# /etc/sysctl.conf

# 网络优化
net.core.somaxconn = 65535
net.core.netdev_max_backlog = 65535
net.ipv4.tcp_max_syn_backlog = 65535
net.ipv4.tcp_fin_timeout = 10
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_keepalive_time = 120

# 内存优化
vm.swappiness = 1                    # 尽量不使用 swap
vm.dirty_ratio = 10
vm.dirty_background_ratio = 5

# 文件句柄
fs.file-max = 65535
fs.aio-max-nr = 1048576

# 应用配置
sysctl -p