Add env variable governing usearch index behavior

config/config.py

@@ -20,6 +20,7 @@
 use_faiss_indexes = bool(int(os.environ.get('USE_FAISS_INDEXES')))
 use_annoy_indexes = bool(int(os.environ.get('USE_ANNOY_INDEXES')))
 use_usearch_indexes = bool(int(os.environ.get('USE_USEARCH_INDEXES')))
+load_usearch_indexes_in_memory = bool(int(os.environ.get('LOAD_USEARCH_INDEXES_IN_MEMORY')))
 
 if not (use_faiss_indexes or use_annoy_indexes or use_usearch_indexes):
     print('Bad config! At least one index type must be activated.')

core/indexes.py

@@ -266,7 +266,10 @@ def __init__(self, dims, metric):
 
     def read_from_files(self, index_file, json_file, name=None):
         index = usearch.index.Index(ndim=self._dims, metric=self._metric)
-        index.view(index_file)
+        if config.load_usearch_indexes_in_memory:
+            index.load(index_file)
+        else:
+            index.view(index_file)
         items = self._get_items_from_json(json_file)
         item_resolver = items.__getitem__
         return USearchIndex(index, item_resolver, name)

env

@@ -19,6 +19,7 @@ INCOMING_EXT=0
 USE_FAISS_INDEXES=1
 USE_ANNOY_INDEXES=1
 USE_USEARCH_INDEXES=1
+LOAD_USEARCH_INDEXES_IN_MEMORY=0
 TOKEN_AUTHENTICATION=0
 PLUGINS="miniapps"
 YEAR_WISE_INDEXES=1