Nginx优化配置

vi /etc/sysctl_conf 
     net.core.netdev_max_backlog=262144
     net.core.somaconn=262144
     net.ipv4.tcp_max_orphans=262144
     net.ipv4.tcp_max_syn_backlog=262144
     net.ipv4.tcp_timestamps=0
     net.ipv4.tcp_synack_retries=1
     net.ipv4.tcp_syn_retries=1

vi /etc/nginx.conf
 
     worker_processes  cpu数量或者cpu*2
     worker_cpu_affinity 0001 0010 0100 1000
     worker_cpu_affinity 0001 0010 0100 1000 0001 0010 0100 1000
     worker_cpu_affinity 0000001 00000010 00000100 00001000 00010000 00100000 01000000 10000000

     keepalive_timeout 60 50 
     send_timeout 10s
     client_header_buffer_size 4k ( getconf PAGESIZE)

 ;listen = 127.0.0.1:9000
 listen = /dev/shm/php-cgi.sock