Saga Pattern: Distributed Transactions Without 2PC
📖 Bản tiếng Việt (Vietnamese Edition) Series Navigation: This is Part 4 of the Core Banking Systems Architecture Masterclass. For the event-driven foundation, read Part 3: Event Sourcing & CQRS. Saga Pattern: Distributed Transactions Without 2PC Answer-first: The Saga pattern replaces fragile, blocking Two-Phase Commit (2PC) protocols in distributed core banking microservices with a coordinated sequence of local ACID transactions and idempotent compensating actions. By centralizing execution state in durable workflow orchestrators like Temporal, financial architectures guarantee eventual consistency, eliminate distributed lock deadlocks during network partitions, and reliably isolate intermediate state using semantic reservation holds without sacrificing system availability. ...