The @Async annotation in Spring Boot indicates that a method should be executed asynchronously. When a plan is annotated with @Async, it is performed in a separate thread, allowing the calling thread to continue its execution without waiting to complete the annotated process.

By using @Async, time-consuming or blocking operations can be offloaded to separate threads, improving the overall responsiveness and performance of the application. This annotation is typically used in scenarios where specific methods can be executed independently, and the calling thread does not immediately need their results.

To enable asynchronous execution in Spring Boot, configure a task executor bean and annotate the target method with @Async. Spring Boot will automatically detect the @Async annotation and execute the annotated strategy asynchronously using the specified task executor.

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