Current answer
Langfuse experienced a partial incident: Degraded ingestion for 20 projects. The provider currently marks this incident Monitoring.
The notice publication date does not establish the outage start.
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Provider notice timeline
Affected Components
Ingestion API
Incident Timeline
Monitoring
Offending workload was isolated, performance should be back to normal for other projects
Sep 30, 2026 at 9:43 AM UTC
Identified
S3 backpressure leads to S3 "please slow down" errors across projects with cm* prefix
Sep 30, 2026 at 9:10 AM UTC
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