Grain incident

Outages with upstream providers causing instability

Resolved after 22 hours 21 minutes, affecting Recording Processing and Grain Recorder, on October 20, 2025.

monitoring Oct 20, 2025, 06:03 PM UTC

The patches for running the recorder in a new region had some unexpected side effects causing some recorders to continue to fail. Further mitigations have been deployed and processing appears to be moving forward successfully.

Started
Oct 20, 2025, 01:09 PM UTC
Resolved
Oct 21, 2025, 11:30 AM UTC
Duration
22h 21m
Detected by Pingoru
Oct 20, 2025, 01:09 PM UTC

Affected components

Recording ProcessingGrain Recorder

Update timeline

  1. monitoring Oct 20, 2025, 01:09 PM UTC

    AWS has deployed mitigations but we are still observing some issues with upstream providers being able to launch instances. We are continuing to monitor the situation.

  2. monitoring Oct 20, 2025, 01:59 PM UTC

    We are continuing to monitor for any further issues.

  3. monitoring Oct 20, 2025, 02:55 PM UTC

    AWS continues to be have failures launching new instances which is preventing scheduled and ad-hoc recorders from booting up. The team is working on spinning up resources in a new region.

  4. monitoring Oct 20, 2025, 04:07 PM UTC

    We've deployed a patch to start scheduling the recording in a new AWS Region, we're seeing successful recording runs.

  5. monitoring Oct 20, 2025, 06:03 PM UTC

    The patches for running the recorder in a new region had some unexpected side effects causing some recorders to continue to fail. Further mitigations have been deployed and processing appears to be moving forward successfully.

  6. resolved Oct 21, 2025, 11:30 AM UTC

    This incident has been resolved.

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