How do you maintain backward compatibility when making changes to Sagas? What are some common use cases where the Saga pattern is particularly well-suited?
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what is saga in microservices Informational
- What are some benefits of using an outbox pattern with Sagas? How does the Saga pattern handle the need for polling or other mechanisms to check the status of long-running operations in participating microservices?
- How do you signal a business rule violation to the Saga orchestrator or other participating services?
- What happens if the orchestrator crashes or restarts in the middle of a Saga execution?
- What are some strategies for dealing with external systems that do not support transactional behavior? How does the Saga pattern address the challenges of rollback in a distributed environment?
- What are some strategies for preventing conflicts between concurrent Saga executions? How does the Saga pattern handle the need for integrating with governance and compliance frameworks to ensure that the design and implementation of distributed transactions adhere to organizational policies and regulatory requirements?
- How do you simulate failures in a testing environment to validate Saga behavior? How does the Saga pattern handle the evolution of business requirements that might necessitate changes to existing Sagas?
- How do you configure alerting rules based on Saga status and error types? How does the Saga pattern handle the need for integrating with capacity planning and auto-scaling mechanisms to ensure that the underlying infrastructure supporting the microservices involved in a Saga can handle fluctuating workloads?
- What are some challenges related to data partitioning in a Saga? How does the Saga pattern handle the need for compensating transactions to be executed in a specific order, especially if the original transactions had dependencies?
- What happens if a compensating transaction depends on the successful completion of another compensating transaction? How does the Saga pattern support different ways of handling errors or exceptions that occur during the execution of a Saga step?
- What are some strategies for optimizing the cost-efficiency of Sagas? How does the Saga pattern handle the need for supporting different approaches to handling error reporting and alerting when failures occur during the execution of a Saga, ensuring that the right teams are notified with sufficient context?
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