Consistency Models

Advanced · 16 min read · High-Level Design, Distributed Systems Theory

Linearizability, sequential, causal, read-your-writes and eventual consistency — and quorums.

This is an Advanced lesson, part of Premium. What it covers:

• Linearizability (strong consistency)
• Sequential consistency
• Causal consistency
• Session guarantees (client-centric models)
• Eventual consistency
• Quorums and tunable consistency
• Comparing the models
• Choosing for a design
• Interview questions
• Practice
• Further reading

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