www.pythian.com | White Paper 1 We are living in the cloud era. No matter if it is private, public or hybrid, our application’s layers are now expected to automatically expand and contract to meet workload needs at the lowest cost possible. Now, having an elastic persistence layer has been always a challenge, especially if you are used to that warm blanket called Atomicity, Consistency, Isolation, Durability (ACID). Compared to other system layers, there are consistency and availability concerns that impose limitations, restricting elasticity. If your database servers are open source, you will notice that there is more than one scale-out strategy, and that you often need to combine technologies in order to achieve the desired architecture. Cloud providers work hard to provide the

Join for free to read