提高高访问量交互式网站性能

Enhance highly accessed interactive Website performance

最近十年,WWW服务有了非常大的发展,高访问量网站也许一天就有几十亿的点击量,动态网页内容占网站内容的比重也越来越大,而生成动态网页的开销往往比静态网页要高几个数量级。以新浪爱问知识人(http://iask.sina.com.cn)为例,介绍怎样有效地缓存动态网页数据、优化服务器端程序和系统架构,以提供更好的动态网页内容服务。

The World Wide Web has emerged as one of the most significant applications over the past decade.Highly accessed Web sites may need to serve over a billion hits per day.The overhead for satisfying a dynamic request may be orders of magnitude more than the overhead for satisfying a static request.This article takes sina iask webiste（http：//iask.sina.com.cn） as an example,presents an overview of techniques for efficiently serving and caching dynamic web data,Describe techniques for invoking server programs and architectures for serving dynamic web content.