AP Systems: Conflict Resolution strategies.

Updated Apr 28, 2026

Short answer

Techniques like Last-Write-Wins (LWW), Vector Clocks, or CRDTs are used to merge data later.

Deep explanation

Intermediate CAP analysis focuses on real-world database choices and consistency models. Techniques like Last-Write-Wins (LWW), Vector Clocks, or CRDTs are used to merge data later.

Real-world example

Amazon DynamoDB using eventual consistency to ensure high availability for the 'Add to Cart' feature.

Common mistakes

  • Assuming a CP system is always consistent
  • it is only consistent as long as the majority (quorum) is alive.

Follow-up questions

  • What is the L in PACELC?

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