vim /etc/haproxy/haproxy.cfg
global
  maxconn 100000
  chroot /apps/haproxy
  stats socket /var/lib/haproxy/haproxy.sock mode 600 level admin
  #uid 99
  #gid 99
  user haproxy
  group haproxy
  daemon
  #nbproc 4
  #cpu-map 1 0
  #cpu-map 2 1
  #cpu-map 3 2
  #cpu-map 4 3
  pidfile /var/lib/haproxy/haproxy.pid
  log 127.0.0.1 local2 info