code: def __init__(self):
      self._band_stid_resources = defaultdict(dict)
      self._band_used_resources = defaultdict(lambda: ZeroResource)
      self._band_idle_start_time = dict()
      self._band_idle_events = dict()
      self._band_total_resources = dict()
      self._cluster_api = None
      self._band_watch_task = None
  
file_path: mars/mars/services/scheduling/supervisor/globalresource.py
imports: import asyncio
  import logging
  import time
  from collections import defaultdict
  from typing import List, DefaultDict, Dict, Tuple
  from ....None import oscar
  from ....resource import Resource, ZeroResource
  from ....typing import BandType
label_desc: Use image node_id 1 to create a new GlobalResourceManagerActor object from inherited base classes: mo with example: obj = GlobalResourceManagerActor()