/etc/sysctl.cnf 下追加内容
- net.core.netdev_max_backlog = 32768
- net.core.somaxconn = 32768
- net.core.wmem_default = 8388608
- net.core.rmem_default = 8388608
- net.core.rmem_max = 16777216
- net.core.wmem_max = 16777216
- net.ipv4.ip_local_port_range = 1024 65000
- net.ipv4.route.gc_timeout = 100
- net.ipv4.tcp_fin_timeout = 30
- net.ipv4.tcp_keepalive_time = 1200
- net.ipv4.tcp_timestamps = 0
- net.ipv4.tcp_synack_retries = 2
- net.ipv4.tcp_syn_retries = 2
- net.ipv4.tcp_tw_recycle = 1
- net.ipv4.tcp_tw_reuse = 1
- net.ipv4.tcp_mem = 94500000 915000000 927000000
- net.ipv4.tcp_max_orphans = 3276800
- net.ipv4.tcp_max_syn_backlog = 65536
保存退出,执行 sysctl -p 生效
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