Technologies/Langfuse/langfuse.api.error.rate
LangfuseLangfuseMetric

langfuse.api.error.rate

API error rate per second
Dimensions:None
Available on:CloudWatchCloudWatch (1)
Interface Metrics (1)
CloudWatchCloudWatch
Rate of API errors per second
Dimensions:None
Sources
langfuse.api.error.ratelangfuse.com

Technical Annotations (32)

Configuration Parameters (6)
container_versionrecommended: v3.x
V3 contains major performance improvements to address CPU spikes
viewrecommended: observations
Replace 'traces' view with 'observations' when migrating to v2
fetch_timeout_secondsrecommended: 20
Python SDK: timeout per API call in seconds
fetchTimeoutMsrecommended: 10000
JavaScript SDK: timeout per API call in milliseconds
max_retriesrecommended: 2
Python SDK: number of retry attempts for failed prompt fetches
maxRetriesrecommended: 2
JavaScript SDK: number of retry attempts for failed prompt fetches
Error Signatures (11)
401 Unauthorizedhttp status
API failureserror code
content policy violationserror code
parsing errorserror code
500http status
5xxhttp status
SyntaxError: Unexpected non-whitespace character after JSON at position 4 (line 1 column 5)exception
429http status
API errors occurred: Bad request. Please check your request for any missing or incorrect parameters.log pattern
Provide exactly one of the following: traceId (with optional observationId), sessionId or datasetRunIdlog pattern
400http status
Technical References (15)
blue-green deploymentconceptSlackcomponentwebhookprotocolCloudflare proxycomponentAWS Application Load BalancerscomponentWAFcomponentingestion endpointscomponentspan ingestionscomponentinternal networking stackcomponentfetchAndLogErrors()componentlangfuse-core/src/index.tsfile pathtiktokencomponentobservations viewcomponenttraces viewcomponentcreate_scorecomponent
Related Insights (14)
Authentication failures prevent Langfuse integration setupcritical
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Automated rollback prevents prompt deployment failures from impacting productioncritical
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Response latency degradation indicates prompt performance issueswarning
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Quality degradation detected through automated monitoring thresholdswarning
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High error rates or latency spikes indicate system degradationwarning
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Cloudflare proxy failure causes complete API and UI unavailabilitycritical
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Ingestion failures cause permanent trace data losscritical
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Internal networking delays cause span ingestion timeouts and cascading failurescritical
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HTTP 429 rate limit responses cause JSON parsing error in SDKwarning
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CPU spikes cause Langfuse container crashes and API unavailabilitycritical
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Traces view removed in v2 Metrics API breaks existing querieswarning
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Prompt fetch operations timeout before completionwarning
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Prompt fetch operations fail after exhausting retrieswarning
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Score creation fails with multiple identifier parameterswarning
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