Interested to hear the answer to this one.  At my company it's about 20 seconds between the first and last AppD startup messages, which I think is still way too long. First message: Full Agent Registration Info Resolver found system property [appdynamics.agent.applicationName] for application name... Last message: Started AppDynamics Java Agent Successfully. Spring Boot doesn't start until after that, so all the overhead of AppD instrumenting the code comes later. ... View more