diff --git a/Cargo.lock b/Cargo.lock
index b2c5d8b..1696953 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -190,7 +190,7 @@ dependencies = [
 
 [[package]]
 name = "dragonfly-api"
-version = "2.0.169"
+version = "2.0.170"
 dependencies = [
  "prost",
  "prost-types",
diff --git a/Cargo.toml b/Cargo.toml
index 398a46e..28fedac 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "dragonfly-api"
-version = "2.0.169"
+version = "2.0.170"
 authors = ["Gaius <gaius.qi@gmail.com>"]
 edition = "2021"
 license = "Apache-2.0"
diff --git a/pkg/apis/common/v2/common.pb.go b/pkg/apis/common/v2/common.pb.go
index 191c317..53664f2 100644
--- a/pkg/apis/common/v2/common.pb.go
+++ b/pkg/apis/common/v2/common.pb.go
@@ -1785,6 +1785,8 @@ type Download struct {
 	Prefetch bool `protobuf:"varint,16,opt,name=prefetch,proto3" json:"prefetch,omitempty"`
 	// Object Storage related information.
 	ObjectStorage *ObjectStorage `protobuf:"bytes,17,opt,name=object_storage,json=objectStorage,proto3,oneof" json:"object_storage,omitempty"`
+	// HDFS related information.
+	Hdfs *HDFS `protobuf:"bytes,18,opt,name=hdfs,proto3,oneof" json:"hdfs,omitempty"`
 }
 
 func (x *Download) Reset() {
@@ -1938,6 +1940,13 @@ func (x *Download) GetObjectStorage() *ObjectStorage {
 	return nil
 }
 
+func (x *Download) GetHdfs() *HDFS {
+	if x != nil {
+		return x.Hdfs
+	}
+	return nil
+}
+
 // Object Storage related information.
 type ObjectStorage struct {
 	state         protoimpl.MessageState
@@ -2041,6 +2050,55 @@ func (x *ObjectStorage) GetPredefinedAcl() string {
 	return ""
 }
 
+// HDFS related information.
+type HDFS struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Delegation token for Web HDFS operator.
+	DelegationToken *string `protobuf:"bytes,1,opt,name=delegation_token,json=delegationToken,proto3,oneof" json:"delegation_token,omitempty"`
+}
+
+func (x *HDFS) Reset() {
+	*x = HDFS{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_pkg_apis_common_v2_common_proto_msgTypes[13]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *HDFS) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HDFS) ProtoMessage() {}
+
+func (x *HDFS) ProtoReflect() protoreflect.Message {
+	mi := &file_pkg_apis_common_v2_common_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 HDFS.ProtoReflect.Descriptor instead.
+func (*HDFS) Descriptor() ([]byte, []int) {
+	return file_pkg_apis_common_v2_common_proto_rawDescGZIP(), []int{13}
+}
+
+func (x *HDFS) GetDelegationToken() string {
+	if x != nil && x.DelegationToken != nil {
+		return *x.DelegationToken
+	}
+	return ""
+}
+
 // Range represents download range.
 type Range struct {
 	state         protoimpl.MessageState
@@ -2056,7 +2114,7 @@ type Range struct {
 func (x *Range) Reset() {
 	*x = Range{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_common_v2_common_proto_msgTypes[13]
+		mi := &file_pkg_apis_common_v2_common_proto_msgTypes[14]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2069,7 +2127,7 @@ func (x *Range) String() string {
 func (*Range) ProtoMessage() {}
 
 func (x *Range) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_common_v2_common_proto_msgTypes[13]
+	mi := &file_pkg_apis_common_v2_common_proto_msgTypes[14]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2082,7 +2140,7 @@ func (x *Range) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Range.ProtoReflect.Descriptor instead.
 func (*Range) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_common_v2_common_proto_rawDescGZIP(), []int{13}
+	return file_pkg_apis_common_v2_common_proto_rawDescGZIP(), []int{14}
 }
 
