -> scheduler.v2.ProbeStartedRequest
+	29, // 33: scheduler.v2.SyncProbesRequest.probe_finished_request:type_name -> scheduler.v2.ProbeFinishedRequest
+	31, // 34: scheduler.v2.SyncProbesRequest.probe_failed_request:type_name -> scheduler.v2.ProbeFailedRequest
+	38, // 35: scheduler.v2.SyncProbesResponse.hosts:type_name -> common.v2.Host
+	15, // 36: scheduler.v2.Scheduler.AnnouncePeer:input_type -> scheduler.v2.AnnouncePeerRequest
+	20, // 37: scheduler.v2.Scheduler.StatPeer:input_type -> scheduler.v2.StatPeerRequest
+	23, // 38: scheduler.v2.Scheduler.LeavePeer:input_type -> scheduler.v2.LeavePeerRequest
+	21, // 39: scheduler.v2.Scheduler.ExchangePeer:input_type -> scheduler.v2.ExchangePeerRequest
+	24, // 40: scheduler.v2.Scheduler.StatTask:input_type -> scheduler.v2.StatTaskRequest
+	25, // 41: scheduler.v2.Scheduler.AnnounceHost:input_type -> scheduler.v2.AnnounceHostRequest
+	26, // 42: scheduler.v2.Scheduler.LeaveHost:input_type -> scheduler.v2.LeaveHostRequest
+	32, // 43: scheduler.v2.Scheduler.SyncProbes:input_type -> scheduler.v2.SyncProbesRequest
+	19, // 44: scheduler.v2.Scheduler.AnnouncePeer:output_type -> scheduler.v2.AnnouncePeerResponse
+	37, // 45: scheduler.v2.Scheduler.StatPeer:output_type -> common.v2.Peer
+	41, // 46: scheduler.v2.Scheduler.LeavePeer:output_type -> google.protobuf.Empty
+	22, // 47: scheduler.v2.Scheduler.ExchangePeer:output_type -> scheduler.v2.ExchangePeerResponse
+	42, // 48: scheduler.v2.Scheduler.StatTask:output_type -> common.v2.Task
+	41, // 49: scheduler.v2.Scheduler.AnnounceHost:output_type -> google.protobuf.Empty
+	41, // 50: scheduler.v2.Scheduler.LeaveHost:output_type -> google.protobuf.Empty
+	33, // 51: scheduler.v2.Scheduler.SyncProbes:output_type -> scheduler.v2.SyncProbesResponse
+	44, // [44:52] is the sub-list for method output_type
+	36, // [36:44] is the sub-list for method input_type
+	36, // [36:36] is the sub-list for extension type_name
+	36, // [36:36] is the sub-list for extension extendee
+	0,  // [0:36] is the sub-list for field type_name
 }
 
