Comment by Unknown on "Implementing Automatic Retry for Database Deadlocks in Spring Boot using Spring Retry"

CommentImplementing Automatic Retry for Database Deadlocks in Spring Boot using Spring Retry

Unknown

Backend Developer

Jan 16, 2024

Thanks to you, I was able to think deeply about lock and isolation. Thank you!

You have set the @Transactional annotation on the Repository interface. I usually prefer to declare it in the Class method of the Service layer... Is it a better practice to declare it in the Repository?

Taehyeong Lee

Simple is best

Jan 16, 2024

Of course, it is most commonly used in concrete classes at the Service level :) In this example, I wanted to introduce you to the lowest level where you can use @Transactional in your project, so I showed you an example of specifying it in the @Repository interface. I make it a habit to specify @Repository and @Service, because that way I can cope with both transactions from real-time APIs with low execution time, and logic that has hours of execution time and intentionally doesn't use service-level transactions.

Taehyeong Lee Thank you for the response. I also plan to develop a habit of doing so. By establishing a solid foundation, it seems possible to preemptively prevent deadlocks that may occur in unexpected areas.

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