sysctl.conf
fs.file-max = 512000
net.core.rmem_max = 67108864
net.core.wmem_max = 67108864
net.core.netdev_max_backlog = 250000
net.core.somaxconn = 4096
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_max_tw_buckets = 5000
net.ipv4.tcp_timestamps = 1
net.ipv4.tcp_fin_timeout = 30
net.ipv4.tcp_keepalive_time = 1200
net.ipv4.ip_local_port_range = 10000 65000
net.ipv4.tcp_max_syn_backlog = 8192
net.ipv4.tcp_max_tw_buckets = 5000
net.ipv4.tcp_fastopen = 3
net.ipv4.tcp_mem = 25600 51200 102400
net.ipv4.tcp_rmem = 4096 87380 67108864
net.ipv4.tcp_wmem = 4096 65536 67108864
net.ipv4.tcp_mtu_probing = 1
net.core.default_qdisc=fq
net.ipv4.tcp_congestion_control=bbr
net.ipv4.ip_forward = 1
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1limits.conf
root 单独进行指定是因为在 Debian 系统下该配置文件通配符不包括 root 本身
* soft nproc 100000
* hard nproc 100000
* soft nofile 100000
* hard nofile 100000
* soft memlock unlimited
* hard memlock unlimited
root soft nproc 100000
root hard nproc 100000
root soft nofile 100000
root hard nofile 100000
root soft memlock unlimited
root hard memlock unlimited