 func init() { file_pkg_apis_scheduler_v2_scheduler_proto_init() }
@@ -3045,42 +2871,6 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 			}
 		}
 		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*HDFSResponse); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*S3Response); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*OSSResponse); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DownloadPieceBackToSourceFailedRequest); i {
 			case 0:
 				return &v.state
@@ -3092,7 +2882,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[17].Exporter = func(v interface{}, i int) interface{} {
+		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SyncPiecesFailedRequest); i {
 			case 0:
 				return &v.state
@@ -3104,7 +2894,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
+		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*AnnouncePeerRequest); i {
 			case 0:
 				return &v.state
@@ -3116,7 +2906,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[19].Exporter = func(v interface{}, i int) interface{} {
+		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*EmptyTaskResponse); i {
 			case 0:
 				return &v.state
@@ -3128,7 +2918,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[20].Exporter = func(v interface{}, i int) interface{} {
+		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[17].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*NormalTaskResponse); i {
 			case 0:
 				return &v.state
@@ -3140,7 +2930,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[21].Exporter = func(v interface{}, i int) interface{} {
+		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*NeedBackToSourceResponse); i {
 			case 0:
 				return &v.state
@@ -3152,7 +2942,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[22].Exporter = func(v interface{}, i int) interface{} {
+		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[19].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*AnnouncePeerResponse); i {
 			case 0:
 				return &v.state
@@ -3164,7 +2954,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[23].Exporter = func(v interface{}, i int) interface{} {
+		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[20].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*StatPeerRequest); i {
 			case 0:
 				return &v.state
@@ -3176,7 +2966,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[24].Exporter = func(v interface{}, i int) interface{} {
+		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[21].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ExchangePeerRequest); i {
 			case 0:
 				return &v.state
@@ -3188,7 +2978,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[25].Exporter = func(v interface{}, i int) interface{} {
+		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[22].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ExchangePeerResponse); i {
 			case 0:
 				return &v.state
@@ -3200,7 +2990,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[26].Exporter = func(v interface{}, i int) interface{} {
+		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[23].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*LeavePeerRequest); i {
 			case 0:
 				return &v.state
@@ -3212,7 +3002,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[27].Exporter = func(v interface{}, i int) interface{} {
+		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[24].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*StatTaskRequest); i {
 			case 0:
 				return &v.state
@@ -3224,7 +3014,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[28].Exporter = func(v interface{}, i int) interface{} {
+		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[25].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*AnnounceHostRequest); i {
 			case 0:
 				return &v.state
@@ -3236,7 +3026,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[29].Exporter = func(v interface{}, i int) interface{} {
+		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[26].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*LeaveHostRequest); i {
 			case 0:
 				return &v.state
@@ -3248,7 +3038,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[30].Exporter = func(v interface{}, i int) interface{} {
+		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[27].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ProbeStartedRequest); i {
 			case 0:
 				return &v.state
@@ -3260,7 +3050,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[31].Exporter = func(v interface{}, i int) interface{} {
+		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[28].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Probe); i {
 			case 0:
 				return &v.state
@@ -3272,7 +3062,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[32].Exporter = func(v interface{}, i int) interface{} {
+		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[29].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ProbeFinishedRequest); i {
 			case 0:
 				return &v.state
@@ -3284,7 +3074,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[33].Exporter = func(v interface{}, i int) interface{} {
+		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[30].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*FailedProbe); i {
 			case 0:
 				return &v.state
@@ -3296,7 +3086,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[34].Exporter = func(v interface{}, i int) interface{} {
+		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[31].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ProbeFailedRequest); i {
 			case 0:
 				return &v.state
@@ -3308,7 +3098,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[35].Exporter = func(v interface{}, i int) interface{} {
+		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[32].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SyncProbesRequest); i {
 			case 0:
 				return &v.state
@@ -3320,7 +3110,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[36].Exporter = func(v interface{}, i int) interface{} {
+		file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[33].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SyncProbesResponse); i {
 			case 0:
 				return &v.state
@@ -3337,14 +3127,11 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 	file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[4].OneofWrappers = []interface{}{}
 	file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[7].OneofWrappers = []interface{}{}
 	file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[8].OneofWrappers = []interface{}{}
-	file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[16].OneofWrappers = []interface{}{
+	file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[13].OneofWrappers = []interface{}{
 		(*DownloadPieceBackToSourceFailedRequest_HttpResponse)(nil),
-		(*DownloadPieceBackToSourceFailedRequest_HdfsResponse)(nil),
-		(*DownloadPieceBackToSourceFailedRequest_S3Response)(nil),
-		(*DownloadPieceBackToSourceFailedRequest_OssResponse)(nil),
 	}
-	file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[17].OneofWrappers = []interface{}{}
-	file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[18].OneofWrappers = []interface{}{
+	file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[14].OneofWrappers = []interface{}{}
+	file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[15].OneofWrappers = []interface{}{
 		(*AnnouncePeerRequest_RegisterPeerRequest)(nil),
 		(*AnnouncePeerRequest_RegisterSeedPeerRequest)(nil),
 		(*AnnouncePeerRequest_DownloadPeerStartedRequest)(nil),
@@ -3360,14 +3147,14 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 		(*AnnouncePeerRequest_DownloadPieceBackToSourceFailedRequest)(nil),
 		(*AnnouncePeerRequest_SyncPiecesFailedRequest)(nil),
 	}
-	file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[21].OneofWrappers = []interface{}{}
-	file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[22].OneofWrappers = []interface{}{
+	file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[18].OneofWrappers = []interface{}{}
+	file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[19].OneofWrappers = []interface{}{
 		(*AnnouncePeerResponse_EmptyTaskResponse)(nil),
 		(*AnnouncePeerResponse_NormalTaskResponse)(nil),
 		(*AnnouncePeerResponse_NeedBackToSourceResponse)(nil),
 	}
-	file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[33].OneofWrappers = []interface{}{}
-	file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[35].OneofWrappers = []interface{}{
+	file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[30].OneofWrappers = []interface{}{}
+	file_pkg_apis_scheduler_v2_scheduler_proto_msgTypes[32].OneofWrappers = []interface{}{
 		(*SyncProbesRequest_ProbeStartedRequest)(nil),
 		(*SyncProbesRequest_ProbeFinishedRequest)(nil),
 		(*SyncProbesRequest_ProbeFailedRequest)(nil),
@@ -3378,7 +3165,7 @@ func file_pkg_apis_scheduler_v2_scheduler_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_pkg_apis_scheduler_v2_scheduler_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   38,
+			NumMessages:   35,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/pkg/apis/scheduler/v2/scheduler.pb.validate.go b/pkg/apis/scheduler/v2/scheduler.pb.validate.go
index 658c5ca..212b9af 100644
--- a/pkg/apis/scheduler/v2/scheduler.pb.validate.go
+++ b/pkg/apis/scheduler/v2/scheduler.pb.validate.go
@@ -1460,10 +1460,10 @@ func (m *DownloadPieceFailedRequest) validate(all bool) error {
 
