old_contents: 
  
  FEEDLY_NYDUS_CONFIG = {
      'CONNECTIONS': {
      'redis': {
      'engine': 'nydus.db.backends.redis.Redis',
      'router': 'nydus.db.routers.redis.PrefixPartitionRouter',
      'hosts': {
      0: {'prefix': 'default', 'db': 2, 'host': 'localhost', 'port': 6379},
      12: {'prefix': 'feedly:', 'db': 0, 'host': 'localhost', 'port': 6379},
      13: {'prefix': 'feedly:', 'db': 1, 'host': 'localhost', 'port': 6379},
      14: {'prefix': 'notification:', 'db': 3, 'host': 'localhost', 'port': 6379},
      }
      },
      }
  }
  
  FEEDLY_CASSANDRA_HOSTS = ['localhost']
  FEEDLY_DISCOVER_CASSANDRA_NODES = True
  
new_contents: 
  
  FEEDLY_NYDUS_CONFIG = {
      'CONNECTIONS': {
      'redis': {
      'engine': 'nydus.db.backends.redis.Redis',
      'router': 'nydus.db.routers.redis.PrefixPartitionRouter',
      'hosts': {
      0: {'prefix': 'default', 'db': 2, 'host': 'localhost', 'port': 6379},
      12: {'prefix': 'feedly:', 'db': 0, 'host': 'localhost', 'port': 6379},
      13: {'prefix': 'feedly:', 'db': 1, 'host': 'localhost', 'port': 6379},
      14: {'prefix': 'notification:', 'db': 3, 'host': 'localhost', 'port': 6379},
      }
      },
      }
  }
  
  FEEDLY_CASSANDRA_HOSTS = ['localhost']
  FEEDLY_DISCOVER_CASSANDRA_NODES = False
  
subject: disable node discovery by default