From 0b9cffaf8752e180291a4cc013d21ee88443b73e Mon Sep 17 00:00:00 2001
From: sunby <bingyi.sun@zilliz.com>
Date: Wed, 23 Dec 2020 11:34:35 +0800
Subject: [PATCH] Remove index_name in IndexRequest and remove indexType in
 FieldIndexMeta

Signed-off-by: sunby <bingyi.sun@zilliz.com>
---
 internal/core/src/pb/etcd_meta.pb.cc         | 169 +++-----
 internal/core/src/pb/etcd_meta.pb.h          |  88 +---
 internal/core/src/pb/service_msg.pb.cc       | 161 +++----
 internal/core/src/pb/service_msg.pb.h        |  82 +---
 internal/master/meta_table.go                |  10 +-
 internal/master/meta_table_test.go           |  12 +-
 internal/proto/etcd_meta.proto               |   9 +-
 internal/proto/etcdpb/etcd_meta.pb.go        | 109 +++--
 internal/proto/internal_msg.proto            |   9 +-
 internal/proto/internalpb/internal_msg.pb.go | 260 ++++++------
 internal/proto/service_msg.proto             |   7 +-
 internal/proto/servicepb/service_msg.pb.go   | 123 +++---
 internal/proxy/grpc_service.go               |   2 -
 internal/storage/data_codec.go               | 420 +++++++++++--------
 internal/storage/data_codec_test.go          | 145 ++++++-
 15 files changed, 728 insertions(+), 878 deletions(-)

diff --git a/internal/core/src/pb/etcd_meta.pb.cc b/internal/core/src/pb/etcd_meta.pb.cc
index 23971f307..67a3c9130 100644
--- a/internal/core/src/pb/etcd_meta.pb.cc
+++ b/internal/core/src/pb/etcd_meta.pb.cc
@@ -198,7 +198,6 @@ const ::PROTOBUF_NAMESPACE_ID::uint32 TableStruct_etcd_5fmeta_2eproto::offsets[]
   ~0u,  // no _weak_field_map_
   PROTOBUF_FIELD_OFFSET(::milvus::proto::etcd::FieldIndexMeta, segmentid_),
   PROTOBUF_FIELD_OFFSET(::milvus::proto::etcd::FieldIndexMeta, fieldid_),
-  PROTOBUF_FIELD_OFFSET(::milvus::proto::etcd::FieldIndexMeta, index_type_),
   PROTOBUF_FIELD_OFFSET(::milvus::proto::etcd::FieldIndexMeta, indexid_),
   PROTOBUF_FIELD_OFFSET(::milvus::proto::etcd::FieldIndexMeta, index_params_),
   PROTOBUF_FIELD_OFFSET(::milvus::proto::etcd::FieldIndexMeta, status_),
@@ -242,14 +241,13 @@ const char descriptor_table_protodef_etcd_5fmeta_2eproto[] PROTOBUF_SECTION_VARI
   "\022\022\n\nclose_time\030\007 \001(\004\022\020\n\010num_rows\030\010 \001(\003\022\020"
   "\n\010mem_size\030\t \001(\003\022>\n\021binlog_file_paths\030\n "
   "\003(\0132#.milvus.proto.etcd.FieldBinlogFiles"
-  "\"\337\001\n\016FieldIndexMeta\022\021\n\tsegmentID\030\001 \001(\003\022\017"
-  "\n\007fieldID\030\002 \001(\003\022\022\n\nindex_type\030\003 \001(\t\022\017\n\007i"
-  "ndexID\030\004 \001(\003\0227\n\014index_params\030\005 \003(\0132!.mil"
-  "vus.proto.common.KeyValuePair\0221\n\006status\030"
-  "\006 \001(\0162!.milvus.proto.service.IndexStatus"
-  "\022\030\n\020index_file_paths\030\007 \003(\tB@Z>github.com"
-  "/zilliztech/milvus-distributed/internal/"
-  "proto/etcdpbb\006proto3"
+  "\"\313\001\n\016FieldIndexMeta\022\021\n\tsegmentID\030\001 \001(\003\022\017"
+  "\n\007fieldID\030\002 \001(\003\022\017\n\007indexID\030\003 \001(\003\0227\n\014inde"
+  "x_params\030\004 \003(\0132!.milvus.proto.common.Key"
+  "ValuePair\0221\n\006status\030\005 \001(\0162!.milvus.proto"
+  ".service.IndexStatus\022\030\n\020index_file_paths"
+  "\030\006 \003(\tB@Z>github.com/zilliztech/milvus-d"
+  "istributed/internal/proto/etcdpbb\006proto3"
   ;
 static const ::PROTOBUF_NAMESPACE_ID::internal::DescriptorTable*const descriptor_table_etcd_5fmeta_2eproto_deps[3] = {
   &::descriptor_table_common_2eproto,
@@ -267,7 +265,7 @@ static ::PROTOBUF_NAMESPACE_ID::internal::SCCInfoBase*const descriptor_table_etc
 static ::PROTOBUF_NAMESPACE_ID::internal::once_flag descriptor_table_etcd_5fmeta_2eproto_once;
 static bool descriptor_table_etcd_5fmeta_2eproto_initialized = false;
 const ::PROTOBUF_NAMESPACE_ID::internal::DescriptorTable descriptor_table_etcd_5fmeta_2eproto = {
-  &descriptor_table_etcd_5fmeta_2eproto_initialized, descriptor_table_protodef_etcd_5fmeta_2eproto, "etcd_meta.proto", 1060,
+  &descriptor_table_etcd_5fmeta_2eproto_initialized, descriptor_table_protodef_etcd_5fmeta_2eproto, "etcd_meta.proto", 1040,
   &descriptor_table_etcd_5fmeta_2eproto_once, descriptor_table_etcd_5fmeta_2eproto_sccs, descriptor_table_etcd_5fmeta_2eproto_deps, 6, 3,
   schemas, file_default_instances, TableStruct_etcd_5fmeta_2eproto::offsets,
   file_level_metadata_etcd_5fmeta_2eproto, 6, file_level_enum_descriptors_etcd_5fmeta_2eproto, file_level_service_descriptors_etcd_5fmeta_2eproto,
@@ -2560,10 +2558,6 @@ FieldIndexMeta::FieldIndexMeta(const FieldIndexMeta& from)
       index_params_(from.index_params_),
       index_file_paths_(from.index_file_paths_) {
   _internal_metadata_.MergeFrom(from._internal_metadata_);
-  index_type_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-  if (!from.index_type().empty()) {
-    index_type_.AssignWithDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), from.index_type_);
-  }
   ::memcpy(&segmentid_, &from.segmentid_,
     static_cast<size_t>(reinterpret_cast<char*>(&status_) -
     reinterpret_cast<char*>(&segmentid_)) + sizeof(status_));
@@ -2572,7 +2566,6 @@ FieldIndexMeta::FieldIndexMeta(const FieldIndexMeta& from)
 
 void FieldIndexMeta::SharedCtor() {
   ::PROTOBUF_NAMESPACE_ID::internal::InitSCC(&scc_info_FieldIndexMeta_etcd_5fmeta_2eproto.base);
-  index_type_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
   ::memset(&segmentid_, 0, static_cast<size_t>(
       reinterpret_cast<char*>(&status_) -
       reinterpret_cast<char*>(&segmentid_)) + sizeof(status_));
@@ -2584,7 +2577,6 @@ FieldIndexMeta::~FieldIndexMeta() {
 }
 
 void FieldIndexMeta::SharedDtor() {
-  index_type_.DestroyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
 }
 
 void FieldIndexMeta::SetCachedSize(int size) const {
@@ -2604,7 +2596,6 @@ void FieldIndexMeta::Clear() {
 
   index_params_.Clear();
   index_file_paths_.Clear();
-  index_type_.ClearToEmptyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
   ::memset(&segmentid_, 0, static_cast<size_t>(
       reinterpret_cast<char*>(&status_) -
       reinterpret_cast<char*>(&segmentid_)) + sizeof(status_));
@@ -2633,50 +2624,43 @@ const char* FieldIndexMeta::_InternalParse(const char* ptr, ::PROTOBUF_NAMESPACE
           CHK_(ptr);
         } else goto handle_unusual;
         continue;
-      // string index_type = 3;
+      // int64 indexID = 3;
       case 3:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 26)) {
-          ptr = ::PROTOBUF_NAMESPACE_ID::internal::InlineGreedyStringParserUTF8(mutable_index_type(), ptr, ctx, "milvus.proto.etcd.FieldIndexMeta.index_type");
-          CHK_(ptr);
-        } else goto handle_unusual;
-        continue;
-      // int64 indexID = 4;
-      case 4:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 32)) {
+        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 24)) {
           indexid_ = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint(&ptr);
           CHK_(ptr);
         } else goto handle_unusual;
         continue;
-      // repeated .milvus.proto.common.KeyValuePair index_params = 5;
-      case 5:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 42)) {
+      // repeated .milvus.proto.common.KeyValuePair index_params = 4;
+      case 4:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 34)) {
           ptr -= 1;
           do {
             ptr += 1;
             ptr = ctx->ParseMessage(add_index_params(), ptr);
             CHK_(ptr);
             if (!ctx->DataAvailable(ptr)) break;
-          } while (::PROTOBUF_NAMESPACE_ID::internal::UnalignedLoad<::PROTOBUF_NAMESPACE_ID::uint8>(ptr) == 42);
+          } while (::PROTOBUF_NAMESPACE_ID::internal::UnalignedLoad<::PROTOBUF_NAMESPACE_ID::uint8>(ptr) == 34);
         } else goto handle_unusual;
         continue;
-      // .milvus.proto.service.IndexStatus status = 6;
-      case 6:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 48)) {
+      // .milvus.proto.service.IndexStatus status = 5;
+      case 5:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 40)) {
           ::PROTOBUF_NAMESPACE_ID::uint64 val = ::PROTOBUF_NAMESPACE_ID::internal::ReadVarint(&ptr);
           CHK_(ptr);
           set_status(static_cast<::milvus::proto::service::IndexStatus>(val));
         } else goto handle_unusual;
         continue;
-      // repeated string index_file_paths = 7;
-      case 7:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 58)) {
+      // repeated string index_file_paths = 6;
+      case 6:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 50)) {
           ptr -= 1;
           do {
             ptr += 1;
             ptr = ::PROTOBUF_NAMESPACE_ID::internal::InlineGreedyStringParserUTF8(add_index_file_paths(), ptr, ctx, "milvus.proto.etcd.FieldIndexMeta.index_file_paths");
             CHK_(ptr);
             if (!ctx->DataAvailable(ptr)) break;
-          } while (::PROTOBUF_NAMESPACE_ID::internal::UnalignedLoad<::PROTOBUF_NAMESPACE_ID::uint8>(ptr) == 58);
+          } while (::PROTOBUF_NAMESPACE_ID::internal::UnalignedLoad<::PROTOBUF_NAMESPACE_ID::uint8>(ptr) == 50);
         } else goto handle_unusual;
         continue;
       default: {
@@ -2735,24 +2719,9 @@ bool FieldIndexMeta::MergePartialFromCodedStream(
         break;
       }
 
-      // string index_type = 3;
+      // int64 indexID = 3;
       case 3: {
-        if (static_cast< ::PROTOBUF_NAMESPACE_ID::uint8>(tag) == (26 & 0xFF)) {
-          DO_(::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::ReadString(
-                input, this->mutable_index_type()));
-          DO_(::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
-            this->index_type().data(), static_cast<int>(this->index_type().length()),
-            ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::PARSE,
-            "milvus.proto.etcd.FieldIndexMeta.index_type"));
-        } else {
-          goto handle_unusual;
-        }
-        break;
-      }
-
-      // int64 indexID = 4;
-      case 4: {
-        if (static_cast< ::PROTOBUF_NAMESPACE_ID::uint8>(tag) == (32 & 0xFF)) {
+        if (static_cast< ::PROTOBUF_NAMESPACE_ID::uint8>(tag) == (24 & 0xFF)) {
 
           DO_((::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::ReadPrimitive<
                    ::PROTOBUF_NAMESPACE_ID::int64, ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::TYPE_INT64>(
@@ -2763,9 +2732,9 @@ bool FieldIndexMeta::MergePartialFromCodedStream(
         break;
       }
 
-      // repeated .milvus.proto.common.KeyValuePair index_params = 5;
-      case 5: {
-        if (static_cast< ::PROTOBUF_NAMESPACE_ID::uint8>(tag) == (42 & 0xFF)) {
+      // repeated .milvus.proto.common.KeyValuePair index_params = 4;
+      case 4: {
+        if (static_cast< ::PROTOBUF_NAMESPACE_ID::uint8>(tag) == (34 & 0xFF)) {
           DO_(::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::ReadMessage(
                 input, add_index_params()));
         } else {
@@ -2774,9 +2743,9 @@ bool FieldIndexMeta::MergePartialFromCodedStream(
         break;
       }
 
-      // .milvus.proto.service.IndexStatus status = 6;
-      case 6: {
-        if (static_cast< ::PROTOBUF_NAMESPACE_ID::uint8>(tag) == (48 & 0xFF)) {
+      // .milvus.proto.service.IndexStatus status = 5;
+      case 5: {
+        if (static_cast< ::PROTOBUF_NAMESPACE_ID::uint8>(tag) == (40 & 0xFF)) {
           int value = 0;
           DO_((::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::ReadPrimitive<
                    int, ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::TYPE_ENUM>(
@@ -2788,9 +2757,9 @@ bool FieldIndexMeta::MergePartialFromCodedStream(
         break;
       }
 
-      // repeated string index_file_paths = 7;
-      case 7: {
-        if (static_cast< ::PROTOBUF_NAMESPACE_ID::uint8>(tag) == (58 & 0xFF)) {
+      // repeated string index_file_paths = 6;
+      case 6: {
+        if (static_cast< ::PROTOBUF_NAMESPACE_ID::uint8>(tag) == (50 & 0xFF)) {
           DO_(::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::ReadString(
                 input, this->add_index_file_paths()));
           DO_(::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
@@ -2841,44 +2810,34 @@ void FieldIndexMeta::SerializeWithCachedSizes(
     ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteInt64(2, this->fieldid(), output);
   }
 
-  // string index_type = 3;
-  if (this->index_type().size() > 0) {
-    ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
-      this->index_type().data(), static_cast<int>(this->index_type().length()),
-      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::SERIALIZE,
-      "milvus.proto.etcd.FieldIndexMeta.index_type");
-    ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteStringMaybeAliased(
-      3, this->index_type(), output);
-  }
-
-  // int64 indexID = 4;
+  // int64 indexID = 3;
   if (this->indexid() != 0) {
-    ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteInt64(4, this->indexid(), output);
+    ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteInt64(3, this->indexid(), output);
   }
 
-  // repeated .milvus.proto.common.KeyValuePair index_params = 5;
+  // repeated .milvus.proto.common.KeyValuePair index_params = 4;
   for (unsigned int i = 0,
       n = static_cast<unsigned int>(this->index_params_size()); i < n; i++) {
     ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteMessageMaybeToArray(
-      5,
+      4,
       this->index_params(static_cast<int>(i)),
       output);
   }
 
-  // .milvus.proto.service.IndexStatus status = 6;
+  // .milvus.proto.service.IndexStatus status = 5;
   if (this->status() != 0) {
     ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteEnum(
-      6, this->status(), output);
+      5, this->status(), output);
   }
 
-  // repeated string index_file_paths = 7;
+  // repeated string index_file_paths = 6;
   for (int i = 0, n = this->index_file_paths_size(); i < n; i++) {
     ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
       this->index_file_paths(i).data(), static_cast<int>(this->index_file_paths(i).length()),
       ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::SERIALIZE,
       "milvus.proto.etcd.FieldIndexMeta.index_file_paths");
     ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteString(
-      7, this->index_file_paths(i), output);
+      6, this->index_file_paths(i), output);
   }
 
   if (_internal_metadata_.have_unknown_fields()) {
@@ -2904,44 +2863,33 @@ void FieldIndexMeta::SerializeWithCachedSizes(
     target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteInt64ToArray(2, this->fieldid(), target);
   }
 
-  // string index_type = 3;
-  if (this->index_type().size() > 0) {
-    ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
-      this->index_type().data(), static_cast<int>(this->index_type().length()),
-      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::SERIALIZE,
-      "milvus.proto.etcd.FieldIndexMeta.index_type");
-    target =
-      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteStringToArray(
-        3, this->index_type(), target);
-  }
-
-  // int64 indexID = 4;
+  // int64 indexID = 3;
   if (this->indexid() != 0) {
-    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteInt64ToArray(4, this->indexid(), target);
+    target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteInt64ToArray(3, this->indexid(), target);
   }
 
-  // repeated .milvus.proto.common.KeyValuePair index_params = 5;
+  // repeated .milvus.proto.common.KeyValuePair index_params = 4;
   for (unsigned int i = 0,
       n = static_cast<unsigned int>(this->index_params_size()); i < n; i++) {
     target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
       InternalWriteMessageToArray(
-        5, this->index_params(static_cast<int>(i)), target);
+        4, this->index_params(static_cast<int>(i)), target);
   }
 
-  // .milvus.proto.service.IndexStatus status = 6;
+  // .milvus.proto.service.IndexStatus status = 5;
   if (this->status() != 0) {
     target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteEnumToArray(
-      6, this->status(), target);
+      5, this->status(), target);
   }
 
-  // repeated string index_file_paths = 7;
+  // repeated string index_file_paths = 6;
   for (int i = 0, n = this->index_file_paths_size(); i < n; i++) {
     ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
       this->index_file_paths(i).data(), static_cast<int>(this->index_file_paths(i).length()),
       ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::SERIALIZE,
       "milvus.proto.etcd.FieldIndexMeta.index_file_paths");
     target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
-      WriteStringToArray(7, this->index_file_paths(i), target);
+      WriteStringToArray(6, this->index_file_paths(i), target);
   }
 
   if (_internal_metadata_.have_unknown_fields()) {
@@ -2965,7 +2913,7 @@ size_t FieldIndexMeta::ByteSizeLong() const {
   // Prevent compiler warnings about cached_has_bits being unused
   (void) cached_has_bits;
 
-  // repeated .milvus.proto.common.KeyValuePair index_params = 5;
+  // repeated .milvus.proto.common.KeyValuePair index_params = 4;
   {
     unsigned int count = static_cast<unsigned int>(this->index_params_size());
     total_size += 1UL * count;
@@ -2976,7 +2924,7 @@ size_t FieldIndexMeta::ByteSizeLong() const {
     }
   }
 
-  // repeated string index_file_paths = 7;
+  // repeated string index_file_paths = 6;
   total_size += 1 *
       ::PROTOBUF_NAMESPACE_ID::internal::FromIntSize(this->index_file_paths_size());
   for (int i = 0, n = this->index_file_paths_size(); i < n; i++) {
@@ -2984,13 +2932,6 @@ size_t FieldIndexMeta::ByteSizeLong() const {
       this->index_file_paths(i));
   }
 
-  // string index_type = 3;
-  if (this->index_type().size() > 0) {
-    total_size += 1 +
-      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::StringSize(
-        this->index_type());
-  }
-
   // int64 segmentID = 1;
   if (this->segmentid() != 0) {
     total_size += 1 +
@@ -3005,14 +2946,14 @@ size_t FieldIndexMeta::ByteSizeLong() const {
         this->fieldid());
   }
 
-  // int64 indexID = 4;
+  // int64 indexID = 3;
   if (this->indexid() != 0) {
     total_size += 1 +
       ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::Int64Size(
         this->indexid());
   }
 
-  // .milvus.proto.service.IndexStatus status = 6;
+  // .milvus.proto.service.IndexStatus status = 5;
   if (this->status() != 0) {
     total_size += 1 +
       ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::EnumSize(this->status());
@@ -3047,10 +2988,6 @@ void FieldIndexMeta::MergeFrom(const FieldIndexMeta& from) {
 
   index_params_.MergeFrom(from.index_params_);
   index_file_paths_.MergeFrom(from.index_file_paths_);
-  if (from.index_type().size() > 0) {
-
-    index_type_.AssignWithDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), from.index_type_);
-  }
   if (from.segmentid() != 0) {
     set_segmentid(from.segmentid());
   }
@@ -3088,8 +3025,6 @@ void FieldIndexMeta::InternalSwap(FieldIndexMeta* other) {
   _internal_metadata_.Swap(&other->_internal_metadata_);
   CastToBase(&index_params_)->InternalSwap(CastToBase(&other->index_params_));
   index_file_paths_.InternalSwap(CastToBase(&other->index_file_paths_));
-  index_type_.Swap(&other->index_type_, &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(),
-    GetArenaNoVirtual());
   swap(segmentid_, other->segmentid_);
   swap(fieldid_, other->fieldid_);
   swap(indexid_, other->indexid_);
diff --git a/internal/core/src/pb/etcd_meta.pb.h b/internal/core/src/pb/etcd_meta.pb.h
index 678e5eb89..4766de8af 100644
--- a/internal/core/src/pb/etcd_meta.pb.h
+++ b/internal/core/src/pb/etcd_meta.pb.h
@@ -1075,15 +1075,14 @@ class FieldIndexMeta :
   // accessors -------------------------------------------------------
 
   enum : int {
-    kIndexParamsFieldNumber = 5,
-    kIndexFilePathsFieldNumber = 7,
-    kIndexTypeFieldNumber = 3,
+    kIndexParamsFieldNumber = 4,
+    kIndexFilePathsFieldNumber = 6,
     kSegmentIDFieldNumber = 1,
     kFieldIDFieldNumber = 2,
-    kIndexIDFieldNumber = 4,
-    kStatusFieldNumber = 6,
+    kIndexIDFieldNumber = 3,
+    kStatusFieldNumber = 5,
   };
-  // repeated .milvus.proto.common.KeyValuePair index_params = 5;
+  // repeated .milvus.proto.common.KeyValuePair index_params = 4;
   int index_params_size() const;
   void clear_index_params();
   ::milvus::proto::common::KeyValuePair* mutable_index_params(int index);
@@ -1094,7 +1093,7 @@ class FieldIndexMeta :
   const ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::milvus::proto::common::KeyValuePair >&
       index_params() const;
 
-  // repeated string index_file_paths = 7;
+  // repeated string index_file_paths = 6;
   int index_file_paths_size() const;
   void clear_index_file_paths();
   const std::string& index_file_paths(int index) const;
@@ -1111,17 +1110,6 @@ class FieldIndexMeta :
   const ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField<std::string>& index_file_paths() const;
   ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField<std::string>* mutable_index_file_paths();
 
-  // string index_type = 3;
-  void clear_index_type();
-  const std::string& index_type() const;
-  void set_index_type(const std::string& value);
-  void set_index_type(std::string&& value);
-  void set_index_type(const char* value);
-  void set_index_type(const char* value, size_t size);
-  std::string* mutable_index_type();
-  std::string* release_index_type();
-  void set_allocated_index_type(std::string* index_type);
-
   // int64 segmentID = 1;
   void clear_segmentid();
   ::PROTOBUF_NAMESPACE_ID::int64 segmentid() const;
@@ -1132,12 +1120,12 @@ class FieldIndexMeta :
   ::PROTOBUF_NAMESPACE_ID::int64 fieldid() const;
   void set_fieldid(::PROTOBUF_NAMESPACE_ID::int64 value);
 
-  // int64 indexID = 4;
+  // int64 indexID = 3;
   void clear_indexid();
   ::PROTOBUF_NAMESPACE_ID::int64 indexid() const;
   void set_indexid(::PROTOBUF_NAMESPACE_ID::int64 value);
 
-  // .milvus.proto.service.IndexStatus status = 6;
+  // .milvus.proto.service.IndexStatus status = 5;
   void clear_status();
   ::milvus::proto::service::IndexStatus status() const;
   void set_status(::milvus::proto::service::IndexStatus value);
@@ -1149,7 +1137,6 @@ class FieldIndexMeta :
   ::PROTOBUF_NAMESPACE_ID::internal::InternalMetadataWithArena _internal_metadata_;
   ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::milvus::proto::common::KeyValuePair > index_params_;
   ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField<std::string> index_file_paths_;
-  ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr index_type_;
   ::PROTOBUF_NAMESPACE_ID::int64 segmentid_;
   ::PROTOBUF_NAMESPACE_ID::int64 fieldid_;
   ::PROTOBUF_NAMESPACE_ID::int64 indexid_;
@@ -1924,58 +1911,7 @@ inline void FieldIndexMeta::set_fieldid(::PROTOBUF_NAMESPACE_ID::int64 value) {
   // @@protoc_insertion_point(field_set:milvus.proto.etcd.FieldIndexMeta.fieldID)
 }
 
-// string index_type = 3;
-inline void FieldIndexMeta::clear_index_type() {
-  index_type_.ClearToEmptyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-}
-inline const std::string& FieldIndexMeta::index_type() const {
-  // @@protoc_insertion_point(field_get:milvus.proto.etcd.FieldIndexMeta.index_type)
-  return index_type_.GetNoArena();
-}
-inline void FieldIndexMeta::set_index_type(const std::string& value) {
-  
-  index_type_.SetNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), value);
-  // @@protoc_insertion_point(field_set:milvus.proto.etcd.FieldIndexMeta.index_type)
-}
-inline void FieldIndexMeta::set_index_type(std::string&& value) {
-  
-  index_type_.SetNoArena(
-    &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), ::std::move(value));
-  // @@protoc_insertion_point(field_set_rvalue:milvus.proto.etcd.FieldIndexMeta.index_type)
-}
-inline void FieldIndexMeta::set_index_type(const char* value) {
-  GOOGLE_DCHECK(value != nullptr);
-  
-  index_type_.SetNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), ::std::string(value));
-  // @@protoc_insertion_point(field_set_char:milvus.proto.etcd.FieldIndexMeta.index_type)
-}
-inline void FieldIndexMeta::set_index_type(const char* value, size_t size) {
-  
-  index_type_.SetNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(),
-      ::std::string(reinterpret_cast<const char*>(value), size));
-  // @@protoc_insertion_point(field_set_pointer:milvus.proto.etcd.FieldIndexMeta.index_type)
-}
-inline std::string* FieldIndexMeta::mutable_index_type() {
-  
-  // @@protoc_insertion_point(field_mutable:milvus.proto.etcd.FieldIndexMeta.index_type)
-  return index_type_.MutableNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-}
-inline std::string* FieldIndexMeta::release_index_type() {
-  // @@protoc_insertion_point(field_release:milvus.proto.etcd.FieldIndexMeta.index_type)
-  
-  return index_type_.ReleaseNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-}
-inline void FieldIndexMeta::set_allocated_index_type(std::string* index_type) {
-  if (index_type != nullptr) {
-    
-  } else {
-    
-  }
-  index_type_.SetAllocatedNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), index_type);
-  // @@protoc_insertion_point(field_set_allocated:milvus.proto.etcd.FieldIndexMeta.index_type)
-}
-
-// int64 indexID = 4;
+// int64 indexID = 3;
 inline void FieldIndexMeta::clear_indexid() {
   indexid_ = PROTOBUF_LONGLONG(0);
 }
@@ -1989,7 +1925,7 @@ inline void FieldIndexMeta::set_indexid(::PROTOBUF_NAMESPACE_ID::int64 value) {
   // @@protoc_insertion_point(field_set:milvus.proto.etcd.FieldIndexMeta.indexID)
 }
 
-// repeated .milvus.proto.common.KeyValuePair index_params = 5;
+// repeated .milvus.proto.common.KeyValuePair index_params = 4;
 inline int FieldIndexMeta::index_params_size() const {
   return index_params_.size();
 }
@@ -2016,7 +1952,7 @@ FieldIndexMeta::index_params() const {
   return index_params_;
 }
 
-// .milvus.proto.service.IndexStatus status = 6;
+// .milvus.proto.service.IndexStatus status = 5;
 inline void FieldIndexMeta::clear_status() {
   status_ = 0;
 }
@@ -2030,7 +1966,7 @@ inline void FieldIndexMeta::set_status(::milvus::proto::service::IndexStatus val
   // @@protoc_insertion_point(field_set:milvus.proto.etcd.FieldIndexMeta.status)
 }
 