 	var errors []error
 
-	if m.GetPiece() == nil {
+	if m.GetPieceNumber() < 0 {
 		err := DownloadPieceFailedRequestValidationError{
-			field:  "Piece",
-			reason: "value is required",
+			field:  "PieceNumber",
+			reason: "value must be greater than or equal to 0",
 		}
 		if !all {
 			return err
@@ -1471,33 +1471,15 @@ func (m *DownloadPieceFailedRequest) validate(all bool) error {
 		errors = append(errors, err)
 	}
 
-	if all {
-		switch v := interface{}(m.GetPiece()).(type) {
-		case interface{ ValidateAll() error }:
-			if err := v.ValidateAll(); err != nil {
-				errors = append(errors, DownloadPieceFailedRequestValidationError{
-					field:  "Piece",
-					reason: "embedded message failed validation",
-					cause:  err,
-				})
-			}
-		case interface{ Validate() error }:
-			if err := v.Validate(); err != nil {
-				errors = append(errors, DownloadPieceFailedRequestValidationError{
-					field:  "Piece",
-					reason: "embedded message failed validation",
-					cause:  err,
-				})
-			}
+	if utf8.RuneCountInString(m.GetParentId()) < 1 {
+		err := DownloadPieceFailedRequestValidationError{
+			field:  "ParentId",
+			reason: "value length must be at least 1 runes",
 		}
-	} else if v, ok := interface{}(m.GetPiece()).(interface{ Validate() error }); ok {
-		if err := v.Validate(); err != nil {
-			return DownloadPieceFailedRequestValidationError{
-				field:  "Piece",
-				reason: "embedded message failed validation",
-				cause:  err,
-			}
+		if !all {
+			return err
 		}
+		errors = append(errors, err)
 	}
 
 	// no validation rules for Temporary
@@ -1705,303 +1687,6 @@ var _ interface {
 	ErrorName() string
 } = HTTPResponseValidationError{}
 
