Update app.py

app.py

@@ -238,12 +238,12 @@ def load_models_and_documents():
         2,
         optimizers_config=models.OptimizersConfigDiff(
             indexing_threshold=0,
-            default_segment_number=8
+            default_segment_number=4
         ),
         hnsw_config=models.HnswConfigDiff(
             on_disk=False, 
-            m=16, 
-            ef_construct=100
+            m=64,
+            ef_construct=512
         )
     )