# Langfuse incident history

- **Langfuse**: [Slow trace data retirival across API and UI in EU](https://down.guide/langfuse/DWN-da998e0dd5) (Degraded; lasted 59m; started 2026-10-21 07:46 UTC; eu)
- **Langfuse**: [Degraded performance in Halo (Langfuse Assistant)](https://down.guide/langfuse/DWN-b10ef7cac9) (Degraded; lasted 48m; started 2026-10-20 17:03 UTC)
- **Langfuse**: [Degraded data serving in EU](https://down.guide/langfuse/DWN-42fa54d784) (Degraded; lasted 26m; started 2026-10-20 15:54 UTC; eu)
- **Langfuse**: [Degraded public API performance](https://down.guide/langfuse/DWN-7e03d66465) (Degraded; lasted 45m; started 2026-10-19 10:01 UTC; us)
- **Langfuse**: [Degraded ingestion for 20 projects](https://down.guide/langfuse/DWN-84ce125689) (Partial outage; lasted 6h 20m; started 2026-09-30 09:10 UTC)
- **Langfuse**: [Elevated error rates in In App Agent](https://down.guide/langfuse/DWN-6d87874855) (Degraded; lasted 7m; started 2026-09-23 13:36 UTC)
- **Langfuse**: [OTEL ingestion queue delay over 10 minutes in US](https://down.guide/langfuse/DWN-7ee72a8a1a) (Degraded; lasted 1h 12m; started 2026-09-16 20:20 UTC; us)
- **Langfuse**: [Delayed Ingestion for non v4 SDKs](https://down.guide/langfuse/DWN-16d4a3bd66) (Degraded; lasted 3h 19m; started 2026-09-14 02:51 UTC)
- **Langfuse**: [OTEL Ingestion Delay exceeds 10 minutes](https://down.guide/langfuse/DWN-f6a761aa65) (Degraded; lasted 1h 35m; started 2026-09-08 17:26 UTC)
- **Langfuse**: [Degraded OTEL ingestion in US region](https://down.guide/langfuse/DWN-75414c57cb) (Degraded; lasted 54m; started 2026-09-02 16:02 UTC; us)
- **Langfuse**: [Performance degradation on ingestion path](https://down.guide/langfuse/DWN-bc92b9c19a) (Degraded; lasted 1h 5m; started 2026-08-25 15:23 UTC)
- **Langfuse**: [Latency degradation on legacy ingestion queue](https://down.guide/langfuse/DWN-06e0d61d4d) (Degraded; lasted 3h 26m; started 2026-08-25 10:16 UTC)
- **Langfuse**: [Evaluations are delayed in EU](https://down.guide/langfuse/DWN-8c2a6a3754) (Degraded; lasted 1h 49m; started 2026-08-20 08:06 UTC; eu)
- **Langfuse**: [Longer v3 -\> v4 propagation delay](https://down.guide/langfuse/DWN-f4a377bef3) (Degraded; lasted 2h 34m; started 2026-08-19 12:36 UTC)
- **Langfuse**: [Degraded LLMaJ execution in EU](https://down.guide/langfuse/DWN-5b3488e801) (Degraded; lasted 1h 19m; started 2026-08-18 12:06 UTC; eu)
- **Langfuse**: [prod-us: Delayed ingestion for prod-us](https://down.guide/langfuse/DWN-88d6b96e66) (Degraded; lasted 36m; started 2026-08-15 17:28 UTC; us)
- **Langfuse**: [Latency increase eval execution up to 40 minutes is resolved](https://down.guide/langfuse/DWN-53069e6bdf) (Degraded; lasted 1h 41m; started 2026-08-12 11:56 UTC)
- **Langfuse**: [\[US\] Ingestion Delays](https://down.guide/langfuse/DWN-615ce9ceb9) (Degraded; lasted 38m; started 2026-08-03 18:25 UTC; us)
- **Langfuse**: [502 BAD Gateway errors on UI](https://down.guide/langfuse/DWN-80616bec22) (Degraded; lasted 1h 7m; started 2026-07-14 19:12 UTC)
- **Langfuse**: [\[EU\] Elevated latencies and error rates](https://down.guide/langfuse/DWN-63ef895fdf) (Degraded; lasted 21m; started 2026-07-02 07:43 UTC; eu)
- **Langfuse**: [\[EU\] Elevated ingestion times](https://down.guide/langfuse/DWN-a4460efcd4) (Degraded; lasted 19m; started 2026-06-26 09:32 UTC; eu)
- **Langfuse**: [Elevated API and tracing latency in the US region](https://down.guide/langfuse/DWN-c7118b40b6) (Degraded; lasted 37m; started 2026-06-16 17:36 UTC; us)
- **Langfuse**: [Ingestion delay](https://down.guide/langfuse/DWN-9d6d009eb2) (Degraded; lasted 29m; started 2026-06-10 14:47 UTC)
- **Langfuse**: [Database upgrdae](https://down.guide/langfuse/DWN-64951ed91a) (Degraded; lasted 0m; started 2026-06-08 20:55 UTC)
- **Langfuse**: [Our media API returns 500 errors](https://down.guide/langfuse/DWN-6063314910) (Partial outage; lasted 57m; started 2026-06-08 18:57 UTC)

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