chore(config): optimized celery configuration

rhodecode/lib/celerylib/loader.py

@@ -68,12 +68,14 b' base_celery_config = {'
     'result_expires': 60 * 60 * 24,
     'result_persistent': True,
     'imports': imports,
-    'worker_max_tasks_per_child': 20,
+    'worker_max_tasks_per_child': 100,
+    'worker_hijack_root_logger': False,
+    'worker_prefetch_multiplier': 1,
     'task_serializer': 'msgpack',
     'accept_content': ['json', 'msgpack'],
     'result_serializer': 'msgpack',
     'result_accept_content': ['json', 'msgpack'],
-    'worker_hijack_root_logger': False,
+
     'broker_connection_retry_on_startup': True,
     'database_table_names': {
         'task': 'beat_taskmeta',