How to make a async REST with Spring?

Question

I\'m trying to make a small REST using Spring Boot. I\'ve never used Spring and used Java a long time ago (Java 7)!

In the last 2 years I have used only Python and C# (b

Answer 1

I'm facing performance issues when triggering Async methods. The Asynchronous child threads start executing very late (around 20 to 30 seconds delay). I'm using ThreadPoolTaskExecutor() in my main SpringBoot application class. You can also try the same if you consider perfomance as a factor.