The Saga pattern is a distributed transactional pattern used in microservices architecture to maintain data consistency across multiple services. It helps manage long-running transactions involving multiple services by breaking them down into smaller, more manageable work units. There is a famous Database per Service pattern in the Microservice world. Under this paradigm, each service maintains its own dedicated database. Some business transactions, however, span multiple services so we need a mechanism to implement transactions that span through services. Take, for instance, the scenario of placing an online order, which involves actions like inventory verification and item reservation till payment completion. Since services such as Orders, Inventory, and Payment operate on separate databases, the application cannot simply use a local ACID transaction. 2 Phase Commit Protocol is one of the options being used for ensuring transactions across services. However, it has se...