Upgrading to SigNoz 0.57.0 broke log-based value widgets (report 0)
Root cause: stale metadata in ClickHouse. If your team ever switched from log attributes to resource attributes (e.g. for service.name), the old tag keys stay in distributed_logs_attribute_keys / distributed_tag_attributes, and the old widgets keep querying attributes_string while new widgets resolve to resource…
Problem outcome: unknown