turn off log (#1895)

python/sglang/srt/server.py

@@ -738,6 +738,12 @@ class Engine:
         # before python program terminates, call shutdown implicitly. Therefore, users don't have to explicitly call .shutdown()
         atexit.register(self.shutdown)
         
+        # runtime server default log level is log
+        # offline engine works in scripts, so we set it to error
+
+        if 'log_level' not in kwargs:
+            kwargs['log_level'] = 'error'
+
         server_args = ServerArgs(*args, **kwargs)
         launch_engine(server_args=server_args)