dp = ...
dp = dp.sharding_filter()
rs = MultiProcessingReadingService(num_workers=4)
dataloader = DataLoader2(dp, reading_service=rs)

for _ in dataloader:
    pass

dataloader.shutdown()

Exception: Can not expect any response without submitted request
This exception is thrown by __iter__ of _IterateQueueDataPipes(datapipes=[QueueWrapper, QueueWrapper, QueueWrapper, QueueWrapper])