Anand Suresh — reliability https://www.anandsureshworks.com/notes/tag/reliability/ 2026-07-17T08:00:00Z Anand Suresh A green checkmark is not a pulse https://www.anandsureshworks.com/notes/green-checkmark-is-not-a-pulse/ 2026-07-17T08:00:00Z 2026-07-17T08:00:00Z Freshness tells you the last time it worked. Liveness is a different question.