Created by: ccmeteorljh

cloud地址： http://paddlecloud.baidu-int.com:8088/paddle/jobRunInfo?jobId=job-e6c5b90b17248221&flag=jobs&groupName=paddle&groupId=2b984db1-5c29-5951-b4ee-11da61ccb0a5&currentPage=1&currentKey=1 ctr模型30个trainer，pserver下运行出现下面报错

E0906 15:30:22.608559887   39329 chttp2_transport.cc:1098]   Received a GOAWAY with error code ENHANCE_YOUR_CALM and debug data equal to "too_many_pings"
Thu Sep  6 15:30:22 2018[1,12]<stdout>:F0906 15:30:22.608754 39329 grpc_client.cc:295] Send name:[emb@GRAD.trainer_12.pserver_11], ep:[10.89.223.28:8002] meets grpc error:Too many pings
Thu Sep  6 15:30:22 2018[1,12]<stdout>:*** Check failure stack trace: ***
Thu Sep  6 15:30:22 2018[1,12]<stdout>:    @     0x7f570be4201d  google::LogMessage::Fail()
Thu Sep  6 15:30:22 2018[1,12]<stdout>:    @     0x7f570be45acc  google::LogMessage::SendToLog()
Thu Sep  6 15:30:22 2018[1,12]<stdout>:    @     0x7f570be41b43  google::LogMessage::Flush()
Thu Sep  6 15:30:22 2018[1,12]<stdout>:    @     0x7f570be46fde  google::LogMessageFatal::~LogMessageFatal()
Thu Sep  6 15:30:22 2018[1,12]<stdout>:    @     0x7f570c6d3148  paddle::operators::distributed::GRPCClient::Proceed()
Thu Sep  6 15:30:22 2018[1,12]<stdout>:    @     0x7f57198d38a0  execute_native_thread_routine
Thu Sep  6 15:30:22 2018[1,12]<stdout>:    @     0x7f57268631c3  start_thread
Thu Sep  6 15:30:22 2018[1,12]<stdout>:    @     0x7f5725e8b12d  __clone
Thu Sep  6 15:30:22 2018[1,12]<stdout>:    @              (nil)  (unknown)