def clear_caches():
  global FS_CACHE, MR_CACHE
  old = FS_CACHE, MR_CACHE
  FS_CACHE, MR_CACHE = None, None
  return old
Clears cluster's internal caches.  Returns
dataset/ETHPy150Open cloudera/hue/desktop/libs/hadoop/src/hadoop/cluster.py/clear_caches