What are the benefits of using a dedicated workflow engine for Sagas?
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what is saga in microservices Informational
- What are the key components or participants in a Saga? Can you explain the concept of local transactions within the context of a Saga?
- How do you handle schema evolution when microservices participating in a Saga have their own databases? Can you provide a simple code example (in a pseudocode or a specific language) illustrating the basic structure of a choreographic Saga?
- What are some governance considerations for Sagas?
- What are some security considerations specific to Saga orchestration? How does the Saga pattern handle the need for distributed tracing to monitor the flow of a transaction across multiple microservices?
- How do you ensure that a Saga eventually terminates, even if some steps fail? How does the Saga pattern support different levels of isolation between concurrent Sagas operating on the same data?
- How do you implement rate limiting for inter-service communication?
- What are some common techniques for implementing idempotency?
- How do you handle the case where a compensation cannot be completed successfully? How does the Saga pattern support different ways of handling the initiation of compensating transactions, such as through events or direct invocation?
- What data points should be exposed for BI purposes? How does the Saga pattern handle the need for supporting different isolation levels for read operations that occur within the context of a running Saga?
- How do you provide feedback to users about the progress and outcome of a Saga?
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