Changes / Temporal Cloud / Customers in us-east-2 may experience some visibility related errors
Temporal Cloud: Major incident: Customers in us-east-2 may experience some visibility related errors
Summary
Temporal Cloud reported a major incident causing visibility query errors for namespaces in us-east-2, starting 2026-07-15 16:55 UTC and resolving 2026-07-15 21:15 UTC (4 h 19 min). Temporal scaled up service for mitigation and advised MRN-enabled customers to fail over to passive regions. All namespaces failed over by Temporal were failed back before resolution.
Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.
What changed
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After: Customers in us-east-2 may experience some visibility related errors
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After: major
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After: resolved
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After: 2026-07-15 16:55 UTC
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After: 2026-07-15 21:15 UTC
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After: Amazon Web Services (AWS) - us-east-2, us-east-2
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After: Customers with namespaces in us-east-2 may experience errors with visibility queries. We are currently investigating.
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After: We are working on a fix, if your namespace are MRN enabled please fail over to your passive regions for faster recovery.
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After: All MRN-enabled namespaces have been failed over as of 17:53 UTC. Mitigation continues to progress.
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After: Mitigation is still in progress. We are scaling up service to help with mitigation efforts.
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After: Mitigation is in effect, we are seeing some recovery. Please submit a support ticket if you are seeing service degradation.
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After: We are seeing full recovery on our end, we are continuing to monitor.
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After: All MRN-enabled namespaces failed over by Temporal have been failed back. This incident has been fully mitigated and is now resolved.
First version of this incident archived by Rewindex. View the live incident.
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: Customers in us-east-2 may experience some visibility related errors (this change) Temporal Cloud reported a major incident causing visibility query errors for namespaces in us-east-2, starting 2026-07-15 16:55 UTC and resolving 2026-07-15 21:15 UTC (4 h 19 min). Temporal scaled up service for mitigation and advised MRN-enabled customers to fail over to passive regions. All namespaces failed over by Temporal were failed back before resolution. | Major incident |
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