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Consistency patterns

Consistency patterns

Consistency patterns describe how systems behave when multiple users, services, or processes read and write shared data at the same time.

Dec 29, 2025 1 consistency

Database Locks and Transactions

Database Locks and Transactions

Database transactions and locks are both used to protect data correctness, but they solve different problems. Transactions define failure boundaries, while locks define concurrency behavior.

Dec 15, 2025 1 database atomicity consistency

CAP Theorem in System Design

The CAP theorem explains one of the most important trade-offs in distributed system design: when a network partition happens, a system must choose between consistency and availability . This article explains what CAP really means, why partition tolerance is unavoidable in distributed systems, and ho

Nov 12, 2025 1 consistency availability partition-tolerance

Consistency in System Design

Consistency in system design describes how fresh and correct data should be when users, services, or replicas read it after a write. Some systems require every read to reflect the latest committed value, while others can tolerate stale data for better latency, availability, or scalability.

Nov 12, 2025 1 consistency cap-theorem

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