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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

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