Memory · Data store

Execution Failure History Store

Data storeMemoryCognition & Memoryarc:ExecutionFailureHistoryStore

A store of historical execution discrepancies and failures with their context (time, location, signature) and outcomes, retained across planning cycles.

Responsibility. Records past discrepancies, failure signatures and outcomes for learning.

Also known as: Historical execution logs, Failure pattern history

Direct neighbourhood (hover for relationship types)

Relationships

is read by dependency

Action Model Learner Ch5.6
Complete Replanner Ch5.6
Contingency Planner Ch5.6
Replan Trigger Threshold Learner Ch5.6
Replanning Strategy Router Ch5.6

is written by dependency

Discrepancy Significance Evaluator Ch5.6

Design guidance

SHOULD be retained across replanning cycles so recurring failures (e.g., a consistently delayed route) deprioritise that option in future plans.

Sources

Ch5.6: T. Nguyen, "A* Search and Replaning," in Mastering Agentic AI Systems: Guide for the NVIDIA NCP-AAI Exam, 1st ed. 2026, ch. 5.6. ISBN: 9798244538229.