Sentry outage: Delayed ingestion of errors in EU

Affected components

• Alerting - EU Errors Alerting
• Dashboard
• EU Ingestion - EU Attachment Ingestion
• EU Ingestion - EU Error Ingestion
• EU Ingestion - EU Span Ingestion

1. resolvedSep 18, 2026, 11:57 UTC

   We are processing real-time data for all data types again.

2. identifiedSep 18, 2026, 11:45 UTC

   Error ingestion is fully operational. We are currently working on recovering real-time processing of spans.

3. identifiedSep 18, 2026, 10:58 UTC

   We have identified a networking issue with an upstream provider and are working on mitigations.

4. monitoringSep 18, 2026, 10:56 UTC

   We have identified a networking issue with an upstream provider and are working on mitigations.

5. monitoringSep 18, 2026, 09:54 UTC

   We are processing real-time data again and are working on burning our backlog.

6. investigatingSep 18, 2026, 09:53 UTC

   We are processing real-time data again and are working on burning our backlog.

7. investigatingSep 18, 2026, 09:00 UTC

   We have implemented a mitigation and are starting to recover.

8. investigatingSep 18, 2026, 08:36 UTC

   We are currently investigating an issue that causes new errors to be delayed in the EU region.

What APIStatus.watch saw

• Sep 18, 2026, 08:40 UTCoperational → partial outage
• Sep 18, 2026, 10:20 UTCpartial outage → degraded
• Sep 18, 2026, 12:00 UTCdegraded → operational

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• Cursor: Investigating service degradation — Grok BotMajor · Sep 18, 2026, 11:37 UTC
• Twilio: Voice Call Failures from a Subset of Twilio Phone Numbers to Hong KongMinor · Sep 12, 2026, 00:16 UTC
• Telnyx: SMS Delivery — Encoding Issues on Outbound Messages to T-MobileMinor · Sep 15, 2026, 21:57 UTC
• Notion: Some connected content results unavailable in Notion AIMinor · Sep 17, 2026, 14:07 UTC
• Notion: Notion Calendar sign-in redirects on webMinor · Sep 17, 2026, 15:25 UTC
• Snyk: Snyk Daily Recurring Tests DelayedMinor · Sep 18, 2026, 06:40 UTC

How often does Sentry have incidents?

Sentry reported 25 incidents in the last 90 days, 15 of them major or critical. A typical incident lasted 3h. See Sentry's uptime and incident history