Correlation ID

Kind: mechanism

Layer: Observability

Record: architecture:correlation-id

Severity: contextual

Scope: request, message, workflow

Canonical: Ontology

A mechanism that attaches one identifier to a request and carries it through every call, message and log line the request causes.

Listed in Architecture principles, after Traceability and before Causation ID.

Requires

• Context Propagation

Reinforces

• Distributed Tracing

Enables

• Request-Level Traceability

Conflicts with

• Uncorrelated Events

In tension with

• Header/Metadata Management

Tensions

• Correlation ID / Header/Metadata Management

Violated by

• Uncorrelated Events

Refactored by

• Chain of Responsibility Pattern

Severity

• contextual

Category

• Observability / Auditability / Traceability

Required by

• Traceability

Refactors

• Traceability

Linked from

• Posting and waiting are one operation
• The ceiling moves by cost
• Observability / Auditability / Traceability
• Observability / Auditability / Traceability
• Severity levels
• The resolutions