fs.file-max=10240000
net.ipv4.ip_forward=1
net.core.default_qdisc=fq
net.ipv4.tcp_congestion_control=bbr
net.ipv4.tcp_rmem=4096 16384 33554432
net.ipv4.tcp_wmem=4096 16384 33554432
net.ipv4.tcp_ecn=1
vm.swappiness=0