PG Saga: Coordinating Dependent Data Changes Across Multiple Services
summary
Describes Avito’s approach to implementing cross-service business transactions and maintaining data consistency in a microservices environment that uses the Database-per-Service pattern. Covers the problem of dependent data changes across multiple services and the practical solution(s) Avito applied to coordinate and enforce consistency between services.
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chapters (9)
- 0:00Introduction
- 2:56Microservice architecture problem
- 5:47Solution via sagas
- 10:10Saga orchestrator implementation
- 14:49Saga types and scenarios
- 18:04Data locks and isolation
- 21:18Consistency and monitoring
- 24:05Design recommendations
- 27:57Q&A
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