change

milvus_manager.py

@@ -50,13 +50,10 @@ class MilvusManager:
 
         index_params.add_index(
             field_name="vector",
+            metric_type="COSINE",
+            index_type="IVF_FLAT",
             index_name="vector_index",
-            index_type="HNSW", #use HNSW option if got more mem, if not use IVF for faster processing
-            metric_type=os.environ["metrictype"], #"IP"
-            params={
-                "M": int(os.environ["mnum"]), #M:16 for HNSW, capital M
-                "efConstruction": int(os.environ["efnum"]), #500 for HNSW
-            },
+            params={ "nlist": 128 }
         )
 
         self.client.create_index(