# Sentry: Delayed ingestion of errors in EU

- Impact (vendor’s label): critical
- Status: resolved
- Started: 2026-09-18 08:36 UTC · Resolved: 2026-09-18 11:57 UTC · Duration: 3.3 h
- Updates: 8 · Affected components: EU Ingestion - EU Error Ingestion, EU Ingestion - EU Span Ingestion, Dashboard, Alerting - EU Errors Alerting, EU Ingestion - EU Attachment Ingestion
- [Vendor status page: https://stspg.io/518318wxv2f8](https://stspg.io/518318wxv2f8)
- [Company: Sentry](https://rewindex.com/company/sentry.md)

## Summary

Sentry reported critical EU ingestion delays affecting new errors, with EU alerting, Dashboard, and attachment, error and span ingestion listed as affected. The incident ran from 2026-09-18 08:36 UTC to 2026-09-18 11:57 UTC (3 h 20 min). Sentry identified an upstream-provider networking issue, implemented mitigation, and restored real-time processing for all data types. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2026-09-18 08:36 UTC: We are currently investigating an issue that causes new errors to be delayed in the EU region.
- **investigating** 2026-09-18 09:00 UTC: We have implemented a mitigation and are starting to recover.
- **investigating** 2026-09-18 09:53 UTC: We are processing real-time data again and are working on burning our backlog.
- **monitoring** 2026-09-18 09:54 UTC: We are processing real-time data again and are working on burning our backlog.
- **monitoring** 2026-09-18 10:56 UTC: We have identified a networking issue with an upstream provider and are working on mitigations.
- **identified** 2026-09-18 10:58 UTC: We have identified a networking issue with an upstream provider and are working on mitigations.
- **identified** 2026-09-18 11:45 UTC: Error ingestion is fully operational. We are currently working on recovering real-time processing of spans.
- **resolved** 2026-09-18 11:57 UTC: We are processing real-time data for all data types again.

## Rewindex changes for this incident

- 2026-09-18 08:36 UTC: [Critical incident: Delayed ingestion of errors in EU](https://rewindex.com/change/i0a9c68379afb95.md)


---
Canonical: https://rewindex.com/company/sentry/incidents/bjysgyqq93gn · Markdown: https://rewindex.com/company/sentry/incidents/bjysgyqq93gn.md · JSON: https://rewindex.com/api/v1/companies/sentry/incidents/bjysgyqq93gn · Generated 2026-10-18T11:31:30.897Z