2 min lesson
Quantify blast radius to prioritize
Use "Quantify blast radius to prioritize" to tell the cases apart, then choose a response for each one.
Step 1 of 2
Quantify blast radius to prioritize
When two regressions compete for one engineer's day, blast radiusHow much breaks if a change goes wrong; the scope of potential damage. Press Enter for the full definition. decides. Affected users times severity gives a comparable number, so a 0.3% latency bump on the most-used surface can outrank a hard failure that hits a handful of people. Prioritizing by blast radius is how you focus a small team on the frustration that actually dominates.
Interactive diagram. Tab through its regions; each focused region shows its detail in the panel below.
Reach x severity, not loudness - the top-right corner is the incident, the rest get filed with evidence attached.