paddlecloud Trainer报错，meets grpc error, error_code:
Created by: sshilei
F0821 08:28:45.851277 2464 grpc_client.cc:414] FetchBarrierRPC name:[FETCH_BARRIER@RECV], ep:[10.89.140.19:30010], status:[-1] meets grpc error, error_code:4 error_message:Deadline Exceeded error_details:
* Check failure stack trace: *
@ 0x7f495d9797ed google::LogMessage::Fail()
@ 0x7f495d97d29c google::LogMessage::SendToLog()
@ 0x7f495d979313 google::LogMessage::Flush()
@ 0x7f495d97e7ae google::LogMessageFatal::~LogMessageFatal()
@ 0x7f495e6ccb0e paddle::operators::distributed::GRPCClient::Proceed()
@ 0x7f496c5d8470 (unknown)
@ 0x7f4a207aeaa1 start_thread
@ 0x7f4a1fe70c4d clone
@ (nil) (unknown)
Traceback (most recent call last):
File "frame/core/dataset_reader.py", line 59, in
dataset_reader.run_from_stdin()
File "/usr/local/lib/python2.7/site-packages/paddle/fluid/incubate/data_generator/init.py", line 135, in run_from_stdin
sys.stdout.write(self._gen_str(sample))
IOError: [Errno 32] Broken pipe
