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No matter what we do, we’re... «Architecture Patterns with Python: Enabling Test-Driven Development, Domain-Driven Design, and Event-Driven Microservices»
No matter what we do, we’re always going to find that our software systems are inconsistent with reality, and so we’ll always need business processes to cope with these edge cases. It’s OK to trade performance for consistency on the read side, because stale data is essentially unavoidable.