Cockroach Labs incident
Cluster connectivity and execution issues
Cockroach Labs experienced a major incident on August 4, 2026 affecting CockroachDB Basic/Standard, lasting 20h 3m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Aug 04, 2026, 11:46 PM UTC
We are investigating an issue affecting a subset of Free Tier clusters in eu-west-1, where some clusters may be unable to connect or execute queries. Teams have been notified and are actively working on mitigation.
- investigating Aug 04, 2026, 11:47 PM UTC
We are investigating an issue affecting a subset of Basic clusters in eu-west1, where some clusters may be unable to connect or execute queries. Teams have been notified and are actively working on mitigation.
- investigating Aug 04, 2026, 11:52 PM UTC
We are investigating an issue affecting a subset of Basic and Standard clusters in eu-west1, where some clusters may be unable to connect or execute queries. Teams have been notified and are actively working on mitigation.
- monitoring Aug 05, 2026, 03:55 AM UTC
Teams have mitigated the immediate active impact, but work continues to ensure the problem does not recur and to fully understand the root cause. For now we will continue to monitor the situation. If you continue to experience impacts, please reach out to Support.
- resolved Aug 05, 2026, 07:50 PM UTC
Following an extended period of monitoring, the team has confirmed that the cluster remains healthy and stable.