-// Validate checks the field values on HDFSResponse with the rules defined in
-// the proto definition for this message. If any rules are violated, the first
-// error encountered is returned, or nil if there are no violations.
-func (m *HDFSResponse) Validate() error {
-	return m.validate(false)
-}
-
-// ValidateAll checks the field values on HDFSResponse with the rules defined
-// in the proto definition for this message. If any rules are violated, the
-// result is a list of violation errors wrapped in HDFSResponseMultiError, or
-// nil if none found.
-func (m *HDFSResponse) ValidateAll() error {
-	return m.validate(true)
-}
-
-func (m *HDFSResponse) validate(all bool) error {
-	if m == nil {
-		return nil
-	}
-
-	var errors []error
-
-	if len(errors) > 0 {
-		return HDFSResponseMultiError(errors)
-	}
-
-	return nil
-}
-
-// HDFSResponseMultiError is an error wrapping multiple validation errors
-// returned by HDFSResponse.ValidateAll() if the designated constraints aren't met.
-type HDFSResponseMultiError []error
-
-// Error returns a concatenation of all the error messages it wraps.
-func (m HDFSResponseMultiError) Error() string {
-	var msgs []string
-	for _, err := range m {
-		msgs = append(msgs, err.Error())
-	}
-	return strings.Join(msgs, "; ")
-}
-
-// AllErrors returns a list of validation violation errors.
-func (m HDFSResponseMultiError) AllErrors() []error { return m }
-
-// HDFSResponseValidationError is the validation error returned by
-// HDFSResponse.Validate if the designated constraints aren't met.
-type HDFSResponseValidationError struct {
-	field  string
-	reason string
-	cause  error
-	key    bool
-}
-
-// Field function returns field value.
-func (e HDFSResponseValidationError) Field() string { return e.field }
-
-// Reason function returns reason value.
-func (e HDFSResponseValidationError) Reason() string { return e.reason }
-
-// Cause function returns cause value.
-func (e HDFSResponseValidationError) Cause() error { return e.cause }
-
-// Key function returns key value.
-func (e HDFSResponseValidationError) Key() bool { return e.key }
-
-// ErrorName returns error name.
-func (e HDFSResponseValidationError) ErrorName() string { return "HDFSResponseValidationError" }
-
-// Error satisfies the builtin error interface
-func (e HDFSResponseValidationError) Error() string {
-	cause := ""
-	if e.cause != nil {
-		cause = fmt.Sprintf(" | caused by: %v", e.cause)
-	}
-
-	key := ""
-	if e.key {
-		key = "key for "
-	}
-
-	return fmt.Sprintf(
-		"invalid %sHDFSResponse.%s: %s%s",
-		key,
-		e.field,
-		e.reason,
-		cause)
-}
-
-var _ error = HDFSResponseValidationError{}
-
-var _ interface {
-	Field() string
-	Reason() string
-	Key() bool
-	Cause() error
-	ErrorName() string
-} = HDFSResponseValidationError{}
-
-// Validate checks the field values on S3Response with the rules defined in the
-// proto definition for this message. If any rules are violated, the first
-// error encountered is returned, or nil if there are no violations.
-func (m *S3Response) Validate() error {
-	return m.validate(false)
-}
-
-// ValidateAll checks the field values on S3Response with the rules defined in
-// the proto definition for this message. If any rules are violated, the
-// result is a list of violation errors wrapped in S3ResponseMultiError, or
-// nil if none found.
-func (m *S3Response) ValidateAll() error {
-	return m.validate(true)
-}
-
-func (m *S3Response) validate(all bool) error {
-	if m == nil {
-		return nil
-	}
-
-	var errors []error
-
-	if len(errors) > 0 {
-		return S3ResponseMultiError(errors)
-	}
-
-	return nil
-}
-
-// S3ResponseMultiError is an error wrapping multiple validation errors
-// returned by S3Response.ValidateAll() if the designated constraints aren't met.
-type S3ResponseMultiError []error
-
-// Error returns a concatenation of all the error messages it wraps.
-func (m S3ResponseMultiError) Error() string {
-	var msgs []string
-	for _, err := range m {
-		msgs = append(msgs, err.Error())
-	}
-	return strings.Join(msgs, "; ")
-}
-
-// AllErrors returns a list of validation violation errors.
-func (m S3ResponseMultiError) AllErrors() []error { return m }
-
-// S3ResponseValidationError is the validation error returned by
-// S3Response.Validate if the designated constraints aren't met.
