feat(stress-test): add comprehensive stress testing suite using Locust (#25617)

Signed-off-by: -LAN- <laipz8200@outlook.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/core/tools/utils/yaml_utils.py

@@ -1,4 +1,5 @@
 import logging
+from functools import lru_cache
 from pathlib import Path
 from typing import Any
 
@@ -8,28 +9,25 @@ from yaml import YAMLError
 logger = logging.getLogger(__name__)
 
 
-def load_yaml_file(file_path: str, ignore_error: bool = True, default_value: Any = {}):
-    """
-    Safe loading a YAML file
-    :param file_path: the path of the YAML file
-    :param ignore_error:
-        if True, return default_value if error occurs and the error will be logged in debug level
-        if False, raise error if error occurs
-    :param default_value: the value returned when errors ignored
-    :return: an object of the YAML content
-    """
+def _load_yaml_file(*, file_path: str):
     if not file_path or not Path(file_path).exists():
-        if ignore_error:
-            return default_value
-        else:
-            raise FileNotFoundError(f"File not found: {file_path}")
+        raise FileNotFoundError(f"File not found: {file_path}")
 
     with open(file_path, encoding="utf-8") as yaml_file:
         try:
             yaml_content = yaml.safe_load(yaml_file)
-            return yaml_content or default_value
+            return yaml_content
         except Exception as e:
-            if ignore_error:
-                return default_value
-            else:
-                raise YAMLError(f"Failed to load YAML file {file_path}: {e}") from e
+            raise YAMLError(f"Failed to load YAML file {file_path}: {e}") from e
+
+
+@lru_cache(maxsize=128)
+def load_yaml_file_cached(file_path: str) -> Any:
+    """
+    Cached version of load_yaml_file for static configuration files.
+    Only use for files that don't change during runtime (e.g., position files)
+
+    :param file_path: the path of the YAML file
+    :return: an object of the YAML content
+    """
+    return _load_yaml_file(file_path=file_path)