 func (x *Range) GetStart() uint64 {
@@ -2128,7 +2186,7 @@ type Piece struct {
 func (x *Piece) Reset() {
 	*x = Piece{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_common_v2_common_proto_msgTypes[14]
+		mi := &file_pkg_apis_common_v2_common_proto_msgTypes[15]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2141,7 +2199,7 @@ func (x *Piece) String() string {
 func (*Piece) ProtoMessage() {}
 
 func (x *Piece) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_common_v2_common_proto_msgTypes[14]
+	mi := &file_pkg_apis_common_v2_common_proto_msgTypes[15]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2154,7 +2212,7 @@ func (x *Piece) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Piece.ProtoReflect.Descriptor instead.
 func (*Piece) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_common_v2_common_proto_rawDescGZIP(), []int{14}
+	return file_pkg_apis_common_v2_common_proto_rawDescGZIP(), []int{15}
 }
 
 func (x *Piece) GetNumber() uint32 {
@@ -2566,7 +2624,7 @@ var file_pkg_apis_common_v2_common_proto_rawDesc = []byte{
 	0x69, 0x74, 0x5f, 0x63, 0x6f, 0x6d, 0x6d, 0x69, 0x74, 0x42, 0x0d, 0x0a, 0x0b, 0x5f, 0x67, 0x6f,
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+	0x0b, 0x32, 0x19, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
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+	0x63, 0x72, 0x65, 0x61, 0x74, 0x65, 0x64, 0x5f, 0x61, 0x74, 0x18, 0x09, 0x20, 0x01, 0x28, 0x0b,
+	0x32, 0x1a, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62,
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+	0x05, 0xb2, 0x01, 0x02, 0x08, 0x01, 0x52, 0x09, 0x63, 0x72, 0x65, 0x61, 0x74, 0x65, 0x64, 0x41,
+	0x74, 0x42, 0x0c, 0x0a, 0x0a, 0x5f, 0x70, 0x61, 0x72, 0x65, 0x6e, 0x74, 0x5f, 0x69, 0x64, 0x42,
+	0x0a, 0x0a, 0x08, 0x5f, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x42, 0x0f, 0x0a, 0x0d, 0x5f,
+	0x74, 0x72, 0x61, 0x66, 0x66, 0x69, 0x63, 0x5f, 0x74, 0x79, 0x70, 0x65, 0x2a, 0x43, 0x0a, 0x09,
+	0x53, 0x69, 0x7a, 0x65, 0x53, 0x63, 0x6f, 0x70, 0x65, 0x12, 0x0a, 0x0a, 0x06, 0x4e, 0x4f, 0x52,
+	0x4d, 0x41, 0x4c, 0x10, 0x00, 0x12, 0x09, 0x0a, 0x05, 0x53, 0x4d, 0x41, 0x4c, 0x4c, 0x10, 0x01,
+	0x12, 0x08, 0x0a, 0x04, 0x54, 0x49, 0x4e, 0x59, 0x10, 0x02, 0x12, 0x09, 0x0a, 0x05, 0x45, 0x4d,
+	0x50, 0x54, 0x59, 0x10, 0x03, 0x12, 0x0a, 0x0a, 0x06, 0x55, 0x4e, 0x4b, 0x4e, 0x4f, 0x57, 0x10,
+	0x04, 0x2a, 0x3e, 0x0a, 0x08, 0x54, 0x61, 0x73, 0x6b, 0x54, 0x79, 0x70, 0x65, 0x12, 0x0c, 0x0a,
+	0x08, 0x53, 0x54, 0x41, 0x4e, 0x44, 0x41, 0x52, 0x44, 0x10, 0x00, 0x12, 0x0e, 0x0a, 0x0a, 0x50,
+	0x45, 0x52, 0x53, 0x49, 0x53, 0x54, 0x45, 0x4e, 0x54, 0x10, 0x01, 0x12, 0x14, 0x0a, 0x10, 0x50,
+	0x45, 0x52, 0x53, 0x49, 0x53, 0x54, 0x45, 0x4e, 0x54, 0x5f, 0x43, 0x41, 0x43, 0x48, 0x45, 0x10,
+	0x02, 0x2a, 0x42, 0x0a, 0x0b, 0x54, 0x72, 0x61, 0x66, 0x66, 0x69, 0x63, 0x54, 0x79, 0x70, 0x65,
+	0x12, 0x12, 0x0a, 0x0e, 0x42, 0x41, 0x43, 0x4b, 0x5f, 0x54, 0x4f, 0x5f, 0x53, 0x4f, 0x55, 0x52,
+	0x43, 0x45, 0x10, 0x00, 0x12, 0x0f, 0x0a, 0x0b, 0x52, 0x45, 0x4d, 0x4f, 0x54, 0x45, 0x5f, 0x50,
+	0x45, 0x45, 0x52, 0x10, 0x01, 0x12, 0x0e, 0x0a, 0x0a, 0x4c, 0x4f, 0x43, 0x41, 0x4c, 0x5f, 0x50,
+	0x45, 0x45, 0x52, 0x10, 0x02, 0x2a, 0x5e, 0x0a, 0x08, 0x50, 0x72, 0x69, 0x6f, 0x72, 0x69, 0x74,
+	0x79, 0x12, 0x0a, 0x0a, 0x06, 0x4c, 0x45, 0x56, 0x45, 0x4c, 0x30, 0x10, 0x00, 0x12, 0x0a, 0x0a,
+	0x06, 0x4c, 0x45, 0x56, 0x45, 0x4c, 0x31, 0x10, 0x01, 0x12, 0x0a, 0x0a, 0x06, 0x4c, 0x45, 0x56,
+	0x45, 0x4c, 0x32, 0x10, 0x02, 0x12, 0x0a, 0x0a, 0x06, 0x4c, 0x45, 0x56, 0x45, 0x4c, 0x33, 0x10,
+	0x03, 0x12, 0x0a, 0x0a, 0x06, 0x4c, 0x45, 0x56, 0x45, 0x4c, 0x34, 0x10, 0x04, 0x12, 0x0a, 0x0a,
+	0x06, 0x4c, 0x45, 0x56, 0x45, 0x4c, 0x35, 0x10, 0x05, 0x12, 0x0a, 0x0a, 0x06, 0x4c, 0x45, 0x56,
+	0x45, 0x4c, 0x36, 0x10, 0x06, 0x42, 0x29, 0x5a, 0x27, 0x64, 0x37, 0x79, 0x2e, 0x69, 0x6f, 0x2f,
+	0x61, 0x70, 0x69, 0x2f, 0x76, 0x32, 0x2f, 0x70, 0x6b, 0x67, 0x2f, 0x61, 0x70, 0x69, 0x73, 0x2f,
+	0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x76, 0x32, 0x3b, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e,
+	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -2746,7 +2813,7 @@ func file_pkg_apis_common_v2_common_proto_rawDescGZIP() []byte {
 }
 
