diff --git a/lib/pos_update_upsolution.py b/lib/pos_update_upsolution.py
index 29e6022..7edc385 100644
--- a/lib/pos_update_upsolution.py
+++ b/lib/pos_update_upsolution.py
@@ -70,27 +70,32 @@ def prepare_bulk_data(df):
     return bulk_data
 
 
-def process_bulk_upsert(bulk_data, session, table):
+def process_bulk_upsert(bulk_data, session, table, batch_size=1000):
     if not bulk_data:
         logger.info("[INFO] 삽입할 데이터가 없습니다.")
         return
 
-    insert_stmt = mysql_insert(table).values(bulk_data)
+    total = len(bulk_data)
+    inserted_total = 0
 
-    update_cols = {c.name: insert_stmt.inserted[c.name] for c in table.columns
-                   if c.name not in ['sale_date', 'shop_name', 'pos_no', 'bill_no', 'product_cd']}
+    for start in range(0, total, batch_size):
+        batch = bulk_data[start:start+batch_size]
+        insert_stmt = mysql_insert(table).values(batch)
+        update_cols = {c.name: insert_stmt.inserted[c.name] for c in table.columns
+                       if c.name not in ['sale_date', 'shop_name', 'pos_no', 'bill_no', 'product_cd']}
+        upsert_stmt = insert_stmt.on_duplicate_key_update(update_cols)
 
-    upsert_stmt = insert_stmt.on_duplicate_key_update(update_cols)
-
-    try:
-        result = session.execute(upsert_stmt)
-        session.commit()
-        logger.info(f"[DONE] 총 {len(bulk_data)}건 처리 완료 (insert+update)")
-    except SQLAlchemyError as e:
-        session.rollback()
-        logger.error(f"[FAIL] bulk upsert 실패: {e}")
-        raise
+        try:
+            result = session.execute(upsert_stmt)
+            session.commit()
+            inserted_total += len(batch)
+            logger.info(f"[PROGRESS] {inserted_total} / {total} 건 처리 완료")
+        except SQLAlchemyError as e:
+            session.rollback()
+            logger.error(f"[FAIL] batch upsert 실패: {e}")
+            raise
 
+    logger.info(f"[DONE] 총 {total}건 처리 완료 (insert+update)")
 
 def file_reader(queue, files):
     for filepath in files: