hustoj提高并发有哪些可以调节的地方？


1.  /etc/nginx/nginx.conf中

worker_connections 5000;
multi_accept on;

* soft nofile 65536
* hard nofile 65536

net.ipv4.tcp_syncookies=0
net.ipv4.tcp_max_syn_backlog=65535

pm.max_children = 5000

apt-get install memcached php-memcache php-memcached

session.save_handler = memcached
session.save_path = “localhost:11211”

static $OJ_MEMCACHE=true; //使用内存缓存