Typical arguments about in-memory database systems follows: From : http://nosql.mypopescu.com/post/505511044/in-memory-elastic-databases This is indeed an interesting argument and one that I’m not going to argue against. But it still feels like elastic caching or in-memory elastic databases will remain just a part of the software equation: – Even if the price of RAM has continued to decrease, the machines mentioned do not sound like commodity hardware so you’ll have to balance the costs with the value…