a web cache system base on nginx web server. faster and more efficient than squid. Features The large storage can save over 30,000,000 caches The self sort share memory hash index Use linux epoll, sendfile and aio to improve the performance Base on the fastest web server framework : nginx The high throughput and high concurrent volume of the cache request Without http headers cache Low cpu cost and low iowait Memory cache the hottest data use HAC Aio queue with lio_listio function http://www.ncache.org/