The JVM isn't actually slow to start [1] (albeit it does start about 3x-4x slower than python, ruby, or node) [2]. Most of the slow startup in a JVM-based appli

The JVM isn't actually slow to start [1] (albeit it does start about 3x-4x slower than python, ruby, or node) [2]. Most of the slow startup in a JVM-based application is in classloading [3] or waiting for your chosen framework to initialize [4] before the control is handed to your custom code. [1] https://purelyfunctional.tv/article/the-legend-of-long-jvm-startup-times/ https://purelyfunctional.tv/article/the-legend-of-long-jvm-s... [2] https://dev.clojure.org/display/design/Improving+Clojure+Start+Time https://dev.clojure.org/display/design/Improving+Clojure+Sta... [3] http://blog.ndk.io/clojure-bootstrapping.html http://blog.ndk.io/clojure-bootstrapping.html [4] https://jkutner.github.io/2015/12/01/java-boot-time.html https://jkutner.github.io/2015/12/01/java-boot-time.html