database · inferred from evidence
ClickHouse
A column-oriented DBMS used for storing and querying log metadata in this context.
- UI errors loading traces after Langfuse upgrade: corrupted ClickHouse parts
After upgrading the self-hosted Langfuse docker image, the UI throws internal errors loading traces and traces are unreachable: logs show ClickHouse `Stream String.size for column project_id/trace_id with type String is not found` and `Ther
- Upgrading to SigNoz 0.57.0 broke log-based value widgets (report 0)
After upgrading SigNoz from 0.56.0 to 0.57.0, existing log-based value widgets on dashboards report 0, while recreating the identical widget shows correct numbers. Removing all where conditions makes the old widget work; re-adding them fixe