Outage in Langfuse
Degraded ingestion for 20 projects
Resolved Minor
September 30, 2026 - Started 6 days ago
- Lasted about 6 hours
Incident Report
Summary AI Generated
**Langfuse experienced degraded data ingestion for approximately 20 projects** over 6.4 hours due to S3 backpressure causing "please slow down" errors, affecting all projects with a "cm\*" prefix. The issue was identified and traced to an offending workload generating excessive S3 load. The workload was isolated, restoring normal ingestion performance for the affected projects.
S3 backpressure leads to S3 "please slow down" errors across projects with cm* prefix
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Latest Updates ( sorted recent to last )
MONITORING
6 days ago - at 09/30/2026 09:43AM
Offending workload was isolated, performance should be back to normal for other projects
IDENTIFIED
6 days ago - at 09/30/2026 09:10AM
S3 backpressure leads to S3 "please slow down" errors across projects with cm* prefix
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