TCP tuning: increase backlog linux

Increase socket listen backlog for high-connection services

sysctl -w net.core.somaxconn=65535 net.ipv4.tcp_max_syn_backlog=65535

#linux #network #kernel

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TCP tuning: enable BBR sysctl -w net.core.default_qdisc=fq net.ipv4.tcp_congestion_control=bbr Show open UDP sockets ss -ulnp Bind process to CPU cores taskset -cp 0,1 <pid> Show hardware interrupts watch -n1 'cat /proc/interrupts | head -30' Show process limits cat /proc/<pid>/limits