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Incident detail

Some customers in AWS us-east-1 experienced a small number of gRPC UNIMPLEMENTED errors

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Timeline

Incident updates

Every update Temporal Cloud posted, oldest to newest, exactly as it appeared on their official status page.

  1. Identified

    Some customers in AWS us-east-1 experienced a small number of gRPC UNIMPLEMENTED errors today from 19:40 to 20:05 UTC.

    We have identified a root cause and are currently working towards a permanent fix.

  2. Monitoring

    The gRPC UNIMPLEMENTED errors previously observed have been mitigated.

    We are continuing to monitor the situation and are working towards a permanent fix at this time.

  3. Monitoring

    Service has remained stable and we are continuing to monitor the situation.

    We will continue to provide updates as they become available.

  4. Monitoring

    We have confirmed the service is now stable and are now working to ensure a permanent fix is in place to prevent any recurrence.

    We will continue to monitor for errors until the fix is deployed.

  5. Monitoring

    The service remains stable. We are continuing to monitor closely while work progresses on a permanent fix to prevent recurrence.

  6. Monitoring

    The service continues to operate normally. We will provide additional updates as they become available.

  7. Resolved

    The service has remained stable since the initial behavior was observed 5/28 19:40 to 20:05 UTC.

    A permanent fix for the region is now in-progress.

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