SignalFx US1 incident

Delayed notifications on us1

Resolved after 3 hours 45 minutes, affecting Alerting, on August 1, 2026.

resolved Aug 01, 2026, 06:21 PM UTC

The notification delivery delays have been fully resolved. All queued notifications have been processed and the system is now operating normally.

Started
Aug 01, 2026, 02:35 PM UTC
Resolved
Aug 01, 2026, 06:21 PM UTC
Duration
3h 45m
Detected by Pingoru
Aug 01, 2026, 02:35 PM UTC

Affected components

Alerting

Update timeline

  1. investigating Aug 01, 2026, 02:35 PM UTC

    Problems with processing alerts which are leading to delayed notifications. We are currently investigating the issue.

  2. investigating Aug 01, 2026, 03:33 PM UTC

    We are currently investigating elevated notification latency. Customers may experience delays in receiving alert notifications. We are actively working to resolve this issue and will provide updates as we make progress. We appreciate your patience.

  3. identified Aug 01, 2026, 03:55 PM UTC

    We have identified and are actively resolving the issue causing delayed alert notifications. The fix has been implemented and is already showing significant improvement in notification delivery times. While some notifications that were queued before our fix may still experience minor delays as the system catches up, new notifications are being delivered normally. We appreciate your patience and will continue monitoring the situation closely.

  4. identified Aug 01, 2026, 05:09 PM UTC

    We are actively working on resolving the issue. Customers may continue to experience delays in notification delivery. This includes newly generated notifications, which are being processed behind earlier events in the queue. Team is actively investigating the root cause and working to clear the backlog of in-queue notifications. As a temporary mitigation measure, we have disabled image previews in notifications to improve processing speed. Notifications will be text-only for now. We appreciate your patience and will provide further updates as progress is made.

  5. monitoring Aug 01, 2026, 05:31 PM UTC

    We have implemented a fix to address the notification delays. Our monitoring shows significant improvement in notification delivery times, and we are closely tracking performance to ensure the issue is fully resolved. Thank you for your patience as we work to restore full service.

  6. resolved Aug 01, 2026, 06:21 PM UTC

    The notification delivery delays have been fully resolved. All queued notifications have been processed and the system is now operating normally.

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