 var file_pkg_apis_common_v2_common_proto_enumTypes = make([]protoimpl.EnumInfo, 4)
-var file_pkg_apis_common_v2_common_proto_msgTypes = make([]protoimpl.MessageInfo, 17)
+var file_pkg_apis_common_v2_common_proto_msgTypes = make([]protoimpl.MessageInfo, 18)
 var file_pkg_apis_common_v2_common_proto_goTypes = []interface{}{
 	(SizeScope)(0),                // 0: common.v2.SizeScope
 	(TaskType)(0),                 // 1: common.v2.TaskType
@@ -2765,55 +2832,57 @@ var file_pkg_apis_common_v2_common_proto_goTypes = []interface{}{
 	(*Build)(nil),                 // 14: common.v2.Build
 	(*Download)(nil),              // 15: common.v2.Download
 	(*ObjectStorage)(nil),         // 16: common.v2.ObjectStorage
-	(*Range)(nil),                 // 17: common.v2.Range
-	(*Piece)(nil),                 // 18: common.v2.Piece
-	nil,                           // 19: common.v2.Task.RequestHeaderEntry
-	nil,                           // 20: common.v2.Download.RequestHeaderEntry
-	(*durationpb.Duration)(nil),   // 21: google.protobuf.Duration
-	(*timestamppb.Timestamp)(nil), // 22: google.protobuf.Timestamp
+	(*HDFS)(nil),                  // 17: common.v2.HDFS
+	(*Range)(nil),                 // 18: common.v2.Range
+	(*Piece)(nil),                 // 19: common.v2.Piece
+	nil,                           // 20: common.v2.Task.RequestHeaderEntry
+	nil,                           // 21: common.v2.Download.RequestHeaderEntry
+	(*durationpb.Duration)(nil),   // 22: google.protobuf.Duration
+	(*timestamppb.Timestamp)(nil), // 23: google.protobuf.Timestamp
 }
 var file_pkg_apis_common_v2_common_proto_depIdxs = []int32{
-	17, // 0: common.v2.Peer.range:type_name -> common.v2.Range
+	18, // 0: common.v2.Peer.range:type_name -> common.v2.Range
 	3,  // 1: common.v2.Peer.priority:type_name -> common.v2.Priority
-	18, // 2: common.v2.Peer.pieces:type_name -> common.v2.Piece
-	21, // 3: common.v2.Peer.cost:type_name -> google.protobuf.Duration
+	19, // 2: common.v2.Peer.pieces:type_name -> common.v2.Piece
+	22, // 3: common.v2.Peer.cost:type_name -> google.protobuf.Duration
 	6,  // 4: common.v2.Peer.task:type_name -> common.v2.Task
 	8,  // 5: common.v2.Peer.host:type_name -> common.v2.Host
-	22, // 6: common.v2.Peer.created_at:type_name -> google.protobuf.Timestamp
-	22, // 7: common.v2.Peer.updated_at:type_name -> google.protobuf.Timestamp
-	21, // 8: common.v2.PersistentCachePeer.cost:type_name -> google.protobuf.Duration
+	23, // 6: common.v2.Peer.created_at:type_name -> google.protobuf.Timestamp
+	23, // 7: common.v2.Peer.updated_at:type_name -> google.protobuf.Timestamp
+	22, // 8: common.v2.PersistentCachePeer.cost:type_name -> google.protobuf.Duration
 	7,  // 9: common.v2.PersistentCachePeer.task:type_name -> common.v2.PersistentCacheTask
 	8,  // 10: common.v2.PersistentCachePeer.host:type_name -> common.v2.Host
-	22, // 11: common.v2.PersistentCachePeer.created_at:type_name -> google.protobuf.Timestamp
-	22, // 12: common.v2.PersistentCachePeer.updated_at:type_name -> google.protobuf.Timestamp
+	23, // 11: common.v2.PersistentCachePeer.created_at:type_name -> google.protobuf.Timestamp
+	23, // 12: common.v2.PersistentCachePeer.updated_at:type_name -> google.protobuf.Timestamp