-type S3ResponseValidationError struct {
-	field  string
-	reason string
-	cause  error
-	key    bool
-}
-
-// Field function returns field value.
-func (e S3ResponseValidationError) Field() string { return e.field }
-
-// Reason function returns reason value.
-func (e S3ResponseValidationError) Reason() string { return e.reason }
-
-// Cause function returns cause value.
-func (e S3ResponseValidationError) Cause() error { return e.cause }
-
-// Key function returns key value.
-func (e S3ResponseValidationError) Key() bool { return e.key }
-
-// ErrorName returns error name.
-func (e S3ResponseValidationError) ErrorName() string { return "S3ResponseValidationError" }
-
-// Error satisfies the builtin error interface
-func (e S3ResponseValidationError) Error() string {
-	cause := ""
-	if e.cause != nil {
-		cause = fmt.Sprintf(" | caused by: %v", e.cause)
-	}
-
-	key := ""
-	if e.key {
-		key = "key for "
-	}
-
-	return fmt.Sprintf(
-		"invalid %sS3Response.%s: %s%s",
-		key,
-		e.field,
-		e.reason,
-		cause)
-}
-
-var _ error = S3ResponseValidationError{}
-
-var _ interface {
-	Field() string
-	Reason() string
-	Key() bool
-	Cause() error
-	ErrorName() string
-} = S3ResponseValidationError{}
-
-// Validate checks the field values on OSSResponse with the rules defined in
-// the proto definition for this message. If any rules are violated, the first
-// error encountered is returned, or nil if there are no violations.
-func (m *OSSResponse) Validate() error {
-	return m.validate(false)
-}
-
-// ValidateAll checks the field values on OSSResponse with the rules defined in
-// the proto definition for this message. If any rules are violated, the
-// result is a list of violation errors wrapped in OSSResponseMultiError, or
-// nil if none found.
-func (m *OSSResponse) ValidateAll() error {
-	return m.validate(true)
-}
-
-func (m *OSSResponse) validate(all bool) error {
-	if m == nil {
-		return nil
-	}
-
-	var errors []error
-
-	if len(errors) > 0 {
-		return OSSResponseMultiError(errors)
-	}
-
-	return nil
-}
-
-// OSSResponseMultiError is an error wrapping multiple validation errors
-// returned by OSSResponse.ValidateAll() if the designated constraints aren't met.
-type OSSResponseMultiError []error
-
-// Error returns a concatenation of all the error messages it wraps.
-func (m OSSResponseMultiError) Error() string {
-	var msgs []string
-	for _, err := range m {
-		msgs = append(msgs, err.Error())
-	}
-	return strings.Join(msgs, "; ")
-}
-
-// AllErrors returns a list of validation violation errors.
-func (m OSSResponseMultiError) AllErrors() []error { return m }
-
-// OSSResponseValidationError is the validation error returned by
-// OSSResponse.Validate if the designated constraints aren't met.
-type OSSResponseValidationError struct {
-	field  string
-	reason string
-	cause  error
-	key    bool
-}
-
-// Field function returns field value.
-func (e OSSResponseValidationError) Field() string { return e.field }
-
-// Reason function returns reason value.
-func (e OSSResponseValidationError) Reason() string { return e.reason }
-
-// Cause function returns cause value.
-func (e OSSResponseValidationError) Cause() error { return e.cause }
-
-// Key function returns key value.
-func (e OSSResponseValidationError) Key() bool { return e.key }
-
-// ErrorName returns error name.
-func (e OSSResponseValidationError) ErrorName() string { return "OSSResponseValidationError" }
-
-// Error satisfies the builtin error interface
-func (e OSSResponseValidationError) Error() string {
-	cause := ""
-	if e.cause != nil {
-		cause = fmt.Sprintf(" | caused by: %v", e.cause)
-	}
-
-	key := ""
-	if e.key {
-		key = "key for "
-	}
-
-	return fmt.Sprintf(
-		"invalid %sOSSResponse.%s: %s%s",
-		key,
-		e.field,
-		e.reason,
-		cause)
-}
-
-var _ error = OSSResponseValidationError{}
-
-var _ interface {
-	Field() string
-	Reason() string
-	Key() bool
-	Cause() error
-	ErrorName() string
-} = OSSResponseValidationError{}
-
 // Validate checks the field values on DownloadPieceBackToSourceFailedRequest
 // with the rules defined in the proto definition for this message. If any
 // rules are violated, the first error encountered is returned, or nil if
@@ -2026,10 +1711,10 @@ func (m *DownloadPieceBackToSourceFailedRequest) validate(all bool) error {
 
