The world is changing. For a long time companies such as IBM and Oracle were dictating the rules, but now Google, Facebook, Amazon, and others are ahead. These companies produce terabytes of data and receive millions of requests in short periods of time, and they are still growing every day. The question is, how are they able to scale and handle such a high volume of data and so many requests? The fact is that no one had ever encountered these sorts of problems before (even IBM or Oracle), so they had to create their own solutions to be able to scale.
When it comes to ...