> Try getting the output of: > > cat /proc/sys/net/ipv4/tcp_low_latency > > for both systems. This gives a hint to the TCP stack to enable = 0 or > disable = 1 Nagle's algorithm.
I tried this and it didn't have any effect. This setting only gives a hint like you mention to the TCP stack. But is there way you can completely disable TCP_NODELAY, either through hibernate or in the OS?