Why does Spring Boot eat so much memory?

Question

Spring

There is an application, quite small, using pure Spring and its extensions + JPA + Mongo + Integration-IP + Jetty embedded. In production, it eats 300 megs, here is its idle work schedule:

Remade it to Spring Boot - replaced dependencies with bootstrap, sawed out jetty (since there is a tomcat in the boot). In an idle start, it started many times more. Here is the chart

. Is this normal?

Answer 1

Yes, good. Boot is a set of crutches, they reduce the amount of work for the programmer by increasing the amount of work performed by the framework, respectively, and memory consumption will be higher and performance will be lower.