ACID

Kind: model

Layer: Atomic Boundary

Aliases: Atomicity, Consistency, Isolation, Durability

Record: architecture:acid

Severity: contextual

Scope: database, transaction

Canonical: Ontology

A conceptual representation of the four guarantees of a database transaction: atomicity, consistency, isolation and durability.

Listed in Architecture principles, after Atomicity and before Transaction Boundary.

Requires

• Atomicity
• Consistency
• Isolation
• Durability

Reinforces

• Correctness

Enables

• Strong Transactional Guarantees

In tension with

• Distributed Availability
• BASE/Eventual Consistency

Tensions

• ACID / Distributed Availability
• ACID / BASE/Eventual Consistency

Violated by

• Partial Commit

Refactored by

• Introduce Transaction Boundary
• Invariant Check

Severity

• contextual

Category

• Transactions / State / Concurrency

Linked from

• Correctness / Determinism / Verification
• Transactions / State / Concurrency
• Correctness / Determinism / Verification
• Transactions / State / Concurrency
• Severity levels
• The resolutions