Outage in Langfuse
UI loads slowly and returns errors
Resolved Minor
May 21, 2026 - Started 12 days ago
- Lasted about 4 hours
Incident Report
We currently observe a very high load on our ClickHouse cluster and thus have high latencies across our UI. We currently scale our database to recover.
The "fast preview" is not impacted by this: https://langfuse.com/docs/v4
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Latest Updates ( sorted recent to last )
MONITORING
12 days ago - at 05/21/2026 10:37AM
We're observing an improvement across all features, but continue to monitor the situation.
INVESTIGATING
12 days ago - at 05/21/2026 07:57AM
We currently observe a very high load on our ClickHouse cluster and thus have high latencies across our UI. We currently scale our database to recover.
The "fast preview" is not impacted by this: https://langfuse.com/docs/v4
Latest Langfuse outages
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LLM as a Judge execution is delayed - 6 days ago
Delayed LLM as a judge execution - 7 days ago
Errors and latencies on ingestion APIs - 25 days ago
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