Centralized Logging

Aggregate structured logs from all services into one searchable place.

logs

Detailed Description

Centralized logs turn scattered service output into a debugging system.

Use structured JSON logs and avoid logging secrets or sensitive payloads.

Service logs -> collector -> central store
Search by traceId, userId, error

Pros

Single search surface, cross-service correlation

Cons

Cost and PII risk at scale

Examples: ELK, Loki + Grafana, Datadog logs, CloudWatch