net.ipv4.tcp_fin_timeout = 30
net.ipv4.ip_local_port_range = 1024 65535
net.ipv4.tcp_fastopen = 3
net.core.somaxconn = 4096
net.core.netdev_max_backlog = 5000
vm.swappiness=1
vm.dirty_ratio = 40
vm.overcommit_ratio = 100
vm.vfs_cache_pressure = 50
net.core.default_qdisc = fq
net.ipv4.tcp_congestion_control = bbr
net.ipv4.tcp_notsent_lowat = 16384
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_mtu_probing = 1
net.ipv4.tcp_rfc1337 = 1