 	var errors []error
 
-	if m.GetPiece() == nil {
+	if m.GetPieceNumber() < 0 {
 		err := DownloadPieceBackToSourceFailedRequestValidationError{
-			field:  "Piece",
-			reason: "value is required",
+			field:  "PieceNumber",
+			reason: "value must be greater than or equal to 0",
 		}
 		if !all {
 			return err
@@ -2037,35 +1722,6 @@ func (m *DownloadPieceBackToSourceFailedRequest) validate(all bool) error {
 		errors = append(errors, err)
 	}
 
-	if all {
-		switch v := interface{}(m.GetPiece()).(type) {
-		case interface{ ValidateAll() error }:
-			if err := v.ValidateAll(); err != nil {
-				errors = append(errors, DownloadPieceBackToSourceFailedRequestValidationError{
-					field:  "Piece",
-					reason: "embedded message failed validation",
-					cause:  err,
-				})
-			}
-		case interface{ Validate() error }:
-			if err := v.Validate(); err != nil {
-				errors = append(errors, DownloadPieceBackToSourceFailedRequestValidationError{
-					field:  "Piece",
-					reason: "embedded message failed validation",
-					cause:  err,
-				})
-			}
-		}
-	} else if v, ok := interface{}(m.GetPiece()).(interface{ Validate() error }); ok {
-		if err := v.Validate(); err != nil {
-			return DownloadPieceBackToSourceFailedRequestValidationError{
-				field:  "Piece",
-				reason: "embedded message failed validation",
-				cause:  err,
-			}
-		}
-	}
-
 	oneofResponsePresent := false
 	switch v := m.Response.(type) {
 	case *DownloadPieceBackToSourceFailedRequest_HttpResponse:
@@ -2110,132 +1766,6 @@ func (m *DownloadPieceBackToSourceFailedRequest) validate(all bool) error {
 			}
 		}
 
-	case *DownloadPieceBackToSourceFailedRequest_HdfsResponse:
-		if v == nil {
-			err := DownloadPieceBackToSourceFailedRequestValidationError{
-				field:  "Response",
-				reason: "oneof value cannot be a typed-nil",
-			}
-			if !all {
-				return err
-			}
-			errors = append(errors, err)
-		}
-		oneofResponsePresent = true
-
-		if all {
-			switch v := interface{}(m.GetHdfsResponse()).(type) {
-			case interface{ ValidateAll() error }:
-				if err := v.ValidateAll(); err != nil {
-					errors = append(errors, DownloadPieceBackToSourceFailedRequestValidationError{
-						field:  "HdfsResponse",
-						reason: "embedded message failed validation",
-						cause:  err,
-					})
-				}
-			case interface{ Validate() error }:
-				if err := v.Validate(); err != nil {
-					errors = append(errors, DownloadPieceBackToSourceFailedRequestValidationError{
-						field:  "HdfsResponse",
-						reason: "embedded message failed validation",
-						cause:  err,
-					})
-				}
-			}
-		} else if v, ok := interface{}(m.GetHdfsResponse()).(interface{ Validate() error }); ok {
-			if err := v.Validate(); err != nil {
-				return DownloadPieceBackToSourceFailedRequestValidationError{
-					field:  "HdfsResponse",
-					reason: "embedded message failed validation",
-					cause:  err,
-				}
-			}
-		}
-
-	case *DownloadPieceBackToSourceFailedRequest_S3Response:
-		if v == nil {
-			err := DownloadPieceBackToSourceFailedRequestValidationError{
-				field:  "Response",
-				reason: "oneof value cannot be a typed-nil",
-			}
-			if !all {
-				return err
-			}
-			errors = append(errors, err)
-		}
-		oneofResponsePresent = true
-
-		if all {
-			switch v := interface{}(m.GetS3Response()).(type) {
-			case interface{ ValidateAll() error }:
-				if err := v.ValidateAll(); err != nil {
-					errors = append(errors, DownloadPieceBackToSourceFailedRequestValidationError{
-						field:  "S3Response",
-						reason: "embedded message failed validation",
-						cause:  err,
-					})
-				}
-			case interface{ Validate() error }:
-				if err := v.Validate(); err != nil {
-					errors = append(errors, DownloadPieceBackToSourceFailedRequestValidationError{
-						field:  "S3Response",
-						reason: "embedded message failed validation",
-						cause:  err,
-					})
-				}
-			}
-		} else if v, ok := interface{}(m.GetS3Response()).(interface{ Validate() error }); ok {
-			if err := v.Validate(); err != nil {
-				return DownloadPieceBackToSourceFailedRequestValidationError{
-					field:  "S3Response",
-					reason: "embedded message failed validation",
-					cause:  err,
-				}
-			}
-		}
-
-	case *DownloadPieceBackToSourceFailedRequest_OssResponse:
-		if v == nil {
-			err := DownloadPieceBackToSourceFailedRequestValidationError{
-				field:  "Response",
-				reason: "oneof value cannot be a typed-nil",
-			}
-			if !all {
-				return err
-			}
-			errors = append(errors, err)
-		}
-		oneofResponsePresent = true
-
-		if all {
-			switch v := interface{}(m.GetOssResponse()).(type) {
-			case interface{ ValidateAll() error }:
-				if err := v.ValidateAll(); err != nil {
-					errors = append(errors, DownloadPieceBackToSourceFailedRequestValidationError{
-						field:  "OssResponse",
-						reason: "embedded message failed validation",
-						cause:  err,
-					})
-				}
-			case interface{ Validate() error }:
-				if err := v.Validate(); err != nil {
-					errors = append(errors, DownloadPieceBackToSourceFailedRequestValidationError{
-						field:  "OssResponse",
-						reason: "embedded message failed validation",
-						cause:  err,
-					})
-				}
-			}
-		} else if v, ok := interface{}(m.GetOssResponse()).(interface{ Validate() error }); ok {
-			if err := v.Validate(); err != nil {
-				return DownloadPieceBackToSourceFailedRequestValidationError{
-					field:  "OssResponse",
-					reason: "embedded message failed validation",
-					cause:  err,
-				}
-			}
-		}
-
 	default:
 		_ = v // ensures v is used
 	}
diff --git a/pkg/apis/scheduler/v2/scheduler.proto b/pkg/apis/scheduler/v2/scheduler.proto
index 23ec46b..4d227df 100644
--- a/pkg/apis/scheduler/v2/scheduler.proto
+++ b/pkg/apis/scheduler/v2/scheduler.proto
@@ -96,10 +96,12 @@ message DownloadPieceBackToSourceFinishedRequest {
 
