How do you ensure that events or commands are processed in the correct sequence?
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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?
- What are some best practices for versioning Sagas?
- What are some common pitfalls to avoid when using the Saga pattern? How do you test Sagas effectively, given their distributed nature and potential for failures?
- How does it help to isolate failures within a distributed transaction?
- What are some strategies for generating and managing correlation IDs? How does the Saga pattern support different patterns for handling outbox messages or ensuring reliable event publishing after a local transaction?
- Can you provide an example of a compensating transaction in a real-world scenario? How do you ensure idempotency in Saga transactions?
- 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 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?
- How does this approach compare to using the Saga pattern? How does the Saga pattern handle the need for supporting different approaches to handling the initiation of compensating transactions in response to failures, such as through explicit commands, timeout mechanisms, or the detection of deadlocks?
- What are the advantages and disadvantages of using a choreography-based Saga? Explain the orchestration-based Saga pattern.
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