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Choosing MongoDB

pros

  • it’s super fast (it depends on the case – but for ours it is about 5 times faster than a SQL database)
  • it’s extremely scalable – up to petabytes with little effort (we don’t need the space for a petabyte, but 10 terrabytes)
  • it has got a very good replication mechanism (replica sets)
  • it has got a easy to use Java API
  • the storage format is JSON, which is very easy to handle in Java as well as in Java Script
  • it’s easy in operations – you don’t have to sit an admin next to it
  • is has got a very active community (I had bug fixes in less than 20 minutes!!! Thanks Elliot! :)
  • they have a clear release cycle
  • the company behind MongoDB (10gen) got fresh money for the next years

cons

  • none of us has ever used a NoSQL database
  • the project is relatively young
  • you don’t have the relational integrity

Not much to object to, but I’m wondering about two of the pros: scalability and easy operations. How have they reached those conclusions?

Original title and link: Choosing MongoDB (NoSQL databases © myNoSQL)

via: http://www.catify.com/2010/10/19/nosql-vs-sql/