diff --git a/get_data_new.py b/get_data_new.py
index 56bc0b0..4ba567c 100644
--- a/get_data_new.py
+++ b/get_data_new.py
@@ -164,8 +164,14 @@ def atomic_write_json(path: str, data: Any) -> None:
     # 1. Готовим данные заранее
     # ensure_ascii=False чтобы не терять юникод, indent=None чтобы не раздувать файл
     payload = json.dumps(data, ensure_ascii=False, separators=(",", ":"))
-    path = "static/" + path + ".json"
-    target = Path(path)
+    full_path = "static/" + path + ".json"
+    try:
+        with open(full_path, "r", encoding="utf-8") as f:
+            if f.read() == payload:
+                return  # ничего не поменялось -> не пишем, не fsync'им
+    except FileNotFoundError:
+        pass
+    target = Path(full_path)
     tmp_fd, tmp_path = tempfile.mkstemp(
         dir=target.parent,
         prefix=target.name + ".tmp.",
@@ -173,7 +179,7 @@ def atomic_write_json(path: str, data: Any) -> None:
     )
     os.close(tmp_fd)  # мы будем писать сами
 
-    lock = _select_lock(path)
+    lock = _select_lock(full_path)
     with lock:
         # 2a. Записываем полностью во временный файл
         with open(tmp_path, "w", encoding="utf-8") as f:
@@ -736,7 +742,7 @@ def render_loop(stop_event: threading.Event, out_name: str = "game") -> None:
             except Exception as ex:
                 logger.exception(f"[RENDER_THREAD] unexpected error: {ex}")
 
-            time.sleep(0.2)
+            time.sleep(1)
 
     logger.info("[RENDER_THREAD] stop render loop")