diff --git a/internal/core/src/index/VectorMemIndex.cpp b/internal/core/src/index/VectorMemIndex.cpp
index cff4330a12..c5822bc91c 100644
--- a/internal/core/src/index/VectorMemIndex.cpp
+++ b/internal/core/src/index/VectorMemIndex.cpp
@@ -305,18 +305,26 @@ VectorMemIndex<T>::BuildWithDataset(const DatasetPtr& dataset,
     SetDim(dataset->GetDim());
 
     knowhere::TimeRecorder rc("BuildWithoutIds", 1);
+    LOG_INFO("start build memory index with KNOWHERE, build_id: {}",
+             config.value("build_id", "unknown"));
     auto stat = index_.Build(dataset, index_config, use_knowhere_build_pool_);
     if (stat != knowhere::Status::success)
         ThrowInfo(ErrorCode::IndexBuildError,
                   "failed to build index, " + KnowhereStatusString(stat));
     rc.ElapseFromBegin("Done");
+    LOG_INFO("build memory index with KNOWHERE done, build_id: {}",
+             config.value("build_id", "unknown"));
     SetDim(index_.Dim());
 }
 
 template <typename T>
 void
 VectorMemIndex<T>::Build(const Config& config) {
+    LOG_INFO("start build memory index, build_id: {}",
+             config.value("build_id", "unknown"));
     auto field_datas = file_manager_->CacheRawDataToMemory(config);
+    LOG_INFO("CacheRawDataToMemory success, build_id: {}",
+             config.value("build_id", "unknown"));
     auto opt_fields = GetValueFromConfig<OptFieldT>(config, VEC_OPT_FIELDS);
     std::unordered_map<int64_t, std::vector<std::vector<uint32_t>>> scalar_info;
     auto is_partition_key_isolation =
diff --git a/internal/core/src/indexbuilder/VecIndexCreator.cpp b/internal/core/src/indexbuilder/VecIndexCreator.cpp
index de3bd2ddd0..79ce9049dd 100644
--- a/internal/core/src/indexbuilder/VecIndexCreator.cpp
+++ b/internal/core/src/indexbuilder/VecIndexCreator.cpp
@@ -41,6 +41,9 @@ VecIndexCreator::VecIndexCreator(
         config_[DIM_KEY] = file_manager_context.indexMeta.dim;
     }
 
+    config_["build_id"] =
+        std::to_string(file_manager_context.indexMeta.build_id);
+
     index::CreateIndexInfo index_info;
     index_info.field_type = data_type_;
     index_info.index_type = index::GetIndexTypeFromConfig(config_);
diff --git a/internal/core/src/indexbuilder/index_c.cpp b/internal/core/src/indexbuilder/index_c.cpp
index 46bce33b93..79e854effe 100644
--- a/internal/core/src/indexbuilder/index_c.cpp
+++ b/internal/core/src/indexbuilder/index_c.cpp
@@ -243,7 +243,11 @@ CreateIndex(CIndex* res_index,
             index_non_encoding};
         auto chunk_manager =
             milvus::storage::CreateChunkManager(storage_config);
+        LOG_INFO("create chunk manager success, build_id: {}",
+                 build_index_info->buildid());
         auto fs = milvus::storage::InitArrowFileSystem(storage_config);
+        LOG_INFO("init arrow file system success, build_id: {}",
+                 build_index_info->buildid());
 
         milvus::storage::FileManagerContext fileManagerContext(
             field_meta, index_meta, chunk_manager, fs);
@@ -268,7 +272,10 @@ CreateIndex(CIndex* res_index,
         auto index =
             milvus::indexbuilder::IndexFactory::GetInstance().CreateIndex(
                 field_type, config, fileManagerContext);
+        LOG_INFO("create index instance success, build_id: {}",
+                 build_index_info->buildid());
         index->Build();
+        LOG_INFO("build index done, build_id: {}", build_index_info->buildid());
         *res_index = index.release();
         auto status = CStatus();
         status.error_code = Success;