Retrospective: Edge Observer Performance Issues

Informational
17 December 2025, 20:14 UTC

Retrospective: Edge Observer Performance Issues

Status: closed
Date: 17 December 2025, 20:06 UTC
End: 17 December 2025, 20:14 UTC
Duration: 8 minutes
Affected Components:
Observability Edge Observer
Affected Groups:
All Public Users
Update

17 December 2025, 20:06 UTC

17 December 2025, 20:06 UTC

Fastly Engineers detected a performance impacting event affecting the Edge Observer service. Media shield customers would have experienced a loss of access to the media shield dashboard in the Observability UI from 13:41 UTC on the 16th of December 2025 to 20:04 UTC on the 17th of December 2025. 

All other data centers and services were unaffected.

The issue has been resolved and we are monitoring performance closely.

Resolved

17 December 2025, 20:14 UTC

17 December 2025, 20:14 UTC

This event has been resolved.

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Status Post, Created Date/Time: 2025-12-17 20:14:13 UTC 



Note: Our Customer Escalation Management team will update the start date and time of the initial "investigating" status post upon the resolution of this incident. This update is meant to provide our customers and their end users with a potential impact window. The date and time mentioned in the message above indicates when the status post was requested by our Acute Incident Response team.