The question is quite easy for most of the performance engineers. But when you work with some developers who are not that much sure about the performance terms, it’s quite important to give the proper explanation.
So it’s better to give the proper definition in this case.
– positive correlation means that a specific measurements “behaves” in the same way the source measurement behaves. For example, when the source measurements goes up and the other one goes up as well
– negative correlation means that a specific measurement “behaves” in the opposite manner. For example: when the source measurement goes up the other one goes down