 // DownloadPieceFailedRequest downloads piece failed request of AnnouncePeerRequest.
 message DownloadPieceFailedRequest {
-  // Piece info.
-  common.v2.Piece piece = 1 [(validate.rules).message.required = true];
+  // Piece number.
+  int32 piece_number = 1 [(validate.rules).int32.gte = 0];
+  // Parent id.
+  string parent_id = 2 [(validate.rules).string.min_len = 1];
   // Temporary indicates whether the error is temporary.
-  bool temporary = 2;
+  bool temporary = 3;
 }
 
 // HTTPResponse represents http protocol response of DownloadPieceBackToSourceFailedRequest.
@@ -112,30 +114,15 @@ message HTTPResponse {
   string status = 3 [(validate.rules).string.min_len = 1];
 }
 
-// HDFSResponse represents hdfs protocol response of DownloadPieceBackToSourceFailedRequest.
-message HDFSResponse {
-}
-
-// S3Response represents s3 protocol response of DownloadPieceBackToSourceFailedRequest.
-message S3Response {
-}
-
-// OSSResponse represents oss protocol response of DownloadPieceBackToSourceFailedRequest.
-message OSSResponse {
-}
-
 // DownloadPieceBackToSourceFailedRequest downloads piece back-to-source failed request of AnnouncePeerRequest.
 message DownloadPieceBackToSourceFailedRequest {
-  // Piece info.
-  common.v2.Piece piece = 1 [(validate.rules).message.required = true];
+  // Piece number.
+  int32 piece_number = 1 [(validate.rules).int32.gte = 0];
 
   oneof response {
     option (validate.required) = true;
 
     HTTPResponse http_response = 2;
-    HDFSResponse hdfs_response = 3;
-    S3Response s3_response = 4;
-    OSSResponse oss_response = 5;
   }
 }
 
diff --git a/proto/scheduler.proto b/proto/scheduler.proto
index 0924e9e..763802a 100644
--- a/proto/scheduler.proto
+++ b/proto/scheduler.proto
@@ -93,10 +93,12 @@ message DownloadPieceBackToSourceFinishedRequest {
 
 // DownloadPieceFailedRequest downloads piece failed request of AnnouncePeerRequest.
 message DownloadPieceFailedRequest {
-  // Piece info.
-  common.v2.Piece piece = 1;
+  // Piece number.
+  int32 piece_number = 1;
+  // Parent id.
+  string parent_id = 2;
   // Temporary indicates whether the error is temporary.
-  bool temporary = 2;
+  bool temporary = 3;
 }
 
 // HTTPResponse represents http protocol response of DownloadPieceBackToSourceFailedRequest.
@@ -109,28 +111,13 @@ message HTTPResponse {
   string status = 3;
 }
 