-// repeated string index_file_paths = 7;
+// repeated string index_file_paths = 6;
 inline int FieldIndexMeta::index_file_paths_size() const {
   return index_file_paths_.size();
 }
diff --git a/internal/core/src/pb/service_msg.pb.cc b/internal/core/src/pb/service_msg.pb.cc
index f2c6da00d..e9a22fb39 100644
--- a/internal/core/src/pb/service_msg.pb.cc
+++ b/internal/core/src/pb/service_msg.pb.cc
@@ -501,7 +501,6 @@ const ::PROTOBUF_NAMESPACE_ID::uint32 TableStruct_service_5fmsg_2eproto::offsets
   ~0u,  // no _weak_field_map_
   PROTOBUF_FIELD_OFFSET(::milvus::proto::service::IndexParam, collection_name_),
   PROTOBUF_FIELD_OFFSET(::milvus::proto::service::IndexParam, field_name_),
-  PROTOBUF_FIELD_OFFSET(::milvus::proto::service::IndexParam, index_name_),
   PROTOBUF_FIELD_OFFSET(::milvus::proto::service::IndexParam, extra_params_),
   ~0u,  // no _has_bits_
   PROTOBUF_FIELD_OFFSET(::milvus::proto::service::DescribeIndexResponse, _internal_metadata_),
@@ -532,7 +531,7 @@ static const ::PROTOBUF_NAMESPACE_ID::internal::MigrationSchema schemas[] PROTOB
   { 105, -1, sizeof(::milvus::proto::service::Hits)},
   { 113, -1, sizeof(::milvus::proto::service::QueryResult)},
   { 120, -1, sizeof(::milvus::proto::service::IndexParam)},
-  { 129, -1, sizeof(::milvus::proto::service::DescribeIndexResponse)},
+  { 128, -1, sizeof(::milvus::proto::service::DescribeIndexResponse)},
 };
 
 static ::PROTOBUF_NAMESPACE_ID::Message const * const file_default_instances[] = {
@@ -596,19 +595,18 @@ const char descriptor_table_protodef_service_5fmsg_2eproto[] PROTOBUF_SECTION_VA
   " \003(\t\"5\n\004Hits\022\013\n\003IDs\030\001 \003(\003\022\020\n\010row_data\030\002 "
   "\003(\014\022\016\n\006scores\030\003 \003(\002\"H\n\013QueryResult\022+\n\006st"
   "atus\030\001 \001(\0132\033.milvus.proto.common.Status\022"
-  "\014\n\004hits\030\002 \003(\014\"\206\001\n\nIndexParam\022\027\n\017collecti"
-  "on_name\030\002 \001(\t\022\022\n\nfield_name\030\003 \001(\t\022\022\n\nind"
-  "ex_name\030\004 \001(\t\0227\n\014extra_params\030\005 \003(\0132!.mi"
-  "lvus.proto.common.KeyValuePair\"\276\001\n\025Descr"
-  "ibeIndexResponse\022+\n\006status\030\001 \001(\0132\033.milvu"
-  "s.proto.common.Status\022\027\n\017collection_name"
-  "\030\002 \001(\t\022\022\n\nfield_name\030\003 \001(\t\022\022\n\nindex_name"
-  "\030\004 \001(\t\0227\n\014extra_params\030\005 \003(\0132!.milvus.pr"
-  "oto.common.KeyValuePair*@\n\017PlaceholderTy"
-  "pe\022\010\n\004NONE\020\000\022\021\n\rVECTOR_BINARY\020d\022\020\n\014VECTO"
-  "R_FLOAT\020eBCZAgithub.com/zilliztech/milvu"
-  "s-distributed/internal/proto/servicepbb\006"
-  "proto3"
+  "\014\n\004hits\030\002 \003(\014\"r\n\nIndexParam\022\027\n\017collectio"
+  "n_name\030\001 \001(\t\022\022\n\nfield_name\030\002 \001(\t\0227\n\014extr"
+  "a_params\030\003 \003(\0132!.milvus.proto.common.Key"
+  "ValuePair\"\276\001\n\025DescribeIndexResponse\022+\n\006s"
+  "tatus\030\001 \001(\0132\033.milvus.proto.common.Status"
+  "\022\027\n\017collection_name\030\002 \001(\t\022\022\n\nfield_name\030"
+  "\003 \001(\t\022\022\n\nindex_name\030\004 \001(\t\0227\n\014extra_param"
+  "s\030\005 \003(\0132!.milvus.proto.common.KeyValuePa"
+  "ir*@\n\017PlaceholderType\022\010\n\004NONE\020\000\022\021\n\rVECTO"
+  "R_BINARY\020d\022\020\n\014VECTOR_FLOAT\020eBCZAgithub.c"
+  "om/zilliztech/milvus-distributed/interna"
+  "l/proto/servicepbb\006proto3"
   ;
 static const ::PROTOBUF_NAMESPACE_ID::internal::DescriptorTable*const descriptor_table_service_5fmsg_2eproto_deps[2] = {
   &::descriptor_table_common_2eproto,
@@ -637,7 +635,7 @@ static ::PROTOBUF_NAMESPACE_ID::internal::SCCInfoBase*const descriptor_table_ser
 static ::PROTOBUF_NAMESPACE_ID::internal::once_flag descriptor_table_service_5fmsg_2eproto_once;
 static bool descriptor_table_service_5fmsg_2eproto_initialized = false;
 const ::PROTOBUF_NAMESPACE_ID::internal::DescriptorTable descriptor_table_service_5fmsg_2eproto = {
-  &descriptor_table_service_5fmsg_2eproto_initialized, descriptor_table_protodef_service_5fmsg_2eproto, "service_msg.proto", 2046,
+  &descriptor_table_service_5fmsg_2eproto_initialized, descriptor_table_protodef_service_5fmsg_2eproto, "service_msg.proto", 2025,
   &descriptor_table_service_5fmsg_2eproto_once, descriptor_table_service_5fmsg_2eproto_sccs, descriptor_table_service_5fmsg_2eproto_deps, 18, 2,
   schemas, file_default_instances, TableStruct_service_5fmsg_2eproto::offsets,
   file_level_metadata_service_5fmsg_2eproto, 18, file_level_enum_descriptors_service_5fmsg_2eproto, file_level_service_descriptors_service_5fmsg_2eproto,
@@ -6393,10 +6391,6 @@ IndexParam::IndexParam(const IndexParam& from)
   if (!from.field_name().empty()) {
     field_name_.AssignWithDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), from.field_name_);
   }
-  index_name_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-  if (!from.index_name().empty()) {
-    index_name_.AssignWithDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), from.index_name_);
-  }
   // @@protoc_insertion_point(copy_constructor:milvus.proto.service.IndexParam)
 }
 
@@ -6404,7 +6398,6 @@ void IndexParam::SharedCtor() {
   ::PROTOBUF_NAMESPACE_ID::internal::InitSCC(&scc_info_IndexParam_service_5fmsg_2eproto.base);
   collection_name_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
   field_name_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-  index_name_.UnsafeSetDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
 }
 
 IndexParam::~IndexParam() {
@@ -6415,7 +6408,6 @@ IndexParam::~IndexParam() {
 void IndexParam::SharedDtor() {
   collection_name_.DestroyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
   field_name_.DestroyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-  index_name_.DestroyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
 }
 
 void IndexParam::SetCachedSize(int size) const {
@@ -6436,7 +6428,6 @@ void IndexParam::Clear() {
   extra_params_.Clear();
   collection_name_.ClearToEmptyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
   field_name_.ClearToEmptyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-  index_name_.ClearToEmptyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
   _internal_metadata_.Clear();
 }
 
@@ -6448,37 +6439,30 @@ const char* IndexParam::_InternalParse(const char* ptr, ::PROTOBUF_NAMESPACE_ID:
     ptr = ::PROTOBUF_NAMESPACE_ID::internal::ReadTag(ptr, &tag);
     CHK_(ptr);
     switch (tag >> 3) {
-      // string collection_name = 2;
-      case 2:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 18)) {
+      // string collection_name = 1;
+      case 1:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 10)) {
           ptr = ::PROTOBUF_NAMESPACE_ID::internal::InlineGreedyStringParserUTF8(mutable_collection_name(), ptr, ctx, "milvus.proto.service.IndexParam.collection_name");
           CHK_(ptr);
         } else goto handle_unusual;
         continue;
-      // string field_name = 3;
-      case 3:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 26)) {
+      // string field_name = 2;
+      case 2:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 18)) {
           ptr = ::PROTOBUF_NAMESPACE_ID::internal::InlineGreedyStringParserUTF8(mutable_field_name(), ptr, ctx, "milvus.proto.service.IndexParam.field_name");
           CHK_(ptr);
         } else goto handle_unusual;
         continue;
-      // string index_name = 4;
-      case 4:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 34)) {
-          ptr = ::PROTOBUF_NAMESPACE_ID::internal::InlineGreedyStringParserUTF8(mutable_index_name(), ptr, ctx, "milvus.proto.service.IndexParam.index_name");
-          CHK_(ptr);
-        } else goto handle_unusual;
-        continue;
-      // repeated .milvus.proto.common.KeyValuePair extra_params = 5;
-      case 5:
-        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 42)) {
+      // repeated .milvus.proto.common.KeyValuePair extra_params = 3;
+      case 3:
+        if (PROTOBUF_PREDICT_TRUE(static_cast<::PROTOBUF_NAMESPACE_ID::uint8>(tag) == 26)) {
           ptr -= 1;
           do {
             ptr += 1;
             ptr = ctx->ParseMessage(add_extra_params(), ptr);
             CHK_(ptr);
             if (!ctx->DataAvailable(ptr)) break;
-          } while (::PROTOBUF_NAMESPACE_ID::internal::UnalignedLoad<::PROTOBUF_NAMESPACE_ID::uint8>(ptr) == 42);
+          } while (::PROTOBUF_NAMESPACE_ID::internal::UnalignedLoad<::PROTOBUF_NAMESPACE_ID::uint8>(ptr) == 26);
         } else goto handle_unusual;
         continue;
       default: {
@@ -6511,9 +6495,9 @@ bool IndexParam::MergePartialFromCodedStream(
     tag = p.first;
     if (!p.second) goto handle_unusual;
     switch (::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::GetTagFieldNumber(tag)) {
-      // string collection_name = 2;
-      case 2: {
-        if (static_cast< ::PROTOBUF_NAMESPACE_ID::uint8>(tag) == (18 & 0xFF)) {
+      // string collection_name = 1;
+      case 1: {
+        if (static_cast< ::PROTOBUF_NAMESPACE_ID::uint8>(tag) == (10 & 0xFF)) {
           DO_(::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::ReadString(
                 input, this->mutable_collection_name()));
           DO_(::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
@@ -6526,9 +6510,9 @@ bool IndexParam::MergePartialFromCodedStream(
         break;
       }
 
-      // string field_name = 3;
-      case 3: {
-        if (static_cast< ::PROTOBUF_NAMESPACE_ID::uint8>(tag) == (26 & 0xFF)) {
+      // string field_name = 2;
+      case 2: {
+        if (static_cast< ::PROTOBUF_NAMESPACE_ID::uint8>(tag) == (18 & 0xFF)) {
           DO_(::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::ReadString(
                 input, this->mutable_field_name()));
           DO_(::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
@@ -6541,24 +6525,9 @@ bool IndexParam::MergePartialFromCodedStream(
         break;
       }
 
-      // string index_name = 4;
-      case 4: {
-        if (static_cast< ::PROTOBUF_NAMESPACE_ID::uint8>(tag) == (34 & 0xFF)) {
-          DO_(::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::ReadString(
-                input, this->mutable_index_name()));
-          DO_(::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
-            this->index_name().data(), static_cast<int>(this->index_name().length()),
-            ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::PARSE,
-            "milvus.proto.service.IndexParam.index_name"));
-        } else {
-          goto handle_unusual;
-        }
-        break;
-      }
-
-      // repeated .milvus.proto.common.KeyValuePair extra_params = 5;
-      case 5: {
-        if (static_cast< ::PROTOBUF_NAMESPACE_ID::uint8>(tag) == (42 & 0xFF)) {
+      // repeated .milvus.proto.common.KeyValuePair extra_params = 3;
+      case 3: {
+        if (static_cast< ::PROTOBUF_NAMESPACE_ID::uint8>(tag) == (26 & 0xFF)) {
           DO_(::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::ReadMessage(
                 input, add_extra_params()));
         } else {
@@ -6594,41 +6563,31 @@ void IndexParam::SerializeWithCachedSizes(
   ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
   (void) cached_has_bits;
 
-  // string collection_name = 2;
+  // string collection_name = 1;
   if (this->collection_name().size() > 0) {
     ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
       this->collection_name().data(), static_cast<int>(this->collection_name().length()),
       ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::SERIALIZE,
       "milvus.proto.service.IndexParam.collection_name");
     ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteStringMaybeAliased(
-      2, this->collection_name(), output);
+      1, this->collection_name(), output);
   }
 
-  // string field_name = 3;
+  // string field_name = 2;
   if (this->field_name().size() > 0) {
     ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
       this->field_name().data(), static_cast<int>(this->field_name().length()),
       ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::SERIALIZE,
       "milvus.proto.service.IndexParam.field_name");
     ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteStringMaybeAliased(
-      3, this->field_name(), output);
+      2, this->field_name(), output);
   }
 
-  // string index_name = 4;
-  if (this->index_name().size() > 0) {
-    ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
-      this->index_name().data(), static_cast<int>(this->index_name().length()),
-      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::SERIALIZE,
-      "milvus.proto.service.IndexParam.index_name");
-    ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteStringMaybeAliased(
-      4, this->index_name(), output);
-  }
-
-  // repeated .milvus.proto.common.KeyValuePair extra_params = 5;
+  // repeated .milvus.proto.common.KeyValuePair extra_params = 3;
   for (unsigned int i = 0,
       n = static_cast<unsigned int>(this->extra_params_size()); i < n; i++) {
     ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteMessageMaybeToArray(
-      5,
+      3,
       this->extra_params(static_cast<int>(i)),
       output);
   }
@@ -6646,7 +6605,7 @@ void IndexParam::SerializeWithCachedSizes(
   ::PROTOBUF_NAMESPACE_ID::uint32 cached_has_bits = 0;
   (void) cached_has_bits;
 
