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Facebook traffic is mind blowing...

liquid(豆泡松果之松果豆泡)

* 500 million active users
* 100 billion hits per day
* 50 billion photos
* 2 trillion objects cached, with hundreds of millions of requests per second
* 130TB of logs every day

http://news.cnblogs.com/n/98916/

(#6785993@0)
Last Updated: 2011-7-7
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工作学习 / 学科技术讨论 / 大家有没有想过如何设计数据库来代表人际关系，比如像LINKEDIN那样的人际网络如何在数据库中表示？我有一点想法，但是PERFORMANCE AND SCALABILITY总是一个问题？另外有没有什么研究报告或者文章可以参考，谢谢 -tongcd(MockingBird); 2011-7-7 (#6784766@0)

Good question, hope this article helps. -hhyang(哈哈羊); 2011-7-7 (#6784843@0)

thanks, reading ... -tongcd(MockingBird); 2011-7-7 (#6785060@0)

linkedIN 应该就是一个巨大的多对多的关系表吧？ -binghongcha76(一只大猫); 2011-7-7 (#6785040@0)

true. i guess the biggest challenge is to maintain scalability. When number of user grows, probably the cost to maintain that gigantic number of relationship is growing dramatically. -tongcd(MockingBird); 2011-7-7 (#6785078@0)

不见得. 譬如, 只用两级关系来描述每个节点(人), 每个节点用个LINK来描述与其他节点的关系. 从现在的技术, 应不成问题. -healthy321(领导说:做人要低调.); 2011-7-8 (#6786188@0)

Facebook traffic is mind blowing... -liquid(豆泡松果之松果豆泡); 2011-7-7 {181} (#6785993@0)
* 500 million active users
* 100 billion hits per day
* 50 billion photos
* 2 trillion objects cached, with hundreds of millions of requests per second
* 130TB of logs every day
http://news.cnblogs.com/n/98916/

@Florida

Facebook traffic is mind blowing...

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