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Deepal Jayasekara
Deepal Jayasekara

Posted on • Originally published at blog.insiderattack.net on

Atomic Microservices Transactions with MongoDB Transactional Outbox

Atomic Transactions with Polled Outbox

One of the drawbacks of the microservices architecture is the difficulty to implement atomic transactions. While this limitation can be overcome by using patterns such as Saga, there are certain situations where we can use an alternative approach to solve this problem without having to implement the rather complicated Saga pattern.

Let’s consider a scenario where we need to dispatch an event when a user verifies their email after signing up. The event will then be consumed by other services for reporting, updating the customer profile on a CRM system and sending a customer a welcome email.

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