Answer
Eventual consistency allows data to be temporarily inconsistent across services but ensures it becomes consistent over time. Techniques include CQRS, event sourcing, and sagas.
Quick Answer
Eventual consistency means after an update, not all services see the new data immediately - but they will all be consistent eventually. It's accepted in distributed systems where strong consistency is too expensive. Example: you place an order, inventory updates asynchronously. For a brief moment inventory count is stale, then it catches up.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