Agentic AI Reference Architecture

Observability & Evaluation · Data store

Ephemeral Trace Buffer

Data storeObservability & EvaluationObservability & Evaluationarc:EphemeralTraceBuffer

A short-term store retaining all reasoning traces for a brief window so recent anomalies can be analysed without long-term storage cost.

Responsibility. Retains all recent traces for short-term anomaly analysis.

is written byis read byTrace Collector: is written byTrace CollectorEvaluation Trace Sampler: is read byEvaluation Trace Sampler
Direct neighbourhood (hover for relationship types)

Relationships

is read by dependency

is written by dependency

Quantitative guidance

As stated by the sources; verify before use.

Sources

  1. Ch3.9: T. Nguyen, "Reasoning Quality," in Mastering Agentic AI Systems: Guide for the NVIDIA NCP-AAI Exam, 1st ed. 2026, ch. 3.9. ISBN: 9798244538229.