Standard gRPC Headers
Reference guide for standard gRPC headers sent by Airport including airport-user-agent, authority, and session tracking headers.
The Airport extension sends a standard set of gRPC headers with every request to Arrow Flight servers. These headers provide important context for request routing, authentication, and session tracking.
Standard Headers
| Header Name | Example Value | Description |
|---|---|---|
airport-user-agent |
airport/20240820 |
User agent identifier including version information. The format is free-form and may be used for protocol compatibility checks. |
authority |
grpc+tls://airport.example.com |
The requested server location. Useful for load balancers and service mesh routing. |
airport-client-session-id |
658A6D08-D1DF-43D7-AC71-9CD15738963F |
A unique UUID generated for each DuckDB session, enabling session tracking and correlation. |