But I suggest testing first. And as a bonus here's...

# spring

[Czar]

But I suggest testing first. And as a bonus here's a bit outdated but still relevant article on a similar matter: https://dzone.com/articles/spring-and-servlet-30-asynchronous-processing
Looking at several approaches and weighing them against each other is always a good practice, don't take anyone on their word, it's very hard to give the best answer if one doesn't know all the details and laying out all the details in public is usually not possible.