Rafal Maj delivered OpenTelemetry gRPC metrics integration for the Snowflake-Labs/sansshell server, focusing on enhancing observability for server-side gRPC calls. He integrated OpenTelemetry’s gRPC stats handler and updated Go module dependencies to enable the collection and exposure of detailed metrics, including latency, throughput, and error rates. This work allows teams to monitor server performance, track SLAs, and proactively identify optimization opportunities. Rafal’s approach leveraged Go, gRPC, and observability best practices to provide actionable insights into server behavior. The depth of the integration supports ongoing performance monitoring and troubleshooting, laying a foundation for improved reliability and operational transparency in production environments.