### Relevant articles:
- [A Guide to the Spring Task Scheduler](http://www.baeldung.com/spring-task-scheduler)
- [The @Scheduled Annotation in Spring](https://www.baeldung.com/spring-scheduled-tasks)
- [Guide to Spring Retry](http://www.baeldung.com/spring-retry)
- [How To Do @Async in Spring](http://www.baeldung.com/spring-async)