In this demo 4-part video series, Cockroach Labs co-founder and CEO Spencer Kimball and Director of Community Jessica Edwards demonstrate how CockroachDB provides provides resilience and HA to an application.
Video 1: CockroachDB scales from one node to three nodes and demonstrates 3-way replication and resiliency in the face of an outage.
Video 2:
Try this demo yourself at https://cockroa.ch/evolution-demos (Scroll down to: "Stage 2: Stand up a resilient service").