摘要: In the traditional model, the life cycle of a user request is the following:Browser sends an HTTP request to web server.Web server parses the request,... 阅读全文
posted @ 2014-08-07 20:30 linyx 阅读(441) 评论(0) 推荐(0) 编辑
摘要: It is finally here: you can configure the open source log-aggregator, scribe, to log data directly into the Hadoop distributed file system.Many Web 2.... 阅读全文
posted @ 2014-08-07 20:25 linyx 阅读(238) 评论(0) 推荐(0) 编辑
摘要: c++类大小和机器还有编译器有关。64位机器指针大小为8个字节,32位机器为4个字节。每个实例在内存中都有一个独一无二的地址,为了达到这个目的,编译器往往会给一个空类隐含的加一个字节,这样空类在实例化后在内存得到了独一无二的地址;有虚函数的类有个virtual table(虚函数表),里面包含了类的... 阅读全文
posted @ 2014-08-07 17:17 linyx 阅读(389) 评论(0) 推荐(0) 编辑