thanks for your help.
how can i find why nginx can't keep connection in this case. why nginx can no process data and send a settings or ping ack to grpc server? grpc client will do like this. Posted at Nginx Forum: https://forum.nginx.org/read.php?2,280159,280207#msg-280207 _______________________________________________ nginx mailing list nginx@nginx.org http://mailman.nginx.org/mailman/listinfo/nginx