Incident-Response

Reliability, systems thinking, and what we find while building.

GitHub's February 9 Incidents: What 'Mitigation' Leaves Out

GitHub's February availability report documents two incidents an hour apart with the same root cause. The first mitigation was correct for what the team could see, and it was not the fix. This is a reading of the public report through two lenses, one heuristic and one systems-theoretic.

Shift Left·May 26, 2026

The Medium-Severity Paradox: Where Engineering Time Actually Goes

Across nearly 3,000 public postmortems, medium-severity incidents consume roughly thirteen times more engineering time than critical ones. The implication is upstream.

Incident Patterns·May 10, 2026