-  // string collection_name = 2;
+  // string collection_name = 1;
   if (this->collection_name().size() > 0) {
     ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
       this->collection_name().data(), static_cast<int>(this->collection_name().length()),
@@ -6654,10 +6613,10 @@ void IndexParam::SerializeWithCachedSizes(
       "milvus.proto.service.IndexParam.collection_name");
     target =
       ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteStringToArray(
-        2, this->collection_name(), target);
+        1, this->collection_name(), target);
   }
 
-  // string field_name = 3;
+  // string field_name = 2;
   if (this->field_name().size() > 0) {
     ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
       this->field_name().data(), static_cast<int>(this->field_name().length()),
@@ -6665,26 +6624,15 @@ void IndexParam::SerializeWithCachedSizes(
       "milvus.proto.service.IndexParam.field_name");
     target =
       ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteStringToArray(
-        3, this->field_name(), target);
+        2, this->field_name(), target);
   }
 
-  // string index_name = 4;
-  if (this->index_name().size() > 0) {
-    ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::VerifyUtf8String(
-      this->index_name().data(), static_cast<int>(this->index_name().length()),
-      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::SERIALIZE,
-      "milvus.proto.service.IndexParam.index_name");
-    target =
-      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::WriteStringToArray(
-        4, this->index_name(), target);
-  }
-
-  // repeated .milvus.proto.common.KeyValuePair extra_params = 5;
+  // repeated .milvus.proto.common.KeyValuePair extra_params = 3;
   for (unsigned int i = 0,
       n = static_cast<unsigned int>(this->extra_params_size()); i < n; i++) {
     target = ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::
       InternalWriteMessageToArray(
-        5, this->extra_params(static_cast<int>(i)), target);
+        3, this->extra_params(static_cast<int>(i)), target);
   }
 
   if (_internal_metadata_.have_unknown_fields()) {
@@ -6708,7 +6656,7 @@ size_t IndexParam::ByteSizeLong() const {
   // Prevent compiler warnings about cached_has_bits being unused
   (void) cached_has_bits;
 
-  // repeated .milvus.proto.common.KeyValuePair extra_params = 5;
+  // repeated .milvus.proto.common.KeyValuePair extra_params = 3;
   {
     unsigned int count = static_cast<unsigned int>(this->extra_params_size());
     total_size += 1UL * count;
@@ -6719,27 +6667,20 @@ size_t IndexParam::ByteSizeLong() const {
     }
   }
 
-  // string collection_name = 2;
+  // string collection_name = 1;
   if (this->collection_name().size() > 0) {
     total_size += 1 +
       ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::StringSize(
         this->collection_name());
   }
 
-  // string field_name = 3;
+  // string field_name = 2;
   if (this->field_name().size() > 0) {
     total_size += 1 +
       ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::StringSize(
         this->field_name());
   }
 
-  // string index_name = 4;
-  if (this->index_name().size() > 0) {
-    total_size += 1 +
-      ::PROTOBUF_NAMESPACE_ID::internal::WireFormatLite::StringSize(
-        this->index_name());
-  }
-
   int cached_size = ::PROTOBUF_NAMESPACE_ID::internal::ToCachedSize(total_size);
   SetCachedSize(cached_size);
   return total_size;
@@ -6776,10 +6717,6 @@ void IndexParam::MergeFrom(const IndexParam& from) {
 
     field_name_.AssignWithDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), from.field_name_);
   }
-  if (from.index_name().size() > 0) {
-
-    index_name_.AssignWithDefault(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), from.index_name_);
-  }
 }
 
 void IndexParam::CopyFrom(const ::PROTOBUF_NAMESPACE_ID::Message& from) {
@@ -6808,8 +6745,6 @@ void IndexParam::InternalSwap(IndexParam* other) {
     GetArenaNoVirtual());
   field_name_.Swap(&other->field_name_, &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(),
     GetArenaNoVirtual());
-  index_name_.Swap(&other->index_name_, &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(),
-    GetArenaNoVirtual());
 }
 
 ::PROTOBUF_NAMESPACE_ID::Metadata IndexParam::GetMetadata() const {
diff --git a/internal/core/src/pb/service_msg.pb.h b/internal/core/src/pb/service_msg.pb.h
index bfd3a3744..c813ded83 100644
--- a/internal/core/src/pb/service_msg.pb.h
+++ b/internal/core/src/pb/service_msg.pb.h
@@ -2775,12 +2775,11 @@ class IndexParam :
   // accessors -------------------------------------------------------
 
   enum : int {
-    kExtraParamsFieldNumber = 5,
-    kCollectionNameFieldNumber = 2,
-    kFieldNameFieldNumber = 3,
-    kIndexNameFieldNumber = 4,
+    kExtraParamsFieldNumber = 3,
+    kCollectionNameFieldNumber = 1,
+    kFieldNameFieldNumber = 2,
   };
-  // repeated .milvus.proto.common.KeyValuePair extra_params = 5;
+  // repeated .milvus.proto.common.KeyValuePair extra_params = 3;
   int extra_params_size() const;
   void clear_extra_params();
   ::milvus::proto::common::KeyValuePair* mutable_extra_params(int index);
@@ -2791,7 +2790,7 @@ class IndexParam :
   const ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::milvus::proto::common::KeyValuePair >&
       extra_params() const;
 
-  // string collection_name = 2;
+  // string collection_name = 1;
   void clear_collection_name();
   const std::string& collection_name() const;
   void set_collection_name(const std::string& value);
@@ -2802,7 +2801,7 @@ class IndexParam :
   std::string* release_collection_name();
   void set_allocated_collection_name(std::string* collection_name);
 
-  // string field_name = 3;
+  // string field_name = 2;
   void clear_field_name();
   const std::string& field_name() const;
   void set_field_name(const std::string& value);
@@ -2813,17 +2812,6 @@ class IndexParam :
   std::string* release_field_name();
   void set_allocated_field_name(std::string* field_name);
 
-  // string index_name = 4;
-  void clear_index_name();
-  const std::string& index_name() const;
-  void set_index_name(const std::string& value);
-  void set_index_name(std::string&& value);
-  void set_index_name(const char* value);
-  void set_index_name(const char* value, size_t size);
-  std::string* mutable_index_name();
-  std::string* release_index_name();
-  void set_allocated_index_name(std::string* index_name);
-
   // @@protoc_insertion_point(class_scope:milvus.proto.service.IndexParam)
  private:
   class _Internal;
@@ -2832,7 +2820,6 @@ class IndexParam :
   ::PROTOBUF_NAMESPACE_ID::RepeatedPtrField< ::milvus::proto::common::KeyValuePair > extra_params_;
   ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr collection_name_;
   ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr field_name_;
-  ::PROTOBUF_NAMESPACE_ID::internal::ArenaStringPtr index_name_;
   mutable ::PROTOBUF_NAMESPACE_ID::internal::CachedSize _cached_size_;
   friend struct ::TableStruct_service_5fmsg_2eproto;
 };
@@ -4850,7 +4837,7 @@ QueryResult::mutable_hits() {
 
 // IndexParam
 
-// string collection_name = 2;
+// string collection_name = 1;
 inline void IndexParam::clear_collection_name() {
   collection_name_.ClearToEmptyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
 }
@@ -4901,7 +4888,7 @@ inline void IndexParam::set_allocated_collection_name(std::string* collection_na
   // @@protoc_insertion_point(field_set_allocated:milvus.proto.service.IndexParam.collection_name)
 }
 
-// string field_name = 3;
+// string field_name = 2;
 inline void IndexParam::clear_field_name() {
   field_name_.ClearToEmptyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
 }
@@ -4952,58 +4939,7 @@ inline void IndexParam::set_allocated_field_name(std::string* field_name) {
   // @@protoc_insertion_point(field_set_allocated:milvus.proto.service.IndexParam.field_name)
 }
 
-// string index_name = 4;
-inline void IndexParam::clear_index_name() {
-  index_name_.ClearToEmptyNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-}
-inline const std::string& IndexParam::index_name() const {
-  // @@protoc_insertion_point(field_get:milvus.proto.service.IndexParam.index_name)
-  return index_name_.GetNoArena();
-}
-inline void IndexParam::set_index_name(const std::string& value) {
-  
-  index_name_.SetNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), value);
-  // @@protoc_insertion_point(field_set:milvus.proto.service.IndexParam.index_name)
-}
-inline void IndexParam::set_index_name(std::string&& value) {
-  
-  index_name_.SetNoArena(
-    &::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), ::std::move(value));
-  // @@protoc_insertion_point(field_set_rvalue:milvus.proto.service.IndexParam.index_name)
-}
-inline void IndexParam::set_index_name(const char* value) {
-  GOOGLE_DCHECK(value != nullptr);
-  
-  index_name_.SetNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), ::std::string(value));
-  // @@protoc_insertion_point(field_set_char:milvus.proto.service.IndexParam.index_name)
-}
-inline void IndexParam::set_index_name(const char* value, size_t size) {
-  
-  index_name_.SetNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(),
-      ::std::string(reinterpret_cast<const char*>(value), size));
-  // @@protoc_insertion_point(field_set_pointer:milvus.proto.service.IndexParam.index_name)
-}
-inline std::string* IndexParam::mutable_index_name() {
-  
-  // @@protoc_insertion_point(field_mutable:milvus.proto.service.IndexParam.index_name)
-  return index_name_.MutableNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-}
-inline std::string* IndexParam::release_index_name() {
-  // @@protoc_insertion_point(field_release:milvus.proto.service.IndexParam.index_name)
-  
-  return index_name_.ReleaseNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited());
-}
-inline void IndexParam::set_allocated_index_name(std::string* index_name) {
-  if (index_name != nullptr) {
-    
-  } else {
-    
-  }
-  index_name_.SetAllocatedNoArena(&::PROTOBUF_NAMESPACE_ID::internal::GetEmptyStringAlreadyInited(), index_name);
-  // @@protoc_insertion_point(field_set_allocated:milvus.proto.service.IndexParam.index_name)
-}
-
-// repeated .milvus.proto.common.KeyValuePair extra_params = 5;
+// repeated .milvus.proto.common.KeyValuePair extra_params = 3;
 inline int IndexParam::extra_params_size() const {
   return extra_params_.size();
 }
diff --git a/internal/master/meta_table.go b/internal/master/meta_table.go
index ba8df0be6..7bb91c805 100644
--- a/internal/master/meta_table.go
+++ b/internal/master/meta_table.go
@@ -505,7 +505,7 @@ func (mt *metaTable) AddFieldIndexMeta(meta *pb.FieldIndexMeta) error {
 		mt.segID2IndexMetas[segID] = make([]pb.FieldIndexMeta, 0)
 	}
 	for _, v := range mt.segID2IndexMetas[segID] {
-		if v.FieldID == meta.FieldID && v.IndexType == meta.IndexType && typeutil.CompareIndexParams(v.IndexParams, meta.IndexParams) {
+		if v.FieldID == meta.FieldID && typeutil.CompareIndexParams(v.IndexParams, meta.IndexParams) {
 			return fmt.Errorf("segment %d field id %d's index meta already exist", segID, meta.FieldID)
 		}
 	}
@@ -533,7 +533,7 @@ func (mt *metaTable) DeleteFieldIndexMeta(segID UniqueID, fieldID UniqueID, inde
 	}
 
 	for i, v := range mt.segID2IndexMetas[segID] {
-		if v.FieldID == fieldID && v.IndexType == indexType && typeutil.CompareIndexParams(v.IndexParams, indexParams) {
+		if v.FieldID == fieldID && typeutil.CompareIndexParams(v.IndexParams, indexParams) {
 			mt.segID2IndexMetas[segID] = append(mt.segID2IndexMetas[segID][:i], mt.segID2IndexMetas[segID][i+1:]...)
 			err := mt.deleteFieldIndexMetaToEtcd(segID, fieldID, v.IndexID)
 			if err != nil {
@@ -552,7 +552,7 @@ func (mt *metaTable) deleteFieldIndexMetaToEtcd(segID UniqueID, fieldID UniqueID
 	return mt.client.Remove(key)
 }
 
-func (mt *metaTable) HasFieldIndexMeta(segID UniqueID, fieldID UniqueID, indexType string, indexParams []*commonpb.KeyValuePair) (bool, error) {
+func (mt *metaTable) HasFieldIndexMeta(segID UniqueID, fieldID UniqueID, indexParams []*commonpb.KeyValuePair) (bool, error) {
 	mt.indexLock.RLock()
 	defer mt.indexLock.RUnlock()
 
