HAProxy Tuning

haproxy -vv
echo "show info" | socat stdio /run/haproxy-runtime-api.sock

• maxconn
• CPU Pinning
  • nbproc
  • nbthread
  • cpu-map

/etc/sysctl.d/30-haproxy.conf

net.ipv4.tcp_rmem            = 4096 16060 262144
net.ipv4.tcp_wmem            = 4096 16384 262144
net.ipv4.tcp_tw_reuse        = 1
net.ipv4.ip_local_port_range = 1024 65023
net.ipv4.tcp_max_syn_backlog = 60000
#net.ipv4.tcp_fin_timeout     = 30
net.ipv4.tcp_synack_retries  = 3
net.core.somaxconn           = 60000

• https://www.haproxy.com/documentation/hapee/latest/getting-started/system-tuning/

# CPU Pinning
nbproc 2
cpu-map 1 0
cpu-map 2 1

• https://www.haproxy.com/blog/multithreading-in-haproxy