Long Running Actions with Helidon by Daniel Kec


MicroProfile Long Running Actions (LRA) is a long-awaited specification that provides a lock-free, and consequently loosely-coupled, approach to achieve consistency in a microservice environment.

LRA follows the SAGA pattern, where asynchronous compensations are used to maintain eventual data integrity without staging expensive isolation. This method removes the additional burden of monitoring your data integrity and provides greater scalability – features that are highly valued in the world of microservices.

LRA Transaction

Every LRA transaction can be joined by multiple participants. Participants are JAX-RS resources with methods annotated with LRA-specific annotations.
These annotations are used to join @LRA and others so they can be called together when compensating @Compensate or completing @Complete the transaction. Read the complete article here.

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