What is the transactional outbox pattern, and how does it work?
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what is saga in microservices Informational
- How do you initiate a rollback or compensation sequence for a running Saga?
- What are the considerations for setting appropriate rate limits? How does the Saga pattern handle the need for supporting different patterns for handling retries of failed requests between microservices in a Saga, such as immediate retries, delayed retries, or exponential backoff?
- Can Sagas be initiated or driven by events from other parts of the system?
- What are some common timeout strategies, such as fixed timeouts or exponential backoff with jitter?
- How do you define appropriate retry policies for different types of failures? How does the Saga pattern support different levels of complexity in the business logic of individual Saga steps?
- What security events should be audited in a Saga?
- How do you handle transactions that involve both Saga-aware microservices and external, non-transactional systems?
- How do you enforce compliance checks for Saga implementations? How does the Saga pattern handle the need for supporting different approaches to handling the termination or finalization of a Saga instance, including releasing any resources held by participating microservices and cleaning up any temporary state?
- How do you refactor or update existing Sagas?
- Can you provide a simple code example (in a pseudocode or a specific language) illustrating the basic structure of an orchestrator-based Saga?
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