 	1,  // 13: common.v2.Task.type:type_name -> common.v2.TaskType
-	19, // 14: common.v2.Task.request_header:type_name -> common.v2.Task.RequestHeaderEntry
+	20, // 14: common.v2.Task.request_header:type_name -> common.v2.Task.RequestHeaderEntry
 	0,  // 15: common.v2.Task.size_scope:type_name -> common.v2.SizeScope
-	18, // 16: common.v2.Task.pieces:type_name -> common.v2.Piece
-	22, // 17: common.v2.Task.created_at:type_name -> google.protobuf.Timestamp
-	22, // 18: common.v2.Task.updated_at:type_name -> google.protobuf.Timestamp
-	22, // 19: common.v2.PersistentCacheTask.created_at:type_name -> google.protobuf.Timestamp
-	22, // 20: common.v2.PersistentCacheTask.updated_at:type_name -> google.protobuf.Timestamp
+	19, // 16: common.v2.Task.pieces:type_name -> common.v2.Piece
+	23, // 17: common.v2.Task.created_at:type_name -> google.protobuf.Timestamp
+	23, // 18: common.v2.Task.updated_at:type_name -> google.protobuf.Timestamp
+	23, // 19: common.v2.PersistentCacheTask.created_at:type_name -> google.protobuf.Timestamp
+	23, // 20: common.v2.PersistentCacheTask.updated_at:type_name -> google.protobuf.Timestamp
 	9,  // 21: common.v2.Host.cpu:type_name -> common.v2.CPU
 	11, // 22: common.v2.Host.memory:type_name -> common.v2.Memory
 	12, // 23: common.v2.Host.network:type_name -> common.v2.Network
 	13, // 24: common.v2.Host.disk:type_name -> common.v2.Disk
 	14, // 25: common.v2.Host.build:type_name -> common.v2.Build
 	10, // 26: common.v2.CPU.times:type_name -> common.v2.CPUTimes
-	17, // 27: common.v2.Download.range:type_name -> common.v2.Range
+	18, // 27: common.v2.Download.range:type_name -> common.v2.Range
 	1,  // 28: common.v2.Download.type:type_name -> common.v2.TaskType
 	3,  // 29: common.v2.Download.priority:type_name -> common.v2.Priority
-	20, // 30: common.v2.Download.request_header:type_name -> common.v2.Download.RequestHeaderEntry
-	21, // 31: common.v2.Download.timeout:type_name -> google.protobuf.Duration
+	21, // 30: common.v2.Download.request_header:type_name -> common.v2.Download.RequestHeaderEntry
+	22, // 31: common.v2.Download.timeout:type_name -> google.protobuf.Duration
 	16, // 32: common.v2.Download.object_storage:type_name -> common.v2.ObjectStorage
-	2,  // 33: common.v2.Piece.traffic_type:type_name -> common.v2.TrafficType
-	21, // 34: common.v2.Piece.cost:type_name -> google.protobuf.Duration
-	22, // 35: common.v2.Piece.created_at:type_name -> google.protobuf.Timestamp
-	36, // [36:36] is the sub-list for method output_type
-	36, // [36:36] 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
+	17, // 33: common.v2.Download.hdfs:type_name -> common.v2.HDFS
+	2,  // 34: common.v2.Piece.traffic_type:type_name -> common.v2.TrafficType
+	22, // 35: common.v2.Piece.cost:type_name -> google.protobuf.Duration
+	23, // 36: common.v2.Piece.created_at:type_name -> google.protobuf.Timestamp
+	37, // [37:37] is the sub-list for method output_type
+	37, // [37:37] is the sub-list for method input_type
+	37, // [37:37] is the sub-list for extension type_name
+	37, // [37:37] is the sub-list for extension extendee
+	0,  // [0:37] is the sub-list for field type_name
 }
 
