Consistency Models
CAP and PACELC, the linearizability-to-eventual spectrum, session guarantees, and why the C in ACID is not the C in CAP.
- 1✓
What does the CAP theorem actually claim — and what do most engineers get wrong about it?
senior🎬 animated - 2✓
Walk the consistency spectrum — linearizability, sequential, causal, eventual. What does each actually promise?
staff - 3✓
A user posts a comment and it vanishes on refresh. Which consistency guarantee is missing, and how do you fix it?
senior - 4✓
Serializability vs linearizability — and why the C in ACID is not the C in CAP.
architect - 5✓
You've accepted eventual consistency for a feature. How do you design it so users still perceive the system as correct?
architect