When my deployments are incremental I barely care about startup time. Even if a service takes ten seconds to come up healthy (which is mostly pubsub and polling

When my deployments are incremental I barely care about startup time. Even if a service takes ten seconds to come up healthy (which is mostly pubsub and polling backends, not classloading) we can upgrade the entire production tier 1% at a time in under twenty minutes, which is about as fast as I’d be comfortable going with automatic plus manual monitoring. And I don’t really expect sub-second response times and image load times from cluster schedulers like YARN or Apache Mesos or EC2. I admit that Java is doing a lot of redundant bytecode verification and typechecking work at classload time, but nothing would really change if it were free. I certainly don’t want to give up plugins and AspectJ the way Go does.