@@ -561,7 +561,7 @@ func (mt *metaTable) HasFieldIndexMeta(segID UniqueID, fieldID UniqueID, indexTy
 	}
 
 	for _, v := range mt.segID2IndexMetas[segID] {
-		if v.FieldID == fieldID && v.IndexType == indexType && typeutil.CompareIndexParams(v.IndexParams, indexParams) {
+		if v.FieldID == fieldID && typeutil.CompareIndexParams(v.IndexParams, indexParams) {
 			return true, nil
 		}
 	}
@@ -577,7 +577,7 @@ func (mt *metaTable) UpdateFieldIndexMeta(meta *pb.FieldIndexMeta) error {
 		mt.segID2IndexMetas[segID] = make([]pb.FieldIndexMeta, 0)
 	}
 	for i, v := range mt.segID2IndexMetas[segID] {
-		if v.FieldID == meta.FieldID && v.IndexType == meta.IndexType && typeutil.CompareIndexParams(v.IndexParams, meta.IndexParams) {
+		if v.FieldID == meta.FieldID && typeutil.CompareIndexParams(v.IndexParams, meta.IndexParams) {
 			mt.segID2IndexMetas[segID][i] = *meta
 			err := mt.deleteFieldIndexMetaToEtcd(segID, v.FieldID, v.IndexID)
 			if err != nil {
diff --git a/internal/master/meta_table_test.go b/internal/master/meta_table_test.go
index 11c183794..01a953c3f 100644
--- a/internal/master/meta_table_test.go
+++ b/internal/master/meta_table_test.go
@@ -431,7 +431,6 @@ func TestMetaTable_LoadIndexMetaFromKv(t *testing.T) {
 	meta := pb.FieldIndexMeta{
 		SegmentID:      1,
 		FieldID:        100,
-		IndexType:      "type1",
 		IndexID:        1000,
 		IndexParams:    []*commonpb.KeyValuePair{{Key: "k1", Value: "v1"}},
 		Status:         indexbuilderpb.IndexStatus_FINISHED,
@@ -443,7 +442,7 @@ func TestMetaTable_LoadIndexMetaFromKv(t *testing.T) {
 
 	metaTable, err := NewMetaTable(kv)
 	assert.Nil(t, err)
-	res, err := metaTable.HasFieldIndexMeta(1, 100, "type1", []*commonpb.KeyValuePair{{Key: "k1", Value: "v1"}})
+	res, err := metaTable.HasFieldIndexMeta(1, 100, []*commonpb.KeyValuePair{{Key: "k1", Value: "v1"}})
 	assert.Nil(t, err)
 	assert.True(t, res)
 }
@@ -465,7 +464,6 @@ func TestMetaTable_IndexMeta(t *testing.T) {
 	err = meta.AddFieldIndexMeta(&pb.FieldIndexMeta{
 		SegmentID:      1,
 		FieldID:        100,
-		IndexType:      "type1",
 		IndexID:        1000,
 		IndexParams:    []*commonpb.KeyValuePair{{Key: "k1", Value: "v1"}},
 		Status:         indexbuilderpb.IndexStatus_INPROGRESS,
@@ -475,7 +473,6 @@ func TestMetaTable_IndexMeta(t *testing.T) {
 	err = meta.AddFieldIndexMeta(&pb.FieldIndexMeta{
 		SegmentID:      1,
 		FieldID:        100,
-		IndexType:      "type1",
 		IndexID:        1000,
 		IndexParams:    []*commonpb.KeyValuePair{{Key: "k1", Value: "v1"}},
 		Status:         indexbuilderpb.IndexStatus_INPROGRESS,
@@ -483,17 +480,16 @@ func TestMetaTable_IndexMeta(t *testing.T) {
 	})
 	assert.NotNil(t, err)
 
-	res, err := meta.HasFieldIndexMeta(1, 100, "type1", []*commonpb.KeyValuePair{{Key: "k1", Value: "v1"}})
+	res, err := meta.HasFieldIndexMeta(1, 100, []*commonpb.KeyValuePair{{Key: "k1", Value: "v1"}})
 	assert.Nil(t, err)
 	assert.True(t, res)
-	res, err = meta.HasFieldIndexMeta(1, 100, "type2", []*commonpb.KeyValuePair{{Key: "k1", Value: "v1"}})
+	res, err = meta.HasFieldIndexMeta(1, 100, []*commonpb.KeyValuePair{{Key: "k1", Value: "v2"}})
 	assert.Nil(t, err)
 	assert.False(t, res)
 
 	err = meta.UpdateFieldIndexMeta(&pb.FieldIndexMeta{
 		SegmentID:      1,
 		FieldID:        100,
-		IndexType:      "type1",
 		IndexID:        1000,
 		IndexParams:    []*commonpb.KeyValuePair{{Key: "k1", Value: "v1"}},
 		Status:         indexbuilderpb.IndexStatus_FINISHED,
@@ -503,7 +499,7 @@ func TestMetaTable_IndexMeta(t *testing.T) {
 	assert.EqualValues(t, indexbuilderpb.IndexStatus_FINISHED, meta.segID2IndexMetas[1][0].Status)
 	err = meta.DeleteFieldIndexMeta(1, 100, "type1", []*commonpb.KeyValuePair{{Key: "k1", Value: "v1"}})
 	assert.Nil(t, err)
-	res, err = meta.HasFieldIndexMeta(1, 100, "type1", []*commonpb.KeyValuePair{{Key: "k1", Value: "v1"}})
+	res, err = meta.HasFieldIndexMeta(1, 100, []*commonpb.KeyValuePair{{Key: "k1", Value: "v1"}})
 	assert.Nil(t, err)
 	assert.False(t, res)
 }
diff --git a/internal/proto/etcd_meta.proto b/internal/proto/etcd_meta.proto
index 686dab6ef..6cd4941b8 100644
--- a/internal/proto/etcd_meta.proto
+++ b/internal/proto/etcd_meta.proto
@@ -50,9 +50,8 @@ message SegmentMeta {
 message FieldIndexMeta {
   int64 segmentID = 1;
   int64 fieldID = 2;
-  string index_type = 3;
-  int64 indexID = 4;
-  repeated common.KeyValuePair index_params = 5;
-  service.IndexStatus status = 6;
-  repeated string index_file_paths = 7;
+  int64 indexID = 3;
+  repeated common.KeyValuePair index_params = 4;
+  service.IndexStatus status = 5;
+  repeated string index_file_paths = 6;
 }
\ No newline at end of file
diff --git a/internal/proto/etcdpb/etcd_meta.pb.go b/internal/proto/etcdpb/etcd_meta.pb.go
index 72df3f7a5..d710e8570 100644
--- a/internal/proto/etcdpb/etcd_meta.pb.go
+++ b/internal/proto/etcdpb/etcd_meta.pb.go
@@ -373,11 +373,10 @@ func (m *SegmentMeta) GetBinlogFilePaths() []*FieldBinlogFiles {
 type FieldIndexMeta struct {
 	SegmentID            int64                      `protobuf:"varint,1,opt,name=segmentID,proto3" json:"segmentID,omitempty"`
 	FieldID              int64                      `protobuf:"varint,2,opt,name=fieldID,proto3" json:"fieldID,omitempty"`
-	IndexType            string                     `protobuf:"bytes,3,opt,name=index_type,json=indexType,proto3" json:"index_type,omitempty"`
-	IndexID              int64                      `protobuf:"varint,4,opt,name=indexID,proto3" json:"indexID,omitempty"`
-	IndexParams          []*commonpb.KeyValuePair   `protobuf:"bytes,5,rep,name=index_params,json=indexParams,proto3" json:"index_params,omitempty"`
-	Status               indexbuilderpb.IndexStatus `protobuf:"varint,6,opt,name=status,proto3,enum=milvus.proto.service.IndexStatus" json:"status,omitempty"`
-	IndexFilePaths       []string                   `protobuf:"bytes,7,rep,name=index_file_paths,json=indexFilePaths,proto3" json:"index_file_paths,omitempty"`
+	IndexID              int64                      `protobuf:"varint,3,opt,name=indexID,proto3" json:"indexID,omitempty"`
+	IndexParams          []*commonpb.KeyValuePair   `protobuf:"bytes,4,rep,name=index_params,json=indexParams,proto3" json:"index_params,omitempty"`
+	Status               indexbuilderpb.IndexStatus `protobuf:"varint,5,opt,name=status,proto3,enum=milvus.proto.service.IndexStatus" json:"status,omitempty"`
+	IndexFilePaths       []string                   `protobuf:"bytes,6,rep,name=index_file_paths,json=indexFilePaths,proto3" json:"index_file_paths,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}                   `json:"-"`
 	XXX_unrecognized     []byte                     `json:"-"`
 	XXX_sizecache        int32                      `json:"-"`
@@ -422,13 +421,6 @@ func (m *FieldIndexMeta) GetFieldID() int64 {
 	return 0
 }
 
-func (m *FieldIndexMeta) GetIndexType() string {
-	if m != nil {
-		return m.IndexType
-	}
-	return ""
-}
-
 func (m *FieldIndexMeta) GetIndexID() int64 {
 	if m != nil {
 		return m.IndexID
@@ -469,51 +461,50 @@ func init() {
 func init() { proto.RegisterFile("etcd_meta.proto", fileDescriptor_975d306d62b73e88) }
 
 var fileDescriptor_975d306d62b73e88 = []byte{
-	// 725 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x54, 0xd1, 0x6e, 0xeb, 0x44,
-	0x10, 0x55, 0xe2, 0x36, 0xa9, 0x27, 0x69, 0xd2, 0x2e, 0x2f, 0xe6, 0x72, 0x2f, 0xe4, 0xa6, 0x2a,
-	0x44, 0x42, 0x24, 0x52, 0x91, 0x90, 0x78, 0x00, 0x41, 0x1b, 0x2a, 0x45, 0x08, 0x1a, 0x9c, 0x88,
-	0x07, 0x5e, 0xac, 0x8d, 0x3d, 0x4d, 0x56, 0xf2, 0xae, 0xcd, 0xee, 0xba, 0x6d, 0xf2, 0xc4, 0x77,
-	0xf0, 0x0d, 0xfc, 0x07, 0x5f, 0x85, 0x84, 0x76, 0xd7, 0x71, 0x92, 0x92, 0x07, 0x1e, 0xe7, 0xcc,
-	0x99, 0xf1, 0x99, 0x33, 0x3b, 0x86, 0x2e, 0xea, 0x38, 0x89, 0x38, 0x6a, 0x3a, 0xcc, 0x65, 0xa6,
-	0x33, 0x72, 0xc9, 0x59, 0xfa, 0x54, 0x28, 0x17, 0x0d, 0x4d, 0xf6, 0xcd, 0x07, 0x4c, 0x24, 0xf8,
-	0x12, 0x2d, 0x0a, 0x96, 0x26, 0x28, 0x5d, 0xe6, 0x4d, 0x3b, 0xce, 0x38, 0xcf, 0xc4, 0x36, 0x52,
-	0xf1, 0x0a, 0x79, 0xd9, 0xa3, 0xff, 0x67, 0x0d, 0x60, 0x8e, 0x82, 0x0a, 0xfd, 0x13, 0x6a, 0x4a,
-	0x3a, 0x50, 0x9f, 0x8c, 0x83, 0x5a, 0xaf, 0x36, 0xf0, 0xc2, 0xfa, 0x64, 0x4c, 0x3e, 0x85, 0xae,
-	0x28, 0x78, 0xf4, 0x7b, 0x81, 0x72, 0x1d, 0x89, 0x2c, 0x41, 0x15, 0xd4, 0x6d, 0xf2, 0x5c, 0x14,
-	0xfc, 0x17, 0x83, 0xfe, 0x6c, 0x40, 0xf2, 0x39, 0x5c, 0x32, 0xa1, 0x50, 0xea, 0x28, 0x5e, 0x51,
-	0x21, 0x30, 0x9d, 0x8c, 0x55, 0xe0, 0xf5, 0xbc, 0x81, 0x1f, 0x5e, 0xb8, 0xc4, 0x5d, 0x85, 0x93,
-	0xcf, 0xa0, 0xeb, 0x1a, 0x56, 0xdc, 0xe0, 0xa4, 0x57, 0x1b, 0xf8, 0x61, 0xc7, 0xc2, 0x15, 0xb3,
-	0xff, 0x47, 0x0d, 0xfc, 0xa9, 0xcc, 0x5e, 0xd6, 0x47, 0xb5, 0x7d, 0x05, 0x4d, 0x9a, 0x24, 0x12,
-	0x95, 0xd3, 0xd4, 0xba, 0x79, 0x3b, 0x3c, 0x30, 0xa4, 0x9c, 0xfa, 0x7b, 0xc7, 0x09, 0xb7, 0x64,
-	0xa3, 0x55, 0xa2, 0x2a, 0xd2, 0x63, 0x5a, 0x5d, 0x62, 0xa7, 0xb5, 0xff, 0x77, 0x0d, 0x3a, 0x77,
-	0x59, 0x9a, 0x62, 0xac, 0x59, 0x26, 0x8e, 0xea, 0xf8, 0x06, 0x1a, 0xce, 0xd2, 0x52, 0xc6, 0xf5,
-	0xa1, 0x8c, 0xd2, 0xee, 0x5d, 0x93, 0x99, 0x05, 0xc2, 0xb2, 0x88, 0x7c, 0x02, 0xad, 0x58, 0x22,
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-	0x9d, 0xd3, 0xa5, 0xea, 0x3f, 0xc0, 0xc5, 0x3d, 0xc3, 0x34, 0xb9, 0x65, 0x22, 0xcd, 0x96, 0xf7,
-	0x2c, 0x45, 0x45, 0x02, 0x68, 0x3e, 0x1a, 0xac, 0x9a, 0x67, 0x1b, 0x92, 0xf7, 0xd0, 0x5e, 0x58,
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 }
diff --git a/internal/proto/internal_msg.proto b/internal/proto/internal_msg.proto
index 7f765963e..7f82bc83a 100644
--- a/internal/proto/internal_msg.proto
+++ b/internal/proto/internal_msg.proto
@@ -327,8 +327,7 @@ message CreateIndexRequest {
     int64 proxyID = 4;
     string collection_name = 5;
     string field_name = 6;
-    string index_name = 7;
-    repeated common.KeyValuePair extra_params = 8;
+    repeated common.KeyValuePair extra_params = 7;
 }
 
 message DescribeIndexRequest {
@@ -338,8 +337,7 @@ message DescribeIndexRequest {
     int64 proxyID = 4;
     string collection_name = 5;
     string field_name = 6;
-    string index_name = 7;
-    repeated common.KeyValuePair extra_params = 8;
+    repeated common.KeyValuePair extra_params = 7;
 }
 
 message DescribeIndexProgressRequest {
@@ -349,6 +347,5 @@ message DescribeIndexProgressRequest {
     int64 proxyID = 4;
     string collection_name = 5;
     string field_name = 6;
-    string index_name = 7;
-    repeated common.KeyValuePair extra_params = 8;
+    repeated common.KeyValuePair extra_params = 7;
 }
diff --git a/internal/proto/internalpb/internal_msg.pb.go b/internal/proto/internalpb/internal_msg.pb.go
index da44b6a76..939a0da9b 100644
--- a/internal/proto/internalpb/internal_msg.pb.go
+++ b/internal/proto/internalpb/internal_msg.pb.go
@@ -2340,8 +2340,7 @@ type CreateIndexRequest struct {
 	ProxyID              int64                    `protobuf:"varint,4,opt,name=proxyID,proto3" json:"proxyID,omitempty"`
 	CollectionName       string                   `protobuf:"bytes,5,opt,name=collection_name,json=collectionName,proto3" json:"collection_name,omitempty"`
 	FieldName            string                   `protobuf:"bytes,6,opt,name=field_name,json=fieldName,proto3" json:"field_name,omitempty"`
-	IndexName            string                   `protobuf:"bytes,7,opt,name=index_name,json=indexName,proto3" json:"index_name,omitempty"`
-	ExtraParams          []*commonpb.KeyValuePair `protobuf:"bytes,8,rep,name=extra_params,json=extraParams,proto3" json:"extra_params,omitempty"`
+	ExtraParams          []*commonpb.KeyValuePair `protobuf:"bytes,7,rep,name=extra_params,json=extraParams,proto3" json:"extra_params,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}                 `json:"-"`
 	XXX_unrecognized     []byte                   `json:"-"`
 	XXX_sizecache        int32                    `json:"-"`
@@ -2414,13 +2413,6 @@ func (m *CreateIndexRequest) GetFieldName() string {
 	return ""
 }
 
