nginx.conf

user www www;  #modify
worker_processes auto;  #modify

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;
pid /var/run/nginx.pid;  #modify
worker_rlimit_nofile 51200;

events {
    use epoll;
    worker_connections 51200;
    multi_accept on;
}

http {
    include       mime.types;
    default_type  application/octet-stream;

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';

    #access_log  logs/access.log  main;

    client_max_body_size 100m;  #add
    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  120; #65;

    #gzip  on;

    ##########################vhost#####################################
    include vhost/*.conf;
}