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Guides

How do we get more value from Langfuse?

  1. Langfuse Tracing & Evaluation Playbook

    Instrument on the v4 SDKs or OpenTelemetry, keep sensitive data out of traces, turn production failures into datasets, and gate changes on experiments in CI.

    IncludesInstrumentation, dataset, and evaluator checklist, plus the CI gate to agree

    1. Before workInstrument on v4 and mask
    2. During workTrace, score, and collect
    3. Before mergeRun the experiment gate
    • Testing
    • Developer Workflow

  2. Self-Hosting Langfuse: Sizing, Licensing & the v4 Upgrade

    Size ClickHouse and its companion services, decide which Enterprise features you need, and plan the v3 to v4 upgrade before v3 security patches end in January 2027.

    IncludesSizing and ownership checklist, plus the upgrade plan

    • Security
    • Engineering Management

  3. Langfuse Cloud Units, Spend & Retention Checklist

    Count units the way Langfuse bills them, keep unrelated spans out, choose the plan by data access window, and set spend alerts before traffic grows.

    IncludesUnit and spend worksheet

    • AI Costs
    • Engineering Management

  4. Langfuse Data Handling & Security Checklist

    Pick the region, mask before data leaves the app, set retention and access, and know what a regional outage would cost you.

    IncludesSecurity review checklist

    • Security
    • Governance

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