调整内核参数
vi /etc/sysctl.d/99-custom.conf
添加以下内容
vm.swappiness=10 fs.file-max = 51200 net.core.rmem_max = 67108864 net.core.wmem_max = 67108864 net.core.netdev_max_backlog = 250000 net.core.somaxconn = 4096 net.core.default_qdisc = fq net.ipv4.tcp_syncookies = 1 net.ipv4.tcp_tw_reuse = 1 net.ipv4.tcp_tw_recycle = 0 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.ipv4.tcp_congestion_control = bbr
保存生效
sysctl --system
增加打开文件描述符的最大数量
vi /etc/security/limits.d/custom.conf
添加如下内容
* soft nofile 51200 * hard nofile 51200 # for server running in root: root soft nofile 51200 root hard nofile 51200
执行下面的命令来立即生效
ulimit -n 51200
