Retrospective: Impacted Performance for Historical Stats

Informational
16 October 2025, 21:15 UTC

Retrospective: Impacted Performance for Historical Stats

Status: closed
Date: 15 October 2025, 18:30 UTC
End: 16 October 2025, 21:15 UTC
Duration: 1 day 2 hours 45 minutes
Affected Components:
Observability Historical Stats
Affected Groups:
All Public Users
Monitoring

15 October 2025, 18:30 UTC

15 October 2025, 18:30 UTC

Our engineers detected an issue which affected our Historical Stats API. Between 18:30 UTC on October 15, 2025, and 21:15 UTC on October 16, 2025, an issue with our Historical Stats API may have resulted in customers receiving partial or incomplete data. This only affected requests for data within the range of October 1, 2025, to October 7, 2025. This incident did not impact Origin Metrics, Domain Metrics, or the Real Time Analytics API.

Our teams have implemented a fix for the event and this incident is resolved.

All other Fastly services were unaffected by this event.

Resolved

16 October 2025, 21:15 UTC

16 October 2025, 21:15 UTC

This event has been resolved.

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Status Post, Created Date/Time: 2025-10-17 15:24:03 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.