InformationWeek on MongoDB
Informed journalism:
In addition to MongoDB, systems such as CouchDB or Cassandra are in use on social networking and game sites, including Farmville, and online retailing, such as Amazon.com.
[…]
Like other large cluster software, such as Hadoop, MongoDB generates two replicas of the original data set in the server cluster so that it can tolerate a hardware failure
InformationWeek on MongoDB originally posted on the NoSQL blog: myNoSQL
via: http://www.informationweek.com/news/software/database/showArticle.jhtml?articleID=226700467
