CockroachDB change history: Degraded performance in one AWS us-east-1 availability zone

CockroachDB Advanced reported a major degradation linked to elevated AWS error rates and degraded performance in one us-east-1 availability zone; clusters remained available. The incident ran from 2026-05-08 02:13 UTC to 2026-05-08 21:53 UTC (19 h 40 min), when all clusters in the affected zone were restored to a fully operational state.