-func (m *CreateIndexRequest) GetIndexName() string {
-	if m != nil {
-		return m.IndexName
-	}
-	return ""
-}
-
 func (m *CreateIndexRequest) GetExtraParams() []*commonpb.KeyValuePair {
 	if m != nil {
 		return m.ExtraParams
@@ -2435,8 +2427,7 @@ type DescribeIndexRequest struct {
 	ProxyID              int64                    `protobuf:"varint,4,opt,name=proxyID,proto3" json:"proxyID,omitempty"`
 	CollectionName       string                   `protobuf:"bytes,5,opt,name=collection_name,json=collectionName,proto3" json:"collection_name,omitempty"`
 	FieldName            string                   `protobuf:"bytes,6,opt,name=field_name,json=fieldName,proto3" json:"field_name,omitempty"`
-	IndexName            string                   `protobuf:"bytes,7,opt,name=index_name,json=indexName,proto3" json:"index_name,omitempty"`
-	ExtraParams          []*commonpb.KeyValuePair `protobuf:"bytes,8,rep,name=extra_params,json=extraParams,proto3" json:"extra_params,omitempty"`
+	ExtraParams          []*commonpb.KeyValuePair `protobuf:"bytes,7,rep,name=extra_params,json=extraParams,proto3" json:"extra_params,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}                 `json:"-"`
 	XXX_unrecognized     []byte                   `json:"-"`
 	XXX_sizecache        int32                    `json:"-"`
@@ -2509,13 +2500,6 @@ func (m *DescribeIndexRequest) GetFieldName() string {
 	return ""
 }
 
-func (m *DescribeIndexRequest) GetIndexName() string {
-	if m != nil {
-		return m.IndexName
-	}
-	return ""
-}
-
 func (m *DescribeIndexRequest) GetExtraParams() []*commonpb.KeyValuePair {
 	if m != nil {
 		return m.ExtraParams
@@ -2530,8 +2514,7 @@ type DescribeIndexProgressRequest struct {
 	ProxyID              int64                    `protobuf:"varint,4,opt,name=proxyID,proto3" json:"proxyID,omitempty"`
 	CollectionName       string                   `protobuf:"bytes,5,opt,name=collection_name,json=collectionName,proto3" json:"collection_name,omitempty"`
 	FieldName            string                   `protobuf:"bytes,6,opt,name=field_name,json=fieldName,proto3" json:"field_name,omitempty"`
-	IndexName            string                   `protobuf:"bytes,7,opt,name=index_name,json=indexName,proto3" json:"index_name,omitempty"`
-	ExtraParams          []*commonpb.KeyValuePair `protobuf:"bytes,8,rep,name=extra_params,json=extraParams,proto3" json:"extra_params,omitempty"`
+	ExtraParams          []*commonpb.KeyValuePair `protobuf:"bytes,7,rep,name=extra_params,json=extraParams,proto3" json:"extra_params,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}                 `json:"-"`
 	XXX_unrecognized     []byte                   `json:"-"`
 	XXX_sizecache        int32                    `json:"-"`
@@ -2604,13 +2587,6 @@ func (m *DescribeIndexProgressRequest) GetFieldName() string {
 	return ""
 }
 
-func (m *DescribeIndexProgressRequest) GetIndexName() string {
-	if m != nil {
-		return m.IndexName
-	}
-	return ""
-}
-
 func (m *DescribeIndexProgressRequest) GetExtraParams() []*commonpb.KeyValuePair {
 	if m != nil {
 		return m.ExtraParams
@@ -2661,120 +2637,120 @@ func init() {
 func init() { proto.RegisterFile("internal_msg.proto", fileDescriptor_7eb37f6b80b23116) }
 
 var fileDescriptor_7eb37f6b80b23116 = []byte{
-	// 1838 bytes of a gzipped FileDescriptorProto
+	// 1828 bytes of a gzipped FileDescriptorProto
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 }
diff --git a/internal/proto/service_msg.proto b/internal/proto/service_msg.proto
index 094b276ef..642ae3f61 100644
--- a/internal/proto/service_msg.proto
+++ b/internal/proto/service_msg.proto
@@ -179,10 +179,9 @@ message QueryResult {
  *        extra_params["index_type"] = one of the values: SORTED
  */
  message IndexParam {
-    string collection_name = 2;
-    string field_name = 3;
-    string index_name = 4;
-    repeated common.KeyValuePair extra_params = 5;
+    string collection_name = 1;
+    string field_name = 2;
+    repeated common.KeyValuePair extra_params = 3;
 }
 
 message DescribeIndexResponse {
diff --git a/internal/proto/servicepb/service_msg.pb.go b/internal/proto/servicepb/service_msg.pb.go
index a1e822c9e..4377d99aa 100644
--- a/internal/proto/servicepb/service_msg.pb.go
+++ b/internal/proto/servicepb/service_msg.pb.go
@@ -915,10 +915,9 @@ func (m *QueryResult) GetHits() [][]byte {
 //    for structured field:
 //        extra_params["index_type"] = one of the values: SORTED
 type IndexParam struct {
-	CollectionName       string                   `protobuf:"bytes,2,opt,name=collection_name,json=collectionName,proto3" json:"collection_name,omitempty"`
-	FieldName            string                   `protobuf:"bytes,3,opt,name=field_name,json=fieldName,proto3" json:"field_name,omitempty"`
-	IndexName            string                   `protobuf:"bytes,4,opt,name=index_name,json=indexName,proto3" json:"index_name,omitempty"`
-	ExtraParams          []*commonpb.KeyValuePair `protobuf:"bytes,5,rep,name=extra_params,json=extraParams,proto3" json:"extra_params,omitempty"`
+	CollectionName       string                   `protobuf:"bytes,1,opt,name=collection_name,json=collectionName,proto3" json:"collection_name,omitempty"`
+	FieldName            string                   `protobuf:"bytes,2,opt,name=field_name,json=fieldName,proto3" json:"field_name,omitempty"`
+	ExtraParams          []*commonpb.KeyValuePair `protobuf:"bytes,3,rep,name=extra_params,json=extraParams,proto3" json:"extra_params,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}                 `json:"-"`
 	XXX_unrecognized     []byte                   `json:"-"`
 	XXX_sizecache        int32                    `json:"-"`
@@ -963,13 +962,6 @@ func (m *IndexParam) GetFieldName() string {
 	return ""
 }
 
-func (m *IndexParam) GetIndexName() string {
-	if m != nil {
-		return m.IndexName
-	}
-	return ""
-}
-
 func (m *IndexParam) GetExtraParams() []*commonpb.KeyValuePair {
 	if m != nil {
 		return m.ExtraParams
@@ -1073,58 +1065,59 @@ func init() {
 func init() { proto.RegisterFile("service_msg.proto", fileDescriptor_b4b40b84dd2f74cb) }
 
 var fileDescriptor_b4b40b84dd2f74cb = []byte{
-	// 847 bytes of a gzipped FileDescriptorProto
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 }
diff --git a/internal/proxy/grpc_service.go b/internal/proxy/grpc_service.go
index 54d15dbdb..d6d384e17 100644
--- a/internal/proxy/grpc_service.go
+++ b/internal/proxy/grpc_service.go
@@ -595,14 +595,12 @@ func (p *Proxy) ShowPartitions(ctx context.Context, req *servicepb.CollectionNam
 }
 
 func (p *Proxy) CreateIndex(ctx context.Context, indexParam *servicepb.IndexParam) (*commonpb.Status, error) {
-	log.Println("create index: ", indexParam.IndexName)
 	cit := &CreateIndexTask{
 		Condition: NewTaskCondition(ctx),
 		CreateIndexRequest: internalpb.CreateIndexRequest{
 			MsgType:        internalpb.MsgType_kCreateIndex,
 			CollectionName: indexParam.CollectionName,
 			FieldName:      indexParam.FieldName,
-			IndexName:      indexParam.IndexName,
 			ExtraParams:    indexParam.ExtraParams,
 		},
 		masterClient: p.masterClient,
diff --git a/internal/storage/data_codec.go b/internal/storage/data_codec.go
index 30ce557fa..b7b84ad5c 100644
--- a/internal/storage/data_codec.go
+++ b/internal/storage/data_codec.go
@@ -2,6 +2,9 @@ package storage
 
 import (
 	"fmt"
+	"sort"
+	"strconv"
+	"strings"
 
 	"github.com/zilliztech/milvus-distributed/internal/errors"
 	ms "github.com/zilliztech/milvus-distributed/internal/master"
@@ -17,8 +20,26 @@ type (
 )
 
 type Blob struct {
-	key   string
-	value []byte
+	Key   string
+	Value []byte
+}
+
+type BlobList []*Blob
+
+func (s BlobList) Len() int {
+	return len(s)
+}
+
+func (s BlobList) Less(i, j int) bool {
+	leftValues := strings.Split(s[i].Key, "/")
+	rightValues := strings.Split(s[j].Key, "/")
+	left, _ := strconv.ParseInt(leftValues[len(leftValues)-1], 0, 10)
+	right, _ := strconv.ParseInt(rightValues[len(rightValues)-1], 0, 10)
+	return left < right
+}
+
+func (s BlobList) Swap(i, j int) {
+	s[i], s[j] = s[j], s[i]
 }
 
 func NewBlob(key string, value []byte) *Blob {
@@ -26,11 +47,11 @@ func NewBlob(key string, value []byte) *Blob {
 }
 
 func (b Blob) GetKey() string {
-	return b.key
+	return b.Key
 }
 
 func (b Blob) GetValue() []byte {
-	return b.value
+	return b.Value
 }
 
 type Base struct {
@@ -113,7 +134,7 @@ func (insertCodec *InsertCodec) Serialize(partitionID UniqueID, segmentID Unique
 	if !ok {
 		return nil, errors.New("data doesn't contains timestamp field")
 	}
-	ts := timeFieldData.(Int64FieldData).Data
+	ts := timeFieldData.(*Int64FieldData).Data
 
 	for _, field := range insertCodec.Schema.Schema.Fields {
 		singleData := data.Data[field.FieldID]
@@ -129,30 +150,30 @@ func (insertCodec *InsertCodec) Serialize(partitionID UniqueID, segmentID Unique
 		eventWriter.SetEndTimestamp(typeutil.Timestamp(ts[len(ts)-1]))
 		switch field.DataType {
 		case schemapb.DataType_BOOL:
-			err = eventWriter.AddBoolToPayload(singleData.(BoolFieldData).Data)
+			err = eventWriter.AddBoolToPayload(singleData.(*BoolFieldData).Data)
 		case schemapb.DataType_INT8:
-			err = eventWriter.AddInt8ToPayload(singleData.(Int8FieldData).Data)
+			err = eventWriter.AddInt8ToPayload(singleData.(*Int8FieldData).Data)
 		case schemapb.DataType_INT16:
-			err = eventWriter.AddInt16ToPayload(singleData.(Int16FieldData).Data)
+			err = eventWriter.AddInt16ToPayload(singleData.(*Int16FieldData).Data)
 		case schemapb.DataType_INT32:
-			err = eventWriter.AddInt32ToPayload(singleData.(Int32FieldData).Data)
+			err = eventWriter.AddInt32ToPayload(singleData.(*Int32FieldData).Data)
 		case schemapb.DataType_INT64:
-			err = eventWriter.AddInt64ToPayload(singleData.(Int64FieldData).Data)
+			err = eventWriter.AddInt64ToPayload(singleData.(*Int64FieldData).Data)
 		case schemapb.DataType_FLOAT:
-			err = eventWriter.AddFloatToPayload(singleData.(FloatFieldData).Data)
+			err = eventWriter.AddFloatToPayload(singleData.(*FloatFieldData).Data)
 		case schemapb.DataType_DOUBLE:
-			err = eventWriter.AddDoubleToPayload(singleData.(DoubleFieldData).Data)
+			err = eventWriter.AddDoubleToPayload(singleData.(*DoubleFieldData).Data)
 		case schemapb.DataType_STRING:
-			for _, singleString := range singleData.(StringFieldData).Data {
+			for _, singleString := range singleData.(*StringFieldData).Data {
 				err = eventWriter.AddOneStringToPayload(singleString)
 				if err != nil {
 					return nil, err
 				}
 			}
 		case schemapb.DataType_VECTOR_BINARY:
-			err = eventWriter.AddBinaryVectorToPayload(singleData.(BinaryVectorFieldData).Data, singleData.(BinaryVectorFieldData).Dim)
+			err = eventWriter.AddBinaryVectorToPayload(singleData.(*BinaryVectorFieldData).Data, singleData.(*BinaryVectorFieldData).Dim)
 		case schemapb.DataType_VECTOR_FLOAT:
-			err = eventWriter.AddFloatVectorToPayload(singleData.(FloatVectorFieldData).Data, singleData.(FloatVectorFieldData).Dim)
+			err = eventWriter.AddFloatVectorToPayload(singleData.(*FloatVectorFieldData).Data, singleData.(*FloatVectorFieldData).Dim)
 		default:
 			return nil, errors.Errorf("undefined data type %d", field.DataType)
 		}
@@ -176,8 +197,8 @@ func (insertCodec *InsertCodec) Serialize(partitionID UniqueID, segmentID Unique
 		}
 		blobKey := fmt.Sprintf("%d", field.FieldID)
 		blobs = append(blobs, &Blob{
-			key:   blobKey,
-			value: buffer,
+			Key:   blobKey,
+			Value: buffer,
 		})
 
