59 / 81 · Module 16 — Production Engineering and Observability · filtered: interview← prev⊞ allnext →
16.27Percentages matter
Suppose:
100 failures
Sounds bad.
But:
100 / 10,000,000 requests
may be tiny.
Versus:
100 / 120 requests
catastrophic.
Monitor:
error count
+
error rate