Is there any capability for Mikrotik to improve this ?
AR8327 - small Packet Buffer - only 1Mbit (128kB) for all ports.
Tests:
TCP connection established.
Packet size 1k bytes: 71.78 MByte/s Tx, 63.70 MByte/s Rx.
Packet size 2k bytes: 73.76 MByte/s Tx, 64.85 MByte/s Rx.
Packet size 4k bytes: 73.08 MByte/s Tx, 64.06 MByte/s Rx.
Packet size 8k bytes: 72.79 MByte/s Tx, 61.11 MByte/s Rx.
Packet size 16k bytes: 74.38 MByte/s Tx, 61.83 MByte/s Rx.
Packet size 32k bytes: 74.72 MByte/s Tx, 61.57 MByte/s Rx.
Done.
UDP connection established.
Packet size 1k bytes: 39.10 MByte/s (64%) Tx, 61.43 MByte/s (2%) Rx.
Packet size 2k bytes: 61.41 MByte/s (44%) Tx, 63.52 MByte/s (2%) Rx.
Packet size 4k bytes: 64.65 MByte/s (42%) Tx, 69.86 MByte/s (2%) Rx.
Packet size 8k bytes: 50.39 MByte/s (54%) Tx, 70.27 MByte/s (1%) Rx.
Packet size 16k bytes: 33.58 MByte/s (69%) Tx, 72.63 MByte/s (1%) Rx.
Packet size 32k bytes: 4917.18 KByte/s (95%) Tx, 72.96 MByte/s (0%) Rx.
Done.