New method to increase TCP performance for edge server like Webserver, Torrent Server… Apply these command into your Debian/Ubuntu server and reboot to take effect:
echo "" >> /etc/sysctl.conf
echo "net.core.default_qdisc=fq" >> /etc/sysctl.conf
echo "net.ipv4.tcp_congestion_control=bbr" >> /etc/sysctl.conf
sysctl -p
Verify
sysctl net.ipv4.tcp_congestion_control
Output
~# sysctl net.ipv4.tcp_congestion_control
net.ipv4.tcp_congestion_control = bbr