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Temporal Cloud: Customers in us-east-2 may experience some visibility related errors

Impact: majorStatus: resolvedStarted Resolved (4.3 h)7 updatesSource: stspg.io (opens in new tab)
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 archived incident (Sol). Check the timeline before relying on it.

Affected components: Amazon Web Services (AWS) - us-east-2us-east-2

Timeline of updates

  1. investigating

    Customers with namespaces in us-east-2 may experience errors with visibility queries. We are currently investigating.

  2. identified

    We are working on a fix, if your namespace are MRN enabled please fail over to your passive regions for faster recovery.

  3. identified

    All MRN-enabled namespaces have been failed over as of 17:53 UTC. Mitigation continues to progress.

  4. identified

    Mitigation is still in progress. We are scaling up service to help with mitigation efforts.

  5. monitoring

    Mitigation is in effect, we are seeing some recovery. Please submit a support ticket if you are seeing service degradation.

  6. monitoring

    We are seeing full recovery on our end, we are continuing to monitor.

  7. resolved

    All MRN-enabled namespaces failed over by Temporal have been failed back. This incident has been fully mitigated and is now resolved.

Rewindex changes for this incident

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). Temporal Cloud profile · Recent Temporal Cloud incidents · Markdown · JSON