In the context of databases we often use terms like scalability, and speak of “scale-up” and “scale-out”. These terms are often misunderstood. In the previous post, we focused on the terms “Scale-Up” and “Scale-Out”, and in this post will talk about scalability. In the next post, we describe some common solutions to scalability problems.
There are a large class of database operations where the performance degrades rapidly as data volumes increase. For example, the worst case time to join two tables degrades exponentially as the size of the tables increases. [...]