flight-sql
DB API 2 interface for Flight SQL with SQLAlchemy extras.
Unified observability for logs, metrics and traces — low overhead instrumentation (Rust, Unreal Engine 5), OTLP ingestion, SQL analytics on DataFusion over Parquet, presentation through notebooks, Grafana and Python. Self-hosted.
LiteLLM proxy logging callback that streams request telemetry to DuckLake tables over Arrow Flight SQL