> * Consistent performance. This is the nature of Garbage Collection. It can surprise you when it executes you and drop a performance blip when you least expect it.

This has been getting much better in Java in recent years. Shenandoah has been the default since Java 15, and we've been seeing further improvements since then.

> Processing thread stacks concurrently gives us reliable sub-millisecond pauses in JDK 17.

https://developers.redhat.com/articles/2021/09/16/shenandoah...