diff --git a/internal/core/src/common/type_c.h b/internal/core/src/common/type_c.h
index 6aeba50689ad7..af751e5da1378 100644
--- a/internal/core/src/common/type_c.h
+++ b/internal/core/src/common/type_c.h
@@ -100,7 +100,7 @@ typedef struct CMmapConfig {
     uint64_t disk_limit;
     uint64_t fix_file_size;
     bool growing_enable_mmap;
-    bool enable_mmap;
+    bool scalar_index_enable_mmap;
 } CMmapConfig;
 
 typedef struct CTraceConfig {
diff --git a/internal/core/src/segcore/SegmentSealedImpl.cpp b/internal/core/src/segcore/SegmentSealedImpl.cpp
index 71e6185c74eb0..da6c0b86cb38f 100644
--- a/internal/core/src/segcore/SegmentSealedImpl.cpp
+++ b/internal/core/src/segcore/SegmentSealedImpl.cpp
@@ -2031,7 +2031,7 @@ SegmentSealedImpl::CreateTextIndex(FieldId field_id) {
     const auto& field_meta = schema_->operator[](field_id);
     auto& cfg = storage::MmapManager::GetInstance().GetMmapConfig();
     std::unique_ptr<index::TextMatchIndex> index;
-    if (!cfg.GetEnableMmap()) {
+    if (!cfg.GetScalarIndexEnableMmap()) {
         // build text index in ram.
         index = std::make_unique<index::TextMatchIndex>(
             std::numeric_limits<int64_t>::max(),
diff --git a/internal/core/src/storage/Types.h b/internal/core/src/storage/Types.h
index e33f5d803f297..cde1484fd1050 100644
--- a/internal/core/src/storage/Types.h
+++ b/internal/core/src/storage/Types.h
@@ -125,7 +125,7 @@ struct MmapConfig {
     uint64_t disk_limit;
     uint64_t fix_file_size;
     bool growing_enable_mmap;
-    bool enable_mmap;
+    bool scalar_index_enable_mmap;
     bool
     GetEnableGrowingMmap() const {
         return growing_enable_mmap;
@@ -135,12 +135,12 @@ struct MmapConfig {
         this->growing_enable_mmap = flag;
     }
     bool
-    GetEnableMmap() const {
-        return enable_mmap;
+    GetScalarIndexEnableMmap() const {
+        return scalar_index_enable_mmap;
     }
     void
-    SetEnableMmap(bool flag) {
-        this->enable_mmap = flag;
+    SetScalarIndexEnableMmap(bool flag) {
+        this->scalar_index_enable_mmap = flag;
     }
     std::string
     GetMmapPath() {
@@ -154,7 +154,8 @@ struct MmapConfig {
            << ", disk_limit=" << disk_limit / (1024 * 1024) << "MB"
            << ", fix_file_size=" << fix_file_size / (1024 * 1024) << "MB"
            << ", growing_enable_mmap=" << std::boolalpha << growing_enable_mmap
-           << ", enable_mmap=" << std::boolalpha << enable_mmap << "]";
+           << ", scalar_index_enable_mmap=" << std::boolalpha
+           << scalar_index_enable_mmap << "]";
         return ss.str();
     }
 };
diff --git a/internal/core/src/storage/storage_c.cpp b/internal/core/src/storage/storage_c.cpp
index 8a337b66fe8fa..bab1e7616425c 100644
--- a/internal/core/src/storage/storage_c.cpp
+++ b/internal/core/src/storage/storage_c.cpp
@@ -95,7 +95,8 @@ InitMmapManager(CMmapConfig c_mmap_config) {
         mmap_config.disk_limit = c_mmap_config.disk_limit;
         mmap_config.fix_file_size = c_mmap_config.fix_file_size;
         mmap_config.growing_enable_mmap = c_mmap_config.growing_enable_mmap;
-        mmap_config.enable_mmap = c_mmap_config.enable_mmap;
+        mmap_config.scalar_index_enable_mmap =
+            c_mmap_config.scalar_index_enable_mmap;
         milvus::storage::MmapManager::GetInstance().Init(mmap_config);
         return milvus::SuccessCStatus();
     } catch (std::exception& e) {
diff --git a/internal/util/initcore/init_core.go b/internal/util/initcore/init_core.go
index 93075073e2603..a43a16e2dcf9d 100644
--- a/internal/util/initcore/init_core.go
+++ b/internal/util/initcore/init_core.go
@@ -181,12 +181,12 @@ func InitMmapManager(params *paramtable.ComponentParam) error {
 	diskLimit := uint64(float64(params.QueryNodeCfg.MaxMmapDiskPercentageForMmapManager.GetAsUint64()*diskCapacity) * 0.01)
 	mmapFileSize := params.QueryNodeCfg.FixedFileSizeForMmapManager.GetAsFloat() * 1024 * 1024
 	mmapConfig := C.CMmapConfig{
-		cache_read_ahead_policy: cCacheReadAheadPolicy,
-		mmap_path:               cMmapChunkManagerDir,
-		disk_limit:              C.uint64_t(diskLimit),
-		fix_file_size:           C.uint64_t(mmapFileSize),
-		growing_enable_mmap:     C.bool(params.QueryNodeCfg.GrowingMmapEnabled.GetAsBool()),
-		enable_mmap:             C.bool(params.QueryNodeCfg.MmapEnabled.GetAsBool()),
+		cache_read_ahead_policy:  cCacheReadAheadPolicy,
+		mmap_path:                cMmapChunkManagerDir,
+		disk_limit:               C.uint64_t(diskLimit),
+		fix_file_size:            C.uint64_t(mmapFileSize),
+		growing_enable_mmap:      C.bool(params.QueryNodeCfg.GrowingMmapEnabled.GetAsBool()),
+		scalar_index_enable_mmap: C.bool(params.QueryNodeCfg.MmapScalarIndex.GetAsBool()),
 	}
 	status := C.InitMmapManager(mmapConfig)
 	return HandleCStatus(&status, "InitMmapManager failed")