Experience has been positive. We had to understand (and in places fix/enhance) the agent used in our system but the benefits of it not being an expensive black

Experience has been positive. We had to understand (and in places fix/enhance) the agent used in our system but the benefits of it not being an expensive black box were huge. E.g. you can run the whole stack on a laptop and therefore use the same tooling for perf analysis in dev as production.