It can be hard to figure out why response times are high in Java applications. In my experience, people either apply a process of elimination to a set of recent commits, or might sometimes use profiles of the system to explain changes in metrics. Making guesses about recent commits can be frustrating for a number of reasons, but mostly because even if you pinpoint the causal change, you still might not know why it was a bad change and are left in limbo. In theory, using a profiler makes root ...