-// HDFSResponse represents hdfs protocol response of DownloadPieceBackToSourceFailedRequest.
-message HDFSResponse {
-}
-
-// S3Response represents s3 protocol response of DownloadPieceBackToSourceFailedRequest.
-message S3Response {
-}
-
-// OSSResponse represents oss protocol response of DownloadPieceBackToSourceFailedRequest.
-message OSSResponse {
-}
-
 // DownloadPieceBackToSourceFailedRequest downloads piece back-to-source failed request of AnnouncePeerRequest.
 message DownloadPieceBackToSourceFailedRequest {
-  // Piece info.
-  common.v2.Piece piece = 1;
+  // Piece number.
+  int32 piece_number = 1;
 
   oneof response {
     HTTPResponse http_response = 2;
-    HDFSResponse hdfs_response = 3;
-    S3Response s3_response = 4;
-    OSSResponse oss_response = 5;
   }
 }
 
diff --git a/src/descriptor.bin b/src/descriptor.bin
index b00f646..fb8c6a7 100644
Binary files a/src/descriptor.bin and b/src/descriptor.bin differ
diff --git a/src/scheduler.v2.rs b/src/scheduler.v2.rs
index 3419f49..8ee480e 100644
--- a/src/scheduler.v2.rs
+++ b/src/scheduler.v2.rs
@@ -104,11 +104,14 @@ pub struct DownloadPieceBackToSourceFinishedRequest {
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct DownloadPieceFailedRequest {
-    /// Piece info.
-    #[prost(message, optional, tag = "1")]
-    pub piece: ::core::option::Option<super::super::common::v2::Piece>,
+    /// Piece number.
+    #[prost(int32, tag = "1")]
+    pub piece_number: i32,
+    /// Parent id.
+    #[prost(string, tag = "2")]
+    pub parent_id: ::prost::alloc::string::String,
     /// Temporary indicates whether the error is temporary.
-    #[prost(bool, tag = "2")]
+    #[prost(bool, tag = "3")]
     pub temporary: bool,
 }
 /// HTTPResponse represents http protocol response of DownloadPieceBackToSourceFailedRequest.
@@ -129,32 +132,17 @@ pub struct HttpResponse {
     #[prost(string, tag = "3")]
     pub status: ::prost::alloc::string::String,
 }
-/// HDFSResponse represents hdfs protocol response of DownloadPieceBackToSourceFailedRequest.
-#[derive(serde::Serialize, serde::Deserialize)]
-#[allow(clippy::derive_partial_eq_without_eq)]
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct HdfsResponse {}
-/// S3Response represents s3 protocol response of DownloadPieceBackToSourceFailedRequest.
-#[derive(serde::Serialize, serde::Deserialize)]
-#[allow(clippy::derive_partial_eq_without_eq)]
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct S3Response {}
-/// OSSResponse represents oss protocol response of DownloadPieceBackToSourceFailedRequest.
-#[derive(serde::Serialize, serde::Deserialize)]
-#[allow(clippy::derive_partial_eq_without_eq)]
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct OssResponse {}
 /// DownloadPieceBackToSourceFailedRequest downloads piece back-to-source failed request of AnnouncePeerRequest.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct DownloadPieceBackToSourceFailedRequest {
-    /// Piece info.
-    #[prost(message, optional, tag = "1")]
-    pub piece: ::core::option::Option<super::super::common::v2::Piece>,
+    /// Piece number.
+    #[prost(int32, tag = "1")]
+    pub piece_number: i32,
     #[prost(
         oneof = "download_piece_back_to_source_failed_request::Response",
-        tags = "2, 3, 4, 5"
+        tags = "2"
     )]
     pub response: ::core::option::Option<
         download_piece_back_to_source_failed_request::Response,
@@ -168,12 +156,6 @@ pub mod download_piece_back_to_source_failed_request {
     pub enum Response {
         #[prost(message, tag = "2")]
         HttpResponse(super::HttpResponse),
-        #[prost(message, tag = "3")]
-        HdfsResponse(super::HdfsResponse),
-        #[prost(message, tag = "4")]
-        S3Response(super::S3Response),
-        #[prost(message, tag = "5")]
-        OssResponse(super::OssResponse),
     }
 }
 /// SyncPiecesFailedRequest syncs pieces failed request of AnnouncePeerRequest.