- cat >/etc/sysctl.conf<<EOF
- fs.file-max = 104857600
- fs.nr_open = 1048576
- vm.overcommit_memory = 1
- net.core.somaxconn = 65535
- net.core.optmem_max = 262144
- net.core.rmem_max = 8388608
- net.core.wmem_max = 8388608
- net.core.rmem_default = 262144
- net.core.wmem_default = 262144
- net.core.netdev_max_backlog = 65536
- net.ipv4.tcp_mem = 4096 262144 8388608
- net.ipv4.tcp_rmem = 4096 262144 8388608
- net.ipv4.tcp_wmem = 4096 262144 8388608
- net.ipv4.tcp_syncookies = 1
- net.ipv4.tcp_syn_retries = 3
- net.ipv4.tcp_synack_retries = 2
- net.ipv4.tcp_max_syn_backlog = 65535
- net.ipv4.tcp_fin_timeout = 16
- net.ipv4.tcp_keepalive_intvl = 32
- net.ipv4.tcp_keepalive_probes = 3
- net.ipv4.tcp_keepalive_time = 900
- net.ipv4.tcp_retries1 = 3
- net.ipv4.tcp_retries2 = 8
- net.ipv4.tcp_no_metrics_save = 1
- net.ipv4.tcp_timestamps = 1
- net.ipv4.tcp_slow_start_after_idle = 0
- net.ipv4.ip_forward = 1
- net.core.default_qdisc = cake
- net.ipv4.tcp_congestion_control = bbr
- net.ipv4.icmp_echo_ignore_all = 0
- net.ipv6.conf.all.disable_ipv6 = 0
- net.ipv4.tcp_fastopen = 0
- net.ipv4.tcp_fack = 1
- net.ipv4.tcp_sack = 1
- net.ipv4.tcp_dsack = 1
- net.ipv4.tcp_ecn = 0
- net.ipv4.tcp_ecn_fallback = 1
- EOF
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