Outage in Langfuse
Longer v3 -> v4 propagation delay
Resolved Minor
August 19, 2026 - Started 8 days ago
- Lasted about 3 hours
Incident Report
Summary AI Generated
Langfuse experienced a propagation delay between v3 and v4 over approximately 2.6 hours, caused by database infrastructure struggling to meet throughput demand. The issue was resolved by scaling the database infrastructure to handle the required load. Users on the latest major SDK versions were not affected, and upgrade documentation was made available for those on older versions.
We have scaled our database infrastructure to match the throughput demand
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Latest Updates ( sorted recent to last )
MONITORING
8 days ago - at 08/19/2026 01:19PM
Latest major SDK versions are not impacted. Find upgrade docs here: https://langfuse.com/docs/observability/sdk/upgrade-path.
MONITORING
8 days ago - at 08/19/2026 10:30AM
We have scaled our database infrastructure to match the throughput demand
Latest Langfuse outages
Performance degradation on ingestion path - 2 days ago
Latency degradation on legacy ingestion queue - 2 days ago
Evaluations are delayed in EU - 7 days ago
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