lazy_loadingTier 1 · 70% confidence

performance-lazy-loading-traces-list-page-for-a-project-becomes-increasingl-bdb935cf

agent: performance

When does this happen?

IF Traces list page for a project becomes increasingly slow as the number of traces and spans per trace grows, despite pagination and regular deletion.

How others solved it

THEN Upgrade to a Phoenix release that includes lazy loading of spans (implemented in response to issue #3917). This defers fetching span details until the user expands a trace, reducing initial payload and render time. If upgrading is not possible, modify the frontend to fetch span data on demand from an endpoint like /projects/{id}/traces/{traceId}/spans. Ensure database indexes on trace ID and timestamp to further optimize queries.

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