 	}
@@ -191,12 +212,16 @@ func (insertCodec *InsertCodec) Deserialize(blobs []*Blob) (partitionID UniqueID
 	readerClose := func(reader *BinlogReader) func() error {
 		return func() error { return reader.Close() }
 	}
-	var resultData InsertData
+
+	var blobList BlobList = blobs
+	sort.Sort(blobList)
+
 	var pID UniqueID
 	var sID UniqueID
+	resultData := &InsertData{}
 	resultData.Data = make(map[FieldID]FieldData)
-	for _, blob := range blobs {
-		binlogReader, err := NewBinlogReader(blob.value)
+	for _, blob := range blobList {
+		binlogReader, err := NewBinlogReader(blob.Value)
 		if err != nil {
 			return -1, -1, nil, err
 		}
@@ -206,150 +231,187 @@ func (insertCodec *InsertCodec) Deserialize(blobs []*Blob) (partitionID UniqueID
 
 		dataType := binlogReader.PayloadDataType
 		fieldID := binlogReader.FieldID
-		switch dataType {
-		case schemapb.DataType_BOOL:
-			var boolFieldData BoolFieldData
-			eventReader, err := binlogReader.NextEventReader()
-			if err != nil {
-				return -1, -1, nil, err
-			}
-			boolFieldData.Data, err = eventReader.GetBoolFromPayload()
-			if err != nil {
-				return -1, -1, nil, err
-			}
-			boolFieldData.NumRows = len(boolFieldData.Data)
-			resultData.Data[fieldID] = boolFieldData
-			insertCodec.readerCloseFunc = append(insertCodec.readerCloseFunc, readerClose(binlogReader))
-		case schemapb.DataType_INT8:
-			var int8FieldData Int8FieldData
+		for {
 			eventReader, err := binlogReader.NextEventReader()
 			if err != nil {
 				return -1, -1, nil, err
 			}
-			int8FieldData.Data, err = eventReader.GetInt8FromPayload()
-			if err != nil {
-				return -1, -1, nil, err
+			if eventReader == nil {
+				break
 			}
-			int8FieldData.NumRows = len(int8FieldData.Data)
-			resultData.Data[fieldID] = int8FieldData
-			insertCodec.readerCloseFunc = append(insertCodec.readerCloseFunc, readerClose(binlogReader))
-		case schemapb.DataType_INT16:
-			var int16FieldData Int16FieldData
-			eventReader, err := binlogReader.NextEventReader()
-			if err != nil {
-				return -1, -1, nil, err
-			}
-			int16FieldData.Data, err = eventReader.GetInt16FromPayload()
-			if err != nil {
-				return -1, -1, nil, err
-			}
-			int16FieldData.NumRows = len(int16FieldData.Data)
-			resultData.Data[fieldID] = int16FieldData
-			insertCodec.readerCloseFunc = append(insertCodec.readerCloseFunc, readerClose(binlogReader))
-		case schemapb.DataType_INT32:
-			var int32FieldData Int32FieldData
-			eventReader, err := binlogReader.NextEventReader()
-			if err != nil {
-				return -1, -1, nil, err
-			}
-			int32FieldData.Data, err = eventReader.GetInt32FromPayload()
-			if err != nil {
-				return -1, -1, nil, err
-			}
-			int32FieldData.NumRows = len(int32FieldData.Data)
-			resultData.Data[fieldID] = int32FieldData
-			insertCodec.readerCloseFunc = append(insertCodec.readerCloseFunc, readerClose(binlogReader))
-		case schemapb.DataType_INT64:
-			var int64FieldData Int64FieldData
-			eventReader, err := binlogReader.NextEventReader()
-			if err != nil {
-				return -1, -1, nil, err
-			}
-			int64FieldData.Data, err = eventReader.GetInt64FromPayload()
-			if err != nil {
-				return -1, -1, nil, err
-			}
-			int64FieldData.NumRows = len(int64FieldData.Data)
-			resultData.Data[fieldID] = int64FieldData
-			insertCodec.readerCloseFunc = append(insertCodec.readerCloseFunc, readerClose(binlogReader))
-		case schemapb.DataType_FLOAT:
-			var floatFieldData FloatFieldData
-			eventReader, err := binlogReader.NextEventReader()
-			if err != nil {
-				return -1, -1, nil, err
-			}
-			floatFieldData.Data, err = eventReader.GetFloatFromPayload()
-			if err != nil {
-				return -1, -1, nil, err
-			}
-			floatFieldData.NumRows = len(floatFieldData.Data)
-			resultData.Data[fieldID] = floatFieldData
-			insertCodec.readerCloseFunc = append(insertCodec.readerCloseFunc, readerClose(binlogReader))
-		case schemapb.DataType_DOUBLE:
-			var doubleFieldData DoubleFieldData
-			eventReader, err := binlogReader.NextEventReader()
-			if err != nil {
-				return -1, -1, nil, err
-			}
-			doubleFieldData.Data, err = eventReader.GetDoubleFromPayload()
-			if err != nil {
-				return -1, -1, nil, err
-			}
-			doubleFieldData.NumRows = len(doubleFieldData.Data)
-			resultData.Data[fieldID] = doubleFieldData
-			insertCodec.readerCloseFunc = append(insertCodec.readerCloseFunc, readerClose(binlogReader))
-		case schemapb.DataType_STRING:
-			var stringFieldData StringFieldData
-			eventReader, err := binlogReader.NextEventReader()
-			if err != nil {
-				return -1, -1, nil, err
-			}
-			length, err := eventReader.GetPayloadLengthFromReader()
-			stringFieldData.NumRows = length
-			if err != nil {
-				return -1, -1, nil, err
-			}
-			for i := 0; i < length; i++ {
-				singleString, err := eventReader.GetOneStringFromPayload(i)
+			switch dataType {
+			case schemapb.DataType_BOOL:
+				if resultData.Data[fieldID] == nil {
+					resultData.Data[fieldID] = &BoolFieldData{}
+				}
+				boolFieldData := resultData.Data[fieldID].(*BoolFieldData)
+				singleData, err := eventReader.GetBoolFromPayload()
 				if err != nil {
 					return -1, -1, nil, err
 				}
-				stringFieldData.Data = append(stringFieldData.Data, singleString)
-			}
-			resultData.Data[fieldID] = stringFieldData
-			insertCodec.readerCloseFunc = append(insertCodec.readerCloseFunc, readerClose(binlogReader))
-		case schemapb.DataType_VECTOR_BINARY:
-			var binaryVectorFieldData BinaryVectorFieldData
-			eventReader, err := binlogReader.NextEventReader()
-			if err != nil {
-				return -1, -1, nil, err
-			}
-			binaryVectorFieldData.Data, binaryVectorFieldData.Dim, err = eventReader.GetBinaryVectorFromPayload()
-			if err != nil {
-				return -1, -1, nil, err
-			}
-			binaryVectorFieldData.NumRows = len(binaryVectorFieldData.Data)
-			resultData.Data[fieldID] = binaryVectorFieldData
-			insertCodec.readerCloseFunc = append(insertCodec.readerCloseFunc, readerClose(binlogReader))
-		case schemapb.DataType_VECTOR_FLOAT:
-			var floatVectorFieldData FloatVectorFieldData
-			eventReader, err := binlogReader.NextEventReader()
-			if err != nil {
-				return -1, -1, nil, err
-			}
-			floatVectorFieldData.Data, floatVectorFieldData.Dim, err = eventReader.GetFloatVectorFromPayload()
-			if err != nil {
-				return -1, -1, nil, err
+				boolFieldData.Data = append(boolFieldData.Data, singleData...)
+				length, err := eventReader.GetPayloadLengthFromReader()
+				if err != nil {
+					return -1, -1, nil, err
+				}
+				boolFieldData.NumRows += length
+				resultData.Data[fieldID] = boolFieldData
+			case schemapb.DataType_INT8:
+				if resultData.Data[fieldID] == nil {
+					resultData.Data[fieldID] = &Int8FieldData{}
+				}
+				int8FieldData := resultData.Data[fieldID].(*Int8FieldData)
+				singleData, err := eventReader.GetInt8FromPayload()
+				if err != nil {
+					return -1, -1, nil, err
+				}
+				int8FieldData.Data = append(int8FieldData.Data, singleData...)
+				length, err := eventReader.GetPayloadLengthFromReader()
+				if err != nil {
+					return -1, -1, nil, err
+				}
+				int8FieldData.NumRows += length
+				resultData.Data[fieldID] = int8FieldData
+			case schemapb.DataType_INT16:
+				if resultData.Data[fieldID] == nil {
+					resultData.Data[fieldID] = &Int16FieldData{}
+				}
+				int16FieldData := resultData.Data[fieldID].(*Int16FieldData)
+				singleData, err := eventReader.GetInt16FromPayload()
+				if err != nil {
+					return -1, -1, nil, err
+				}
+				int16FieldData.Data = append(int16FieldData.Data, singleData...)
+				length, err := eventReader.GetPayloadLengthFromReader()
+				if err != nil {
+					return -1, -1, nil, err
+				}
+				int16FieldData.NumRows += length
+				resultData.Data[fieldID] = int16FieldData
+			case schemapb.DataType_INT32:
+				if resultData.Data[fieldID] == nil {
+					resultData.Data[fieldID] = &Int32FieldData{}
+				}
+				int32FieldData := resultData.Data[fieldID].(*Int32FieldData)
+				singleData, err := eventReader.GetInt32FromPayload()
+				if err != nil {
+					return -1, -1, nil, err
+				}
+				int32FieldData.Data = append(int32FieldData.Data, singleData...)
+				length, err := eventReader.GetPayloadLengthFromReader()
+				if err != nil {
+					return -1, -1, nil, err
+				}
+				int32FieldData.NumRows += length
+				resultData.Data[fieldID] = int32FieldData
+			case schemapb.DataType_INT64:
+				if resultData.Data[fieldID] == nil {
+					resultData.Data[fieldID] = &Int64FieldData{}
+				}
+				int64FieldData := resultData.Data[fieldID].(*Int64FieldData)
+				singleData, err := eventReader.GetInt64FromPayload()
+				if err != nil {
+					return -1, -1, nil, err
+				}
+				int64FieldData.Data = append(int64FieldData.Data, singleData...)
+				length, err := eventReader.GetPayloadLengthFromReader()
+				if err != nil {
+					return -1, -1, nil, err
+				}
+				int64FieldData.NumRows += length
+				resultData.Data[fieldID] = int64FieldData
+			case schemapb.DataType_FLOAT:
+				if resultData.Data[fieldID] == nil {
+					resultData.Data[fieldID] = &FloatFieldData{}
+				}
+				floatFieldData := resultData.Data[fieldID].(*FloatFieldData)
+				singleData, err := eventReader.GetFloatFromPayload()
+				if err != nil {
+					return -1, -1, nil, err
+				}
+				floatFieldData.Data = append(floatFieldData.Data, singleData...)
+				length, err := eventReader.GetPayloadLengthFromReader()
+				if err != nil {
+					return -1, -1, nil, err
+				}
+				floatFieldData.NumRows += length
+				resultData.Data[fieldID] = floatFieldData
+			case schemapb.DataType_DOUBLE:
+				if resultData.Data[fieldID] == nil {
+					resultData.Data[fieldID] = &DoubleFieldData{}
+				}
+				doubleFieldData := resultData.Data[fieldID].(*DoubleFieldData)
+				singleData, err := eventReader.GetDoubleFromPayload()
+				if err != nil {
+					return -1, -1, nil, err
+				}
+				doubleFieldData.Data = append(doubleFieldData.Data, singleData...)
+				length, err := eventReader.GetPayloadLengthFromReader()
+				if err != nil {
+					return -1, -1, nil, err
+				}
+				doubleFieldData.NumRows += length
+				resultData.Data[fieldID] = doubleFieldData
+			case schemapb.DataType_STRING:
+				if resultData.Data[fieldID] == nil {
+					resultData.Data[fieldID] = &StringFieldData{}
+				}
+				stringFieldData := resultData.Data[fieldID].(*StringFieldData)
+				length, err := eventReader.GetPayloadLengthFromReader()
+				if err != nil {
+					return -1, -1, nil, err
+				}
+				stringFieldData.NumRows += length
+				for i := 0; i < length; i++ {
+					singleString, err := eventReader.GetOneStringFromPayload(i)
+					if err != nil {
+						return -1, -1, nil, err
+					}
+					stringFieldData.Data = append(stringFieldData.Data, singleString)
+				}
+				resultData.Data[fieldID] = stringFieldData
+			case schemapb.DataType_VECTOR_BINARY:
+				if resultData.Data[fieldID] == nil {
+					resultData.Data[fieldID] = &BinaryVectorFieldData{}
+				}
+				binaryVectorFieldData := resultData.Data[fieldID].(*BinaryVectorFieldData)
+				var singleData []byte
+				singleData, binaryVectorFieldData.Dim, err = eventReader.GetBinaryVectorFromPayload()
+				if err != nil {
+					return -1, -1, nil, err
+				}
+				binaryVectorFieldData.Data = append(binaryVectorFieldData.Data, singleData...)
+				length, err := eventReader.GetPayloadLengthFromReader()
+				if err != nil {
+					return -1, -1, nil, err
+				}
+				binaryVectorFieldData.NumRows += length
+				resultData.Data[fieldID] = binaryVectorFieldData
+			case schemapb.DataType_VECTOR_FLOAT:
+				if resultData.Data[fieldID] == nil {
+					resultData.Data[fieldID] = &FloatVectorFieldData{}
+				}
+				floatVectorFieldData := resultData.Data[fieldID].(*FloatVectorFieldData)
+				var singleData []float32
+				singleData, floatVectorFieldData.Dim, err = eventReader.GetFloatVectorFromPayload()
+				if err != nil {
+					return -1, -1, nil, err
+				}
+				floatVectorFieldData.Data = append(floatVectorFieldData.Data, singleData...)
+				length, err := eventReader.GetPayloadLengthFromReader()
+				if err != nil {
+					return -1, -1, nil, err
+				}
+				floatVectorFieldData.NumRows += length
+				resultData.Data[fieldID] = floatVectorFieldData
+			default:
+				return -1, -1, nil, errors.Errorf("undefined data type %d", dataType)
 			}
-			floatVectorFieldData.NumRows = len(floatVectorFieldData.Data) / 8
-			resultData.Data[fieldID] = floatVectorFieldData
-			insertCodec.readerCloseFunc = append(insertCodec.readerCloseFunc, readerClose(binlogReader))
-		default:
-			return -1, -1, nil, errors.Errorf("undefined data type %d", dataType)
 		}
+		insertCodec.readerCloseFunc = append(insertCodec.readerCloseFunc, readerClose(binlogReader))
 	}
 
