[ssijak]

Spring Boot can be both reactive or ordinary thread pool based to serve requests or anything from the stack really. It is very very powerful framework and comparing something barebones to Boot is really dumb. Not to mention that author intentionally made java look like a monster when he could use some simple tweaks to reduce jvm memory usage by much and he hid what dependencies really imported. And also if he did not like Boot he could just fire barebons Jetty up and use 20mb heap tops.