Langfuse Status

Langfuse / History

History

Jan 2026-Apr 2026

April

20

Mon

[US] Elevated error rates across multiple APIs

The system returned to a stable state.

[EU] Elevated delays for Fast (Preview) on non-current SDK versions

We've caught up again and improved our alerting to detect issues like this more proactively going forward.

17

Fri

[EU] Elevated OTel Ingestion Delays

We identified the issue, added a patch and worked through the backlog. All events should be processed as usual again.

16

Thu

Elevated ingestion API latencies in US region

Ingestion API are back to normal

15

Wed

Delayed "fast preview"

The issue has been resolved and we're back to the usual processing times.

13

Mon

Ingestion delays in US

There should be no more ingestion delay.

08

Wed

Elevated latencies and timeouts across UI and API queries

Query performance recovered. System operational.

07

Tue

LLM as a Judge Delays on HIPAA

The processing has been stable for several hours now.

04

Sat

[US] Fast Mode Preview data delayed

We've completed the catch-up for experiment spans and resolved the problem.

March

30

Mon

Increased latencies on public APIs

Degraded database read replicas were re-created and now serving the public API path. Public API latency remains stable.

27

Fri

LLM-as-a-Judge Delays on HIPAA

The LLM-as-a-Judge delays on HIPPA data region have now been resolved. We will continue to monitor the situation.

25

Wed

Delayed OTEL ingestion

All data is processed in time now.

23

Mon

Ingestion queue delayed

We resolved the issue by scaling our infrastructure.

17

Tue

[US] Ingestion Delays

The backlog was processed and ingestion delays are below 30 seconds again.

16

Mon

[EU] Elevated Evaluation Execution Latencies

We've adjusted scaling in the system and currently see a delay of below 5min for LLM as a judge executions.

Ingeston queue delayed

This issue has been resolved.

12

Thu

[EU] Elevated latencies

The system returned to a fully stable state.

[EU] Elevated ingestion delays

The issue has been resolved.

Delayed ingestion

We've mitigated the impact and event processing delays are below 60 seconds and falling continuously.

Delayed eval executions

We scaled our systems and resolved the issue.

11

Wed

Delayed ingestion

We scaled our systems and are able to process data in time. Single projects may still be delayed.

Slow Traces API

We scaled our systems. APIs should respond fast again.

02

Mon

[EU] Elevated ingestion latencies

The backlog is being processed and we're below 60s processing delay.

February

25

Wed

We experience slow and failing APIs for the UI

We scaled our systems and queries should respond in time.

Delayed execution of LLM-as-a-judge

We are now processing all llm as a judge executions in time.

24

Tue

Degraded public API performance

We scaled our systems and resolved the issue.

19

Thu

[US] Elevated Ingestion Processing Times

The ingestion delay it back down and events are processed near real-time.

13

Fri

Delayed ingestion

All data is processed in time now.

04

Wed

[US] Elevated error rates on APIs affecting non-tracing API routes (a.o. prompts) and UI

The incident has been resolved by a patch. The underlying issue was an unbounded data query data kept fetching data and forced our containers to be out of memory killed.

03

Tue

Delays for LLM-as-a-Judge Evaluations

The issue has been resolved, and the LLM-as-a-Judge Evaluators are now executed again as expected.

January

28

Wed

[US] Event processing delays

We've caught up on all outstanding events and are processing newly received events within our usual timeframes.

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