-	return pID, sID, &resultData, nil
+	return pID, sID, resultData, nil
 }
 
 func (insertCodec *InsertCodec) Close() error {
@@ -436,8 +498,8 @@ func (dataDefinitionCodec *DataDefinitionCodec) Serialize(ts []Timestamp, ddRequ
 		return nil, err
 	}
 	blobs = append(blobs, &Blob{
-		key:   "",
-		value: buffer,
+		Key:   "",
+		Value: buffer,
 	})
 
 	writer, err = NewDDLBinlogWriter(schemapb.DataType_INT64, dataDefinitionCodec.Schema.ID)
@@ -470,8 +532,8 @@ func (dataDefinitionCodec *DataDefinitionCodec) Serialize(ts []Timestamp, ddRequ
 		return nil, err
 	}
 	blobs = append(blobs, &Blob{
-		key:   "",
-		value: buffer,
+		Key:   "",
+		Value: buffer,
 	})
 
 	return blobs, nil
@@ -487,37 +549,35 @@ func (dataDefinitionCodec *DataDefinitionCodec) Deserialize(blobs []*Blob) (ts [
 	}
 	var requestsStrings []string
 	var resultTs []Timestamp
-	for _, blob := range blobs {
-		binlogReader, err := NewBinlogReader(blob.value)
+
+	var blobList BlobList = blobs
+	sort.Sort(blobList)
+
+	for _, blob := range blobList {
+		binlogReader, err := NewBinlogReader(blob.Value)
 		if err != nil {
 			return nil, nil, err
 		}
 		dataType := binlogReader.PayloadDataType
 
-		switch dataType {
-		case schemapb.DataType_INT64:
+		for {
 			eventReader, err := binlogReader.NextEventReader()
 			if err != nil {
 				return nil, nil, err
 			}
-			int64Ts, err := eventReader.GetInt64FromPayload()
-			if err != nil {
-				return nil, nil, err
-			}
-			for _, singleTs := range int64Ts {
-				resultTs = append(resultTs, Timestamp(singleTs))
-			}
-			dataDefinitionCodec.readerCloseFunc = append(dataDefinitionCodec.readerCloseFunc, readerClose(binlogReader))
-		case schemapb.DataType_STRING:
-			binlogReader, err := NewBinlogReader(blob.value)
-			if err != nil {
-				return nil, nil, err
+			if eventReader == nil {
+				break
 			}
-			eventReader, err := binlogReader.NextEventReader()
-			if err != nil {
-				return nil, nil, err
-			}
-			for eventReader != nil {
+			switch dataType {
+			case schemapb.DataType_INT64:
+				int64Ts, err := eventReader.GetInt64FromPayload()
+				if err != nil {
+					return nil, nil, err
+				}
+				for _, singleTs := range int64Ts {
+					resultTs = append(resultTs, Timestamp(singleTs))
+				}
+			case schemapb.DataType_STRING:
 				length, err := eventReader.GetPayloadLengthFromReader()
 				if err != nil {
 					return nil, nil, err
@@ -529,14 +589,10 @@ func (dataDefinitionCodec *DataDefinitionCodec) Deserialize(blobs []*Blob) (ts [
 					}
 					requestsStrings = append(requestsStrings, singleString)
 				}
-				eventReader, err = binlogReader.NextEventReader()
-				if err != nil {
-					return nil, nil, err
-				}
 			}
-			dataDefinitionCodec.readerCloseFunc = append(dataDefinitionCodec.readerCloseFunc, readerClose(binlogReader))
 		}
 
+		dataDefinitionCodec.readerCloseFunc = append(dataDefinitionCodec.readerCloseFunc, readerClose(binlogReader))
 	}
 
 	return resultTs, requestsStrings, nil
diff --git a/internal/storage/data_codec_test.go b/internal/storage/data_codec_test.go
index aee282a37..8a112ec7b 100644
--- a/internal/storage/data_codec_test.go
+++ b/internal/storage/data_codec_test.go
@@ -1,6 +1,7 @@
 package storage
 
 import (
+	"fmt"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -23,6 +24,13 @@ func TestInsertCodec(t *testing.T) {
 				Description: "schema",
 				AutoID:      true,
 				Fields: []*schemapb.FieldSchema{
+					{
+						FieldID:      0,
+						Name:         "row_id",
+						IsPrimaryKey: false,
+						Description:  "row_id",
+						DataType:     schemapb.DataType_INT64,
+					},
 					{
 						FieldID:      1,
 						Name:         "Ts",
@@ -108,63 +116,155 @@ func TestInsertCodec(t *testing.T) {
 		base,
 		make([]func() error, 0),
 	}
-	insertData := &InsertData{
+	insertDataFirst := &InsertData{
+		Data: map[int64]FieldData{
+			0: &Int64FieldData{
+				NumRows: 2,
+				Data:    []int64{3, 4},
+			},
+			1: &Int64FieldData{
+				NumRows: 2,
+				Data:    []int64{3, 4},
+			},
+			100: &BoolFieldData{
+				NumRows: 2,
+				Data:    []bool{true, false},
+			},
+			101: &Int8FieldData{
+				NumRows: 2,
+				Data:    []int8{3, 4},
+			},
+			102: &Int16FieldData{
+				NumRows: 2,
+				Data:    []int16{3, 4},
+			},
+			103: &Int32FieldData{
+				NumRows: 2,
+				Data:    []int32{3, 4},
+			},
+			104: &Int64FieldData{
+				NumRows: 2,
+				Data:    []int64{3, 4},
+			},
+			105: &FloatFieldData{
+				NumRows: 2,
+				Data:    []float32{3, 4},
+			},
+			106: &DoubleFieldData{
+				NumRows: 2,
+				Data:    []float64{3, 4},
+			},
+			107: &StringFieldData{
+				NumRows: 2,
+				Data:    []string{"3", "4"},
+			},
+			108: &BinaryVectorFieldData{
+				NumRows: 2,
+				Data:    []byte{0, 255},
+				Dim:     8,
+			},
+			109: &FloatVectorFieldData{
+				NumRows: 2,
+				Data:    []float32{0, 1, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3, 4, 5, 6, 7},
+				Dim:     8,
+			},
+		},
+	}
+
+	insertDataSecond := &InsertData{
 		Data: map[int64]FieldData{
-			1: Int64FieldData{
+			0: &Int64FieldData{
+				NumRows: 2,
+				Data:    []int64{1, 2},
+			},
+			1: &Int64FieldData{
 				NumRows: 2,
 				Data:    []int64{1, 2},
 			},
-			100: BoolFieldData{
+			100: &BoolFieldData{
 				NumRows: 2,
 				Data:    []bool{true, false},
 			},
-			101: Int8FieldData{
+			101: &Int8FieldData{
 				NumRows: 2,
 				Data:    []int8{1, 2},
 			},
-			102: Int16FieldData{
+			102: &Int16FieldData{
 				NumRows: 2,
 				Data:    []int16{1, 2},
 			},
-			103: Int32FieldData{
+			103: &Int32FieldData{
 				NumRows: 2,
 				Data:    []int32{1, 2},
 			},
-			104: Int64FieldData{
+			104: &Int64FieldData{
 				NumRows: 2,
 				Data:    []int64{1, 2},
 			},
-			105: FloatFieldData{
+			105: &FloatFieldData{
 				NumRows: 2,
 				Data:    []float32{1, 2},
 			},
-			106: DoubleFieldData{
+			106: &DoubleFieldData{
 				NumRows: 2,
 				Data:    []float64{1, 2},
 			},
-			107: StringFieldData{
+			107: &StringFieldData{
 				NumRows: 2,
 				Data:    []string{"1", "2"},
 			},
-			108: BinaryVectorFieldData{
-				NumRows: 8,
-				Data:    []byte{0, 255, 0, 1, 0, 1, 0, 1},
+			108: &BinaryVectorFieldData{
+				NumRows: 2,
+				Data:    []byte{0, 255},
 				Dim:     8,
 			},
-			109: FloatVectorFieldData{
-				NumRows: 1,
-				Data:    []float32{0, 1, 2, 3, 4, 5, 6, 7},
+			109: &FloatVectorFieldData{
+				NumRows: 2,
+				Data:    []float32{0, 1, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3, 4, 5, 6, 7},
 				Dim:     8,
 			},
 		},
 	}
-	blobs, err := insertCodec.Serialize(1, 1, insertData)
+	firstBlobs, err := insertCodec.Serialize(1, 1, insertDataFirst)
 	assert.Nil(t, err)
-	partitionID, segmentID, resultData, err := insertCodec.Deserialize(blobs)
+	for _, blob := range firstBlobs {
+		blob.Key = fmt.Sprintf("1/insert_log/2/3/4/5/%d", 100)
+	}
+	secondBlobs, err := insertCodec.Serialize(1, 1, insertDataSecond)
 	assert.Nil(t, err)
-	assert.Equal(t, partitionID, int64(1))
-	assert.Equal(t, segmentID, int64(1))
-	assert.Equal(t, resultData, insertData)
+	for _, blob := range secondBlobs {
+		blob.Key = fmt.Sprintf("1/insert_log/2/3/4/5/%d", 99)
+	}
+	resultBlobs := append(firstBlobs, secondBlobs...)
+	partitionID, segmentID, resultData, err := insertCodec.Deserialize(resultBlobs)
+	assert.Nil(t, err)
+	assert.Equal(t, int64(1), partitionID)
+	assert.Equal(t, int64(1), segmentID)
+	assert.Equal(t, 4, resultData.Data[0].(*Int64FieldData).NumRows)
+	assert.Equal(t, 4, resultData.Data[1].(*Int64FieldData).NumRows)
+	assert.Equal(t, 4, resultData.Data[100].(*BoolFieldData).NumRows)
+	assert.Equal(t, 4, resultData.Data[101].(*Int8FieldData).NumRows)
+	assert.Equal(t, 4, resultData.Data[102].(*Int16FieldData).NumRows)
+	assert.Equal(t, 4, resultData.Data[103].(*Int32FieldData).NumRows)
+	assert.Equal(t, 4, resultData.Data[104].(*Int64FieldData).NumRows)
+	assert.Equal(t, 4, resultData.Data[105].(*FloatFieldData).NumRows)
+	assert.Equal(t, 4, resultData.Data[106].(*DoubleFieldData).NumRows)
+	assert.Equal(t, 4, resultData.Data[107].(*StringFieldData).NumRows)
+	assert.Equal(t, 4, resultData.Data[108].(*BinaryVectorFieldData).NumRows)
+	assert.Equal(t, 4, resultData.Data[109].(*FloatVectorFieldData).NumRows)
+	assert.Equal(t, []int64{1, 2, 3, 4}, resultData.Data[0].(*Int64FieldData).Data)
+	assert.Equal(t, []int64{1, 2, 3, 4}, resultData.Data[1].(*Int64FieldData).Data)
+	assert.Equal(t, []bool{true, false, true, false}, resultData.Data[100].(*BoolFieldData).Data)
+	assert.Equal(t, []int8{1, 2, 3, 4}, resultData.Data[101].(*Int8FieldData).Data)
+	assert.Equal(t, []int16{1, 2, 3, 4}, resultData.Data[102].(*Int16FieldData).Data)
+	assert.Equal(t, []int32{1, 2, 3, 4}, resultData.Data[103].(*Int32FieldData).Data)
+	assert.Equal(t, []int64{1, 2, 3, 4}, resultData.Data[104].(*Int64FieldData).Data)
+	assert.Equal(t, []float32{1, 2, 3, 4}, resultData.Data[105].(*FloatFieldData).Data)
+	assert.Equal(t, []float64{1, 2, 3, 4}, resultData.Data[106].(*DoubleFieldData).Data)
+	assert.Equal(t, []string{"1", "2", "3", "4"}, resultData.Data[107].(*StringFieldData).Data)
+	assert.Equal(t, []byte{0, 255, 0, 255}, resultData.Data[108].(*BinaryVectorFieldData).Data)
+	assert.Equal(t, []float32{0, 1, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3, 4, 5, 6, 7},
+		resultData.Data[109].(*FloatVectorFieldData).Data)
 	assert.Nil(t, insertCodec.Close())
 }
 func TestDDCodec(t *testing.T) {
@@ -240,6 +340,9 @@ func TestDDCodec(t *testing.T) {
 	}
 	blobs, err := dataDefinitionCodec.Serialize(ts, ddRequests, eventTypeCodes)
 	assert.Nil(t, err)
+	for _, blob := range blobs {
+		blob.Key = fmt.Sprintf("1/data_definition/3/4/5/%d", 99)
+	}
 	resultTs, resultRequests, err := dataDefinitionCodec.Deserialize(blobs)
 	assert.Nil(t, err)
 	assert.Equal(t, resultTs, ts)
-- 
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