Langfuse incident

Degraded data serving in EU

Resolved after 25 minutes, affecting EU (cloud.langfuse.com) (UI) and EU (cloud.langfuse.com) (Public API) and 1 more, on October 20, 2026.

resolved Oct 20, 2026, 04:20 PM UTC

Have been stable

Started: Oct 20, 2026, 03:54 PM UTC
Resolved: Oct 20, 2026, 04:20 PM UTC
Duration: 25m
Detected by Pingoru: Oct 20, 2026, 03:54 PM UTC

Affected components

EU (cloud.langfuse.com) (UI)EU (cloud.langfuse.com) (Public API)EU (cloud.langfuse.com) (LLM-as-a-judge)US (us.cloud.langfuse.com) (UI)US (us.cloud.langfuse.com) (Public API)US (us.cloud.langfuse.com) (LLM-as-a-judge)HIPAA (hipaa.cloud.langfuse.com) (UI)HIPAA (hipaa.cloud.langfuse.com) (Public API)HIPAA (hipaa.cloud.langfuse.com) (LLM-as-a-judge)JP (jp.cloud.langfuse.com (UI)

Update timeline

identified Oct 20, 2026, 03:54 PM UTC

Degraded data serving in EU due to unhealthy clickhouse replica. Draining traffic.
identified Oct 20, 2026, 03:54 PM UTC

Degraded data serving in EU due to unhealthy clickhouse replica. Draining traffic.
monitoring Oct 20, 2026, 04:01 PM UTC

We should have recovered
monitoring Oct 20, 2026, 04:01 PM UTC

We should have recovered
resolved Oct 20, 2026, 04:20 PM UTC

Have been stable
resolved Oct 20, 2026, 04:20 PM UTC

Have been stable
resolved Oct 20, 2026, 06:56 PM UTC

Have been stable

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