Lesson 2.3

Consistency models and CAP

When the network partitions you choose consistency or availability. Most real systems pick a different answer per operation.

Taught byTomas BergPython · pandas · System design · Distributed systems
7m Intermediate 10,947 students

Overview

When the network partitions you choose consistency or availability. Most real systems pick a different answer per operation.

What this lesson covers

  • Place a system on the consistency spectrum
  • Choose guarantees per operation, not per database
  • Explain the user-visible effect of eventual consistency

This lesson sits in Data at Scale, part of System Design Foundations. It assumes what came before it and leads directly into the next lesson in the module.

In this lesson you will:

  • Place a system on the consistency spectrum
  • Choose guarantees per operation, not per database
  • Explain the user-visible effect of eventual consistency

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