Eventual consistency.
also: eventually consistentIf writes stop, all replicas eventually converge to the same value, with no promise about when.
the two-minute refresher
- Asynchronous replication with no special handling gives you this.
- Clients may see stale data, out-of-order updates or temporary disagreement.
- Fine for feeds, analytics dashboards and caches.
- Often paired with session guarantees such as read-your-writes so users don't notice.