net.ipv4.tcp_timestamps=0

net.ipv4.tcp_sack=1

net.core.netdev_max_backlog=250000

net.core.rmem_max=4194304

net.core.wmem_max=4194304

net.core.rmem_default=4194304

net.core.wmem_default=4194304

net.core.optmem_max=4194304

net.ipv4.tcp_rmem= 4096 87380 4194304

net.ipv4.tcp_wmem= 4096 65536 4194304

net.ipv4.tcp_low_latency=1

net.ipv4.tcp_adv_win_scale=1