The CAP theorem, postulated almost 10 years ago by Inktomi's Eric Brewer, states that of three highly desirable properties of distributed systems - consistency (C), availability (A), and partition-tolerance (P) - you can only choose two at any one time.
http://www.infoq.com/articles/ebay-scalability-best-practices
posted @ 2010-01-26 17:07 Little Snail 阅读(63) 评论(0) 编辑