How do you conduct A/B tests involving distributed transactions?
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what is saga in microservices Informational
- What are the two main types or orchestration models of the Saga pattern? Describe the choreography-based Saga pattern.
- How do you expose the state of a Saga to client applications?
- What is Saga in Microservices?
- What are some common techniques for implementing idempotency?
- How do you ensure reliable message delivery and processing in a Saga? How does the Saga pattern handle the management of shared resources or external systems involved in a distributed transaction?
- What are some potential data anomalies that can occur in a Saga due to lack of strict isolation?
- How do you deal with retries and timeouts in a Saga? How does the Saga pattern compare to other distributed transaction management approaches, such as two-phase commit (2PC)?
- 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 are some risk mitigation strategies in these scenarios? How does the Saga pattern handle the need for ensuring that each participating microservice in a Saga performs its local transaction and publishes its corresponding events reliably?
- What is the appropriate compensation strategy in such cases? How does the Saga pattern support different ways of handling the case where a Saga instance becomes orphaned or its state is lost due to failures?
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