Diagnostic map
Reliability domains that explain how analytics systems fail while still looking healthy.
These domains originated in WhyDidItFail and now sit here alongside ARF. Use them to diagnose silent failure patterns and map them back to readiness interventions.
Data Movement Reliability
The reliability domain focused on whether data is ingested, transformed, and delivered as intended before downstream semantics and decisions depend on it.
Semantic Reliability
The reliability domain focused on whether models, metrics, joins, and definitions continue to preserve intended business meaning over time.
Execution Reliability
The reliability domain focused on runtime behavior: whether workloads, queries, and analytical systems behave predictably under changing data volume, latency, and operational pressure.
Change Reliability
The reliability domain focused on whether changes to code, configuration, models, and metadata introduce hidden analytical regressions.