Tag
regression-range
- Oct 15, 2024 Reading a Diff for the Mechanism It Changed A bisected revision is a pointer to a change, not a cause. Separating default-value, ordering, and resource-lifecycle differences from cosmetic ones is what turns a pointer into a mechanism. observability
- Aug 10, 2024 Establishing Onset Before Correlating It With Changes Detection time is not onset time. Finding the minute a failure actually began, and knowing the base rate of changes in that window, is what decides whether a correlation is evidence. observability
- Jul 16, 2024 Bisecting a Deploy Range When the Fault Is Not Monotone Binary search over versions and inputs assumes the symptom persists once introduced; what that assumption costs, how delta debugging generalises it, and where the search stops being worth running. observability