# Dagster: Database maintenance failover

- Impact (vendor’s label): critical
- Status: resolved
- Started: 2023-09-18 12:46 UTC · Resolved: 2023-09-18 12:46 UTC · Duration: 0 min
- Updates: 1
- [Vendor status page: https://stspg.io/17rcdjp7j7tj](https://stspg.io/17rcdjp7j7tj)
- [Company: Dagster](https://rewindex.com/company/dagster.md)

## Summary

Dagster reported a critical incident starting 2023-09-18 12:46 UTC, with a computed duration of 0 min. The vendor described a 90-second disruption during cloud-provider database maintenance as a primary database failed over to a secondary; Dagster operations during that window would have failed. The incident was resolved, with all systems back to normal. _(machine-written, sol)_
## Timeline of updates

- **resolved** 2023-09-18 12:46 UTC: Database maintenance by our cloud provider caused a 90 second service disruption between 12:46:10 UTC and 12:47:40 UTC while a primary database failed over to a secondary. Dagster operations during this window would have failed. All systems have resumed normal operation.

## Rewindex changes for this incident

- 2023-09-18 12:46 UTC: [Critical incident: Database maintenance failover](https://rewindex.com/change/i29e84524ba1e75.md)


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Canonical: https://rewindex.com/company/dagster/incidents/kp6jt64zw4jq · Markdown: https://rewindex.com/company/dagster/incidents/kp6jt64zw4jq.md · JSON: https://rewindex.com/api/v1/companies/dagster/incidents/kp6jt64zw4jq · Generated 2026-10-18T09:59:55.959Z