ENA network performance looks fine in linux-aws 4.4.0-1005.14:
client: m4.16xlarge // ens3: ena 1.1.2 // 4.4.0-1005-aws #14-Ubuntu server: m4.16xlarge // ens3: ena 1.1.2 // 4.4.0-1005-aws #14-Ubuntu $ nuttcp -i10 -T30 -N5 ip-172-31-39-115 22699.6250 MB / 10.00 sec = 19041.4866 Mbps 23769.0000 MB / 10.00 sec = 19939.0977 Mbps 23597.8125 MB / 10.00 sec = 19795.2779 Mbps
70098.7500 MB / 30.01 sec = 19594.4566 Mbps 75 %TX 97 %RX 0.25 msRTT
ENA network performance looks fine in linux-aws 4.4.0-1005.14:
client: m4.16xlarge // ens3: ena 1.1.2 // 4.4.0-1005-aws #14-Ubuntu
server: m4.16xlarge // ens3: ena 1.1.2 // 4.4.0-1005-aws #14-Ubuntu
$ nuttcp -i10 -T30 -N5 ip-172-31-39-115
22699.6250 MB / 10.00 sec = 19041.4866 Mbps
23769.0000 MB / 10.00 sec = 19939.0977 Mbps
23597.8125 MB / 10.00 sec = 19795.2779 Mbps
70098.7500 MB / 30.01 sec = 19594.4566 Mbps 75 %TX 97 %RX 0.25 msRTT