is there somthing like proxy_request_buffering in grpc module?

like grpc_request_buffering? nginx listen on http2 and grpc_pass to grpc server, but grpc_next_stream cant work like expect. Posted at Nginx Forum: https://forum.nginx.org/read.php?2,280208,280208#msg-280208 ___ nginx mailing list nginx@nginx.org ht

Re: nginx sometimes close connection to grpc upstream when keepalive is set

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 sometimes close connection to grpc upstream when keepalive is set

when grpc server response SETTINGS[0], WINDOW_UPDATE[0], PING[0], HEADERS[1], DATA[1], HEADERS[1] in one tcp packet, nginx want to send settings ack and call function ngx_http_grpc_send_settings_ack, write some data in ctx->out when finalize upstream grpc request, because out != NULL, nginx ca