CircleCI outage, 6 October 2026
Delays in pipelines, workflows, UI data, and notifications
- Started
- Resolved
- 6 Oct 2026, 21:18 UTC (after 5 h 18 min)
- Impact
- Major
- Affected
- Pipelines & Workflows, Notifications & Status Updates
Last update from CircleCI
## Summary On October 6, 2026, from 15:30 to 20:30 UTC, CircleCI customers experienced delays creating pipelines and starting workflows and jobs. From 15:48 to 16:38 UTC, no workflows or jobs started, and pipelines triggered from 16:02 UTC failed. Shorter, intermittent delays began earlier, at 13:30 UTC. Data in the CircleCI UI, notifications, and commit status updates to version control providers were also delayed. The incident started in the database behind our workflow orchestration service, which coordinates every pipeline, workflow and job on CircleCI. Routine maintenance on the database's largest tables wrote transaction logs faster than the database could archive them, and the logs...
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