DoorDash's Journey from Aurora PostgreSQL to CockroachDB Watch now Editor’s note: The one-in-a-million bug detailed below has never been reported by customers of Cockroach Labs. It was autofiled by Sentry’s crash reporting module, which led us on a long journey to uncover its root cause(s). The story below details our investigation into and ultimate resolution of said bug. Background: Nondeterminism Nondeterminism–the property of being in any of the possible next states, is a double-edged sword....