diff --git a/src/sql/das/ob_das_scan_op.cpp b/src/sql/das/ob_das_scan_op.cpp
index 057703c9ae..c0f0fdba51 100644
--- a/src/sql/das/ob_das_scan_op.cpp
+++ b/src/sql/das/ob_das_scan_op.cpp
@@ -1121,7 +1121,11 @@ ObDASScanResult::ObDASScanResult()
     eval_ctx_(nullptr),
     extra_result_(nullptr),
     need_check_output_datum_(false),
-    enable_rich_format_(false)
+    enable_rich_format_(false),
+    io_read_bytes_(0),
+    ssstore_read_bytes_(0),
+    ssstore_read_row_cnt_(0),
+    memstore_read_row_cnt_(0)
 {
 }
 
@@ -1271,7 +1275,11 @@ int ObDASScanResult::link_extra_result(ObDASExtraData &extra_result)
 OB_SERIALIZE_MEMBER((ObDASScanResult, ObIDASTaskResult),
                     datum_store_,
                     enable_rich_format_,
-                    vec_row_store_);
+                    vec_row_store_,
+                    io_read_bytes_,
+                    ssstore_read_bytes_,
+                    ssstore_read_row_cnt_,
+                    memstore_read_row_cnt_);
 
 ObLocalIndexLookupOp::~ObLocalIndexLookupOp()
 {
diff --git a/src/sql/das/ob_das_scan_op.h b/src/sql/das/ob_das_scan_op.h
index cf6b7fe6d2..60776225b7 100644
--- a/src/sql/das/ob_das_scan_op.h
+++ b/src/sql/das/ob_das_scan_op.h
@@ -291,7 +291,11 @@ public:
                        K_(datum_store),
                        KPC_(output_exprs),
                        K_(enable_rich_format),
-                       K_(vec_row_store));
+                       K_(vec_row_store),
+                       K_(io_read_bytes),
+                       K_(ssstore_read_bytes),
+                       K_(ssstore_read_row_cnt),
+                       K_(memstore_read_row_cnt));
 private:
   ObChunkDatumStore datum_store_;
   ObChunkDatumStore::Iterator result_iter_;
@@ -302,6 +306,10 @@ private:
   ObDASExtraData *extra_result_;
   bool need_check_output_datum_;
   bool enable_rich_format_;
+  int64_t io_read_bytes_;
+  int64_t ssstore_read_bytes_;
+  int64_t ssstore_read_row_cnt_;
+  int64_t memstore_read_row_cnt_;
 };
 
 class ObLocalIndexLookupOp : public common::ObNewRowIterator, public ObIndexLookupOpImpl
diff --git a/src/sql/das/ob_das_task.cpp b/src/sql/das/ob_das_task.cpp
index a88e06968c..192ebfba0b 100644
--- a/src/sql/das/ob_das_task.cpp
+++ b/src/sql/das/ob_das_task.cpp
@@ -619,7 +619,11 @@ int ObDASDataEraseReq::init(const uint64_t tenant_id, const int64_t task_id)
 OB_SERIALIZE_MEMBER(ObDASDataFetchRes,
                     datum_store_,
                     tenant_id_, task_id_, has_more_,
-                    enable_rich_format_, vec_row_store_);
+                    enable_rich_format_, vec_row_store_,
+                    io_read_bytes_,
+                    ssstore_read_bytes_,
+                    ssstore_read_row_cnt_,
+                    memstore_read_row_cnt_);
 
 ObDASDataFetchRes::ObDASDataFetchRes()
         : datum_store_("DASDataFetch"),
@@ -627,7 +631,11 @@ ObDASDataFetchRes::ObDASDataFetchRes()
           task_id_(0),
           has_more_(false),
           enable_rich_format_(false),
-          vec_row_store_()
+          vec_row_store_(),
+          io_read_bytes_(0),
+          ssstore_read_bytes_(0),
+          ssstore_read_row_cnt_(0),
+          memstore_read_row_cnt_(0)
 {
 }
 
diff --git a/src/sql/das/ob_das_task.h b/src/sql/das/ob_das_task.h
index 56ec19994f..385057c63f 100644
--- a/src/sql/das/ob_das_task.h
+++ b/src/sql/das/ob_das_task.h
@@ -566,7 +566,9 @@ public:
   void set_has_more(const bool has_more) { has_more_ = has_more; }
   bool has_more() { return has_more_; }
   int64_t get_task_id() const { return task_id_; }
-  TO_STRING_KV(K_(tenant_id), K_(task_id), K_(has_more), K_(datum_store));
+  TO_STRING_KV(K_(tenant_id), K_(task_id), K_(has_more), K_(datum_store),
+               K_(io_read_bytes), K_(ssstore_read_bytes),
+               K_(ssstore_read_row_cnt), K_(memstore_read_row_cnt));
 private:
   ObChunkDatumStore datum_store_;
   uint64_t tenant_id_;
@@ -574,6 +576,10 @@ private:
   bool has_more_;
   bool enable_rich_format_;
   ObTempRowStore vec_row_store_;
+  int64_t io_read_bytes_;
+  int64_t ssstore_read_bytes_;
+  int64_t ssstore_read_row_cnt_;
+  int64_t memstore_read_row_cnt_;
 };
 
 class ObDASDataEraseReq