 func init() { file_pkg_apis_common_v2_common_proto_init() }
@@ -2979,7 +3048,7 @@ func file_pkg_apis_common_v2_common_proto_init() {
 			}
 		}
 		file_pkg_apis_common_v2_common_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Range); i {
+			switch v := v.(*HDFS); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -2991,6 +3060,18 @@ func file_pkg_apis_common_v2_common_proto_init() {
 			}
 		}
 		file_pkg_apis_common_v2_common_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Range); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_pkg_apis_common_v2_common_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Piece); i {
 			case 0:
 				return &v.state
@@ -3012,14 +3093,15 @@ func file_pkg_apis_common_v2_common_proto_init() {
 	file_pkg_apis_common_v2_common_proto_msgTypes[10].OneofWrappers = []interface{}{}
 	file_pkg_apis_common_v2_common_proto_msgTypes[11].OneofWrappers = []interface{}{}
 	file_pkg_apis_common_v2_common_proto_msgTypes[12].OneofWrappers = []interface{}{}
-	file_pkg_apis_common_v2_common_proto_msgTypes[14].OneofWrappers = []interface{}{}
+	file_pkg_apis_common_v2_common_proto_msgTypes[13].OneofWrappers = []interface{}{}
+	file_pkg_apis_common_v2_common_proto_msgTypes[15].OneofWrappers = []interface{}{}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_pkg_apis_common_v2_common_proto_rawDesc,
 			NumEnums:      4,
-			NumMessages:   17,
+			NumMessages:   18,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
diff --git a/pkg/apis/common/v2/common.pb.validate.go b/pkg/apis/common/v2/common.pb.validate.go
index b077ee9..23b5d78 100644
--- a/pkg/apis/common/v2/common.pb.validate.go
+++ b/pkg/apis/common/v2/common.pb.validate.go
@@ -2514,6 +2514,39 @@ func (m *Download) validate(all bool) error {
 
 	}
 
+	if m.Hdfs != nil {
+
+		if all {
+			switch v := interface{}(m.GetHdfs()).(type) {
+			case interface{ ValidateAll() error }:
+				if err := v.ValidateAll(); err != nil {
+					errors = append(errors, DownloadValidationError{
+						field:  "Hdfs",
+						reason: "embedded message failed validation",
+						cause:  err,
+					})
+				}
+			case interface{ Validate() error }:
+				if err := v.Validate(); err != nil {
+					errors = append(errors, DownloadValidationError{
+						field:  "Hdfs",
+						reason: "embedded message failed validation",
+						cause:  err,
+					})
+				}
+			}
+		} else if v, ok := interface{}(m.GetHdfs()).(interface{ Validate() error }); ok {
+			if err := v.Validate(); err != nil {
+				return DownloadValidationError{
+					field:  "Hdfs",
+					reason: "embedded message failed validation",
+					cause:  err,
+				}
+			}
+		}
+
+	}
+
 	if len(errors) > 0 {
 		return DownloadMultiError(errors)
 	}
@@ -2818,6 +2851,123 @@ var _ interface {
 	ErrorName() string
 } = ObjectStorageValidationError{}
 
+// Validate checks the field values on HDFS 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 *HDFS) Validate() error {
+	return m.validate(false)
+}
+
+// ValidateAll checks the field values on HDFS 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 HDFSMultiError, or nil if none found.
+func (m *HDFS) ValidateAll() error {
+	return m.validate(true)
+}
+
+func (m *HDFS) validate(all bool) error {
+	if m == nil {
+		return nil
+	}
+
+	var errors []error
+
+	if m.DelegationToken != nil {
+
+		if m.GetDelegationToken() != "" {
+
+			if utf8.RuneCountInString(m.GetDelegationToken()) < 1 {
+				err := HDFSValidationError{
+					field:  "DelegationToken",
+					reason: "value length must be at least 1 runes",
+				}
+				if !all {
+					return err
+				}
+				errors = append(errors, err)
+			}
+
+		}
+
+	}
+
+	if len(errors) > 0 {
+		return HDFSMultiError(errors)
+	}
+
+	return nil
+}
+
+// HDFSMultiError is an error wrapping multiple validation errors returned by
+// HDFS.ValidateAll() if the designated constraints aren't met.
+type HDFSMultiError []error
+
+// Error returns a concatenation of all the error messages it wraps.
+func (m HDFSMultiError) 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 HDFSMultiError) AllErrors() []error { return m }
+
+// HDFSValidationError is the validation error returned by HDFS.Validate if the
+// designated constraints aren't met.
+type HDFSValidationError struct {
+	field  string
+	reason string
+	cause  error
+	key    bool
+}
+
+// Field function returns field value.
+func (e HDFSValidationError) Field() string { return e.field }
+
+// Reason function returns reason value.
+func (e HDFSValidationError) Reason() string { return e.reason }
+
+// Cause function returns cause value.
+func (e HDFSValidationError) Cause() error { return e.cause }
+
+// Key function returns key value.
+func (e HDFSValidationError) Key() bool { return e.key }
+
+// ErrorName returns error name.
+func (e HDFSValidationError) ErrorName() string { return "HDFSValidationError" }
+
+// Error satisfies the builtin error interface
+func (e HDFSValidationError) 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 %sHDFS.%s: %s%s",
+		key,
+		e.field,
+		e.reason,
+		cause)
+}
+
+var _ error = HDFSValidationError{}
+
+var _ interface {
+	Field() string
+	Reason() string
+	Key() bool
+	Cause() error
+	ErrorName() string
+} = HDFSValidationError{}
+
 // Validate checks the field values on Range 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.
diff --git a/pkg/apis/common/v2/common.proto b/pkg/apis/common/v2/common.proto
index 81a6fd1..850de4e 100644
--- a/pkg/apis/common/v2/common.proto
+++ b/pkg/apis/common/v2/common.proto
@@ -431,6 +431,8 @@ message Download {
   bool prefetch = 16;
   // Object Storage related information.
   optional ObjectStorage object_storage = 17;
+  // HDFS related information.
+  optional HDFS hdfs = 18;
 }
 
 // Object Storage related information.
@@ -451,6 +453,12 @@ message ObjectStorage {
   optional string predefined_acl = 7 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
 }
 
+// HDFS related information.
+message HDFS {
+  // Delegation token for Web HDFS operator.
+  optional string delegation_token = 1 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+}
+
 // Range represents download range.
 message Range {
   // Start of range.
diff --git a/proto/common.proto b/proto/common.proto
index 169dc20..2d4fda0 100644
--- a/proto/common.proto
+++ b/proto/common.proto
@@ -427,6 +427,8 @@ message Download {
   bool prefetch = 16;
   // Object Storage related information.
   optional ObjectStorage object_storage = 17;
+  // HDFS related information.
+  optional HDFS hdfs = 18;
 }
 
 // Object Storage related information.
@@ -447,6 +449,12 @@ message ObjectStorage {
   optional string predefined_acl = 7;
 }
 
+// HDFS related information.
+message HDFS {
+  // Delegation token for Web HDFS operator.
+  optional string delegation_token = 1;
+}
+
 // Range represents download range.
 message Range {
   // Start of range.
diff --git a/src/common.v2.rs b/src/common.v2.rs
index 4f63614..9f41d4b 100644
--- a/src/common.v2.rs
+++ b/src/common.v2.rs
@@ -479,6 +479,9 @@ pub struct Download {
     /// Object Storage related information.
     #[prost(message, optional, tag = "17")]
     pub object_storage: ::core::option::Option<ObjectStorage>,
+    /// HDFS related information.
+    #[prost(message, optional, tag = "18")]
+    pub hdfs: ::core::option::Option<Hdfs>,
 }
 /// Object Storage related information.
 #[derive(serde::Serialize, serde::Deserialize)]
@@ -507,6 +510,15 @@ pub struct ObjectStorage {
     #[prost(string, optional, tag = "7")]
     pub predefined_acl: ::core::option::Option<::prost::alloc::string::String>,
 }
+/// HDFS related information.
+#[derive(serde::Serialize, serde::Deserialize)]
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Hdfs {
+    /// Delegation token for Web HDFS operator.
+    #[prost(string, optional, tag = "1")]
+    pub delegation_token: ::core::option::Option<::prost::alloc::string::String>,
+}
 /// Range represents download range.
 #[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
diff --git a/src/descriptor.bin b/src/descriptor.bin
index 6324596..4eedcfd 100644
Binary files a/src/descriptor.bin and b